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MarketingSEOSan FranciscoTechnical SEO
San Francisco / Technical SEO

Technical SEO Agencies Serving San Francisco (2026)

116 agencies are ranked on documented technical SEO work: 4 based in or serving San Francisco and 112 from other cities, marked as such; 13 confirmed by an independent source; payment does not affect the order.

Data as of November 3, 2026 · Evidence-weighted ranking 2026.11.7 · How this ranking works ↓

Vendar ranks 116 SEO agencies for technical SEO in San Francisco, 4 of them local: the ones with documented technical SEO work on file, verified through September 2026. The top three by evidence-weighted score are LinkGraph (68/100), Walker Sands (67) and Red Houston SEO Company (65). No paid placements; every position below cites its sources. 16 San Francisco SEO agencies have no technical SEO claim on file and are listed unranked.

The answer in three lines

Compare top 3
  1. 1LinkGraph 68 · From $5,000/month · clients 4.5/5 (22)6 technical SEO claims on file: 1 third-party, 3 first-party, 2 profile signals; outside claims from 2 distinct sites
  2. 2Walker Sands 67 · From $10,000/month · clients 4.8/5 (6)4 technical SEO claims on file: 2 third-party, 2 first-party, 0 profile signals; outside claims from 2 distinct sites
  3. 3Red Houston SEO Company 65 · Projects from $1,000 · clients 5.0/5 (94)2 technical SEO claims on file: 2 third-party, 0 first-party, 0 profile signals; outside claims from 2 distinct sites

Budget in San Francisco: disclosed monthly floors run from $399 to $20,000, median $3,000; 72 of 116 disclose a price.

116 ranked agencies

BudgetSort
ForPays
1
LinkGraph logo

LinkGraph

New York, NY, USA · team 10-49 · since 2018

national coverage · From $5,000/month · clients 4.5/5 (22) Agency's own published cases

LinkGraph is an SEO and digital marketing agency founded in 2018 that offers technical SEO, GEO, AEO, and link building. (Independent source, sellseo.ai)

Last verified April 2026; details may have changed since.

68/100
High confidence
Verified · Sources checked Apr 2026
View profile
2
Walker Sands logo

Walker Sands

Chicago, IL, USA · team 10-49 · since 2001

national coverage · From $10,000/month · clients 4.8/5 (6) 2 documented

…Crawling and JavaScript rendering analysis, with Lighthouse and page-speed checks, traced the drop to PWA configuration, user-agent redirects, oversized… (Independent source, sitebulb.com)

Last verified June 2026; details may have changed since.

67/100
High confidence
Verified · Sources checked Jun 2026
View profile
3RH

Red Houston SEO Company

Houston, TX, USA · team 10+ · since 2016

national coverage · Projects from $1,000 · clients 5.0/5 (94) 2 documented

…engines including content strategy, link building, and technical SEO. (Independent source, connectamericas.com)

Profile below decision-ready status: Profile status is ready_for_render_audit.

65/100
Moderate confidence
Not verified · Sources checked Sep 2026
View profile
4
HawkSEM logo

HawkSEM

Los Angeles, CA, USA · team 10-49 · since 2006

national coverage · From $1,515/month · clients 4.9/5 (47) Agency's own published cases

HawkSEM documented an SEO recovery for DesktopReady after a new website launch caused a traffic slump, with a technical SEO audit, content work, and… (Agency's own words, hawksem.com)

No independent source names technical SEO work; the evidence is first-party or editorial.

63/100
Moderate confidence
Verified · Sources checked Apr 2026
View profile
5
Perfect Search Media logo

Perfect Search Media

Chicago, IL, USA · team 10-49 · since 2010

national coverage · From $5,000/month · clients 2.7/5 (3) 1 documented

…metadata optimization, and assistance during a site migration, resulting in a 39.2% increase in YOY organic transactions, a 42.7% increase in… (Independent source, findbestfirms.com)

Last verified June 2026; details may have changed since.

62/100
High confidence
Verified · Sources checked Jun 2026
View profile
6
Coalition Technologies logo

Coalition Technologies

Los Angeles, CA, USA · team 250+ · since 2009

national coverage · From $1,800/month · clients 4.7/5 (281) Agency's own published cases

Asphalt Kingdom: …ranking losses, crawl issues, duplicate pages, and missed internal linking opportunities", alongside AI SEO work. It reports AI search sessions up 766.9% year over year and users arriving from AI platforms up 604%… (Agency's own words, coalitiontechnologies.com)

No independent source names technical SEO work; the evidence is first-party or editorial.

62/100
Moderate confidence
Verified · Sources checked Sep 2026
View profile
7
BizIQ logo

BizIQ

Phoenix, AZ, USA · team 50-249 · since 2012

national coverage · $100 - $149/hour · clients 4.6/5 (1028) Agency's own published cases

BizIQ helped Zenned Out Jewelry reclaim rankings and increase web traffic by over 385% after a site migration, bringing online sales to an all-time high. (Agency's own words, biziq.com)

No independent source names technical SEO work; the evidence is first-party or editorial.

57/100
Moderate confidence
Not verified · Sources checked Sep 2026
View profile
8
Netrocket logo

Netrocket

Miami, FL, USA · team 10-49

national coverage · From $500/month · clients 3.0/5 (2) 1 documented

…content strategy development, website restructuring, and internal linking. (Independent source, othlist.com)

56/100
High confidence
Verified · Sources checked Sep 2026
View profile
9A

AdsRole

Houston, TX, USA · team 501-1000 · since 2017

national coverage · From $399/month · clients 4.0/5 (189) Agency's own published cases

…enhanced product and category content, and strategic internal linking. (Agency's own words, adsrole.com)

No independent source names technical SEO work; the evidence is first-party or editorial.

56/100
Moderate confidence
Not verified
View profile
10
Orbit Media logo

Orbit Media

Chicago, IL, USA · team 10-49 · since 2001

national coverage · From $4,500/month · clients 4.9/5 (48) Agency's own published cases

Orbit Media's own case study for the Greater Chicago Food Depository describes sitewide Core Web Vitals work, reducing load time and PDF weight, and reports a 15% increase in requests to find food within six months… (Agency's own words, orbitmedia.com)

No independent source names technical SEO work; the evidence is first-party or editorial.

55/100
Moderate confidence
Not verified · Sources checked Jun 2026
View profile
337 more agencies considered without externally confirmed technical SEO work, 16 of them serving San Francisco

This is an absence of evidence, not a quality rating.

One sourced claim moves an agency into the ranking.

No technical SEO claim on file yet. (325)

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  • Wise Advertisementprice n/a
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  • X Miami SEO Companyprice n/a
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Sources on file say the vendor offers technical SEO; no case study or client review documents the work yet. (5)

  • AmsiveFrom $8,000/month
  • JH SEO AgencyFrom $2,500/month
  • SEO Design ChicagoFrom $1,000/month
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Only Vendar profile tags name technical SEO; no outside source on file yet. (7)

  • AumcoreFrom $6,000/month
  • AvexFrom $6,000/month
  • Big DropFrom $5,000/month
  • Loud InteractiveFrom $4,500/month
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Frequently asked questions (6)
How many San Francisco SEO agencies have documented technical SEO work?
4 of the 20 SEO agencies Vendar tracks in San Francisco have at least one technical SEO claim on file under the published rubric, and 112 more from other cities join the ranking with documented technical SEO work; 13 of the 116 ranked have an outside source naming it, and 13 have one that describes the work rather than listing the service. The other 16 San Francisco agencies are listed unranked until evidence is added.
Which San Francisco technical SEO agency fits my type of business?
By the clients named in their documented technical SEO work: Law firms: Directive (#16) and WEBRIS (#60); Dental, medical and wellness: Marcel Digital (#12), TopSpot Internet Marketing (#26), SEOLEVELUP (#48) and Search Engine Projects (#50); Multi-location businesses: Social Cali (#100) and NIXAR Solutions (#109); Home and trade services: Netrocket (#8), ITVibes (#15), Netrocket (#61) and DMD Digital SEO Marketing Agency (#67); Shops, restaurants and retail: Red Houston SEO Company (#3), CadenceSEO (#11), Straight North (#17) and LAv1 (#58). This comes from client reviews and case studies on file, not from the agencies' own positioning; the number after each name is its place in the ranking.
What does technical SEO cost in San Francisco?
Among the ranked agencies that disclose a monthly floor, retainers start at $399/month and the median floor is $3,000/month. 72 of 116 ranked agencies disclose some pricing signal.
Which of them are verified?
42 of 116 ranked agencies are verified. Verified means Vendar confirmed the company, its service and its market on official sources and stamped the profile with the date. A participation status or a partner relationship does not make a profile verified. The lowest disclosed floor among verified agencies is Netrocket at $500/month.
How is this list different from the San Francisco SEO page?
The San Francisco SEO page ranks every SEO agency serving the city. This page keeps only the agencies with technical SEO evidence on file, scores them on the technical SEO query with the published model, and cites the claims behind every position. The model, its weights and the rubric are on the How we rank page.
When was this list updated?
The newest profile verification among ranked agencies is September 27, 2026; the newest evidence claim was checked on November 3, 2026. Scores are recomputed from the profiles whenever a profile changes; the ranking model is version 2026.11.7.
Get my shortlistMachine-readable versionAll details ↓
All detailsThe full table, the rubric, the rules and the limits: the same data the machine feed serves for this ranking.Open ↓Close ↑
D1Full ranking table116 ranked · click a column to sort
#AgencyScoreEvid./30Fit/25Capab./15Reliab./10Transp./10Reput./5Cred./5Pen.Conf.ClaimsVerified
1LinkGraph6829.516.22.26103.11.30.96/1Apr 27, 2026
2Walker Sands673016.20.67.21021.30.944/2Jun 2, 2026
3Red Houston SEO Company65239.712.97.27.54.91.3-20.82/2Not verified
4HawkSEM6319.116.25.17.2104.11.30.87/0Apr 27, 2026
5Perfect Search Media6226.516.20.47.2100.81.30.923/1Jun 2, 2026
6Coalition Technologies6217.816.21.79.47.54.750.86/0Sep 13, 2026
7BizIQ57159.79.87.27.54.65-20.83/0Not verified
8Netrocket562614.81.13100.700.954/1Sep 13, 2026
9AdsRole56916.29.36.67.545-20.82/0Not verified
10Orbit Media5515.816.20.47.2104.11.30.84/0Not verified
11CadenceSEO551416.212.64.87.51.60-20.83/0Not verified
12Marcel Digital5415.516.20.87.2103.800.84/0Jun 2, 2026
13On The Map Marketing5314.314.80.67.2104.41.30.84/0Not verified
14Optimum75216.516.20.37.21001.30.84/0Sep 13, 2026
15ITVibes5214.69.79.57.27.550-20.85/0Not verified
16Directive521416.21.47.2100.52.50.83/0Sep 13, 2026
17Straight North5212.516.20.99.1103.300.83/0Sep 13, 2026
18Avidon Marketing Group511816.21.13102.400.92/1Sep 13, 2026
19NoGood511616.20.73102.42.50.862/1Sep 14, 2026
20Lounge Lizard5112.516.21.37.2103.500.83/0Jun 2, 2026
21SPINX Digital51816.20.57.2103.650.81/0Jun 2, 2026
22Veza Digital501613.32.35.41002.50.89/0Sep 14, 2026
23Digital Silk5015.516.21.63102.91.30.84/0Jun 2, 2026
24Icepop501316.22.33104.21.30.82/1Jun 2, 2026
25MeanPug501116.20.44.8103.73.80.82/0Sep 13, 2026
26TopSpot Internet Marketing501113.38.27.27.505-20.82/0Not verified
27Digital Authority Partners4913.516.20.37.21001.30.83/0Sep 13, 2026
28Melleka Marketing491216.23.33104.400.81/1Sep 12, 2026
29iPullRank491216.21.65.11003.80.83/0Not verified
30Solid Digital4911.616.20.97.2102.900.85/0Sep 14, 2026
31AlchemyLeads491113.38.86.67.53.70-20.82/0Sep 27, 2026
32Hennessey Digital4815.516.21.67.2502.50.84/0Sep 27, 2026
33Visible Factors4813.313.38.67.27.500-20.84/0Sep 27, 2026
34RSA Creative Studio481213.311.74.27.51.20-20.810/0Not verified
35SEO Image481214.80.97.2102.900.82/0Sep 13, 2026
36Hey Day Marketing481114.80.27.2104.900.82/0Not verified
37Hawke Media48816.21.13104.750.81/0Sep 27, 2026
38Karpi Studio4715.113.31.631003.80.85/0Jul 1, 2026
39Main Street ROI471214.80.87.2104.90-30.82/0Not verified
40Idea Marketing Group4711.814.80.67.21002.50.86/0Not verified
41Bliss Drive471114.847.2103.10-30.82/0Sep 27, 2026
42GO-SEO471114.86.87.21000-30.82/0Sep 12, 2026
43Storm Brain471112.80.37.27.54.43.80.82/0Jun 2, 2026
44Website Depot461114.817.27.54.300.82/0Sep 12, 2026
45Wpromote46816.20.73104.43.80.81/0Sep 14, 2026
46Sure Oak451116.21.23103.800.82/0Sep 14, 2026
47GR045816.22.73103.81.30.81/0Sep 13, 2026
48SEOLEVELUP45616.28.37.254.20-20.81/0Not verified
49WebDesk Solution4415.410.397.22.51.10-20.85/0Not verified
50Search Engine Projects4411.212.853102.100.84/0Apr 27, 2026
51SeedX4410.516.21.43103.300.83/0Not verified
52Signa Marketing44613.38.17.27.52.91.3-20.81/0Not verified
53AlgoWithYou431810.39.83.602.41.3-20.82/1Not verified
54B2BSEO.io4312.513.38.64.87.51.20-50.83/0Sep 27, 2026
55Loona Agency4312.514.80.43102.600.83/0Sep 13, 2026
56HVSEO421610.38.47.202.40-2n/a2/1Not verified
57Chatter Buzz421110.38.47.22.54.60-20.82/0Not verified
58LAv1421114.80.87.253.500.82/0Sep 12, 2026
59Flamingo Agency421012.87.9354.90-20.81/1Not verified
60WEBRIS42914.80.33104.700.81/0Sep 13, 2026
61Netrocket42816.28.2353.50-20.81/0Not verified
62Van West Media4110.514.80.6310200.83/0Jun 2, 2026
63Pilot Digital Marketing41613.38.17.253.80-20.81/0Not verified
64Striventa4169.79.27.27.53.40-20.81/0Not verified
65SEO Impact Pros39912.88.8352.40-20.82/0Not verified
66Blacksmith Agency39813.37.87.27.500-50.81/0Not verified
67DMD Digital SEO Marketing Agency39812.88.24.87.500-20.81/0Not verified
68Brenton Way3969.77.96.67.53.50-20.81/0Sep 27, 2026
69Avenue Z38816.20.6310000.81/0Sep 14, 2026
70Marqade INC37166.88.332.511.3-2n/a2/1Not verified
71Organic Marketing Pros371610.310.432.500-50.84/0Not verified
72Nummero3713.515.99.63000-50.83/0Not verified
73StudioHawk361710.310.82.4000-50.85/0Not verified
74Hozio3686.88.47.22.54.80-20.81/0Not verified
75VAB Media Digital Agency36810.37.87.203.51.3-20.81/0Not verified
76Nexus Marketing351410.312.23000-50.83/0Not verified
77Dallas SEO Company35612.89.47.2500-50.81/0Not verified
78IMPRiNT35612.80.53102.200.81/0Not verified
79Dallas SEO Agency34812.810.63500-50.81/0Not verified
80Seota Digital Marketing34610.387.204.20-20.81/0Not verified
81TurnKey Website Design34612.88.47.2500-50.81/0Not verified
82HQDM3386.88.25.42.54.40-20.81/0Not verified
83Mode Effect3369.787.27.500-50.81/0Not verified
84Newman Web Solutions33612.88.337.500-50.81/0Not verified
85DFW Website SEO32126.810.97.2000-50.82/0Not verified
86Webbify Studio3111.66.810.7301.20-20.85/0Not verified
87VICE SEO3110.56.88.75.401.60-20.83/0Not verified
88Colibri Digital Marketing31815.99.23000-50.81/0Not verified
89Los Angeles SEO Group3186.89.17.201.90-20.81/0Not verified
90The Chicago Marketing Agency31612.89.13500-50.81/0Not verified
91SiteRyze Digital Marketing3011.210.310.62.4000-50.84/0Not verified
92Jordan Digital Marketing30815.58.43000-50.81/0Not verified
93Autheysoft29126.811.73000-50.82/0Not verified
94Connect Media Agency28116.89.56000-50.82/0Not verified
95Brady Mills Agency2886.811.37.2000-50.81/0Not verified
96Miami SEO Company2886.811.37.2000-50.81/0Not verified
97Exo Agency28610.313.83000-50.81/0Not verified
98SEO Guru NYC28610.38.1302.40-20.81/0Not verified
99Ronkot Design27126.89.73000-50.82/0Not verified
100Social Cali27810.310.63000-50.81/0Not verified
101Vizion Interactive27610.38.37.2000-50.81/0Not verified
102YellowFin Digital2766.886.601.20-20.81/0Not verified
103Growthopedia26910.39.13000-50.82/0Not verified
104Red Clay Commerce26810.39.63000-50.81/0Not verified
105Digital Success25810.39.13000-50.81/0Not verified
106SEA Marketing2586.810.64.8000-50.81/0Not verified
107DiscoverMyBusiness2566.88.66000-20.81/0Not verified
108ViewRanking25612.48.53000-50.81/0Not verified
109NIXAR Solutions2496.810.92.4000-50.82/0Not verified
110SEO Guru Atlanta24610.39.83000-50.81/0Not verified
111Razor Rank2366.88.17.2000-50.81/0Not verified
112Youtech2296.88.13000-50.81/0Not verified
113Enterprise Digital World2186.88.43000-50.81/0Not verified
114E-Platform Marketing2166.810.63000-50.81/0Not verified
115Digital Media Ninja1966.88.63000-50.81/0Not verified
116KAFURE Consulting Services1966.88.53000-50.81/0Not verified

Pool 20 · ranked 116 · unranked 337 (7 with profile tags only) · verified 42 · pricing disclosed 72 · case studies on file 495 · an outside source names the work 13 · an outside document describes it 13 · lowest verified floor Netrocket $500/month

Claims: claims for this need in the feed / of them from a third party. Confidence is the number behind the High, Moderate and Lower labels; it never changes the order.

D1Breakdown per agencyPoints, facts, claims with weights and reviews behind every position
#1 LinkGraph68/100 · High confidence 0.9

Published by the agency on its own site · national coverage · From $5,000/month · hourly $100 - $149 · projects from $5,000 · 73 claims on file

Evidence for this query29.5/300.9836 technical SEO claims on file: 1 third-party, 3 first-party, 2 profile signals; outside claims from 2 distinct sites; LinkGraph is an SEO and digital marketing agency founded in 2018 that offers technical SEO, GEO, AEO, and link building. (sellseo.ai, verified); LinkGraph documented its SEO work for AutoAuctionMall.com, a car auction site, including server-side rendering for a ReactJS single-page… (linkgraph.com, claimed)
Fit to this query16.2/250.65Serves San Francisco from New York, NY, USA; no local office on file; Retainers from $5,000/month, inside the technical SEO band; Profile names saas clients
Capability depth2.2/150.1481 of 11 listed services are SEO services; 6 of 73 claims on file concern technical SEO
Reliability6/100.6In business since 2018; Retention not documented
Transparency10/101Pricing disclosed (From $5,000/month); Team size 10-49; Workflow or reporting cadence documented
Reputation3.1/50.61322 third-party reviews at 4.5
Market credibility1.3/50.251 recognition with a source on file: Drum Awards; Sources: sellseo.ai, checked Nov 2026

Limits: Last verified April 2026; details may have changed since.

  • LinkGraph is an SEO and digital marketing agency founded in 2018 that offers technical SEO, GEO, AEO, and link building.

    Independent source · sellseo.ai · verified: Checked against the source page by Vendar. · weight 1 · checked Nov 2, 2026

  • LinkGraph documented its SEO work for AutoAuctionMall.com, a car auction site, including server-side rendering for a ReactJS single-page app, a site migration to Google Cloud Platform, link building, and content optimization. The page reports a 275% increase in organic traffic (40K to 110K sessions per month).

    Agency's own words · linkgraph.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • LinkGraph's own case study for Loti Labs, an online chemical supplier, says the team rebuilt the site on WordPress, Elementor and WooCommerce and "implemented technical SEO to improve crawlability, strengthen indexation signals, and refine site architecture across priority pages". Over the six months from April 2025 organic sessions rose 150% (17,093 to 42,739), clicks rose 151% and average position improved from 40.8 to 28.

    Agency's own words · linkgraph.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • A testimonial from Elizabeth Cooper, SEO Consultant, says LinkGraph's link building and technical SEO efforts led remixtures to a notable surge in organic traffic and greater website visibility.

    Agency's own words · linkgraph.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • Profile best-fit tag: Technical SEO.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Apr 27, 2026

  • Editorial use case: Technical SEO and authority growth for SaaS and B2B teams.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Apr 27, 2026

Reviews: Google 4.6 from 21 reviews; Trustpilot 3.3 from 1 reviews. Ratings never count as evidence for this question.

Best for (profile): Technical SEO, Content-led, B2B / SaaS, Authority Links

#2 Walker Sands67/100 · High confidence 0.94

Confirmed by an independent source · national coverage · From $10,000/month · hourly $200 - $299 · projects from $12,000 · 219 claims on file

Evidence for this query30/3014 technical SEO claims on file: 2 third-party, 2 first-party, 0 profile signals; outside claims from 2 distinct sites; Sitebulb's customer case study describes a technical audit by Walker Sands for a large B2B predictive-analytics client whose site had… (sitebulb.com, verified); Walker Sands fixed a JavaScript rendering issue that had dropped a B2B client's site to 9 URLs in Google's index, reversing the indexation… (sitebulb.com, verified)
Fit to this query16.2/250.65Serves San Francisco from Chicago, IL, USA; no local office on file; Retainers from $10,000/month, inside the technical SEO band; Profile names enterprise clients
Capability depth0.6/150.0393 of 92 listed services are SEO services; 4 of 219 claims on file concern technical SEO
Reliability7.2/100.72In business since 2001; Retention not documented
Transparency10/101Pricing disclosed (From $10,000/month); Team size 10-49; Workflow or reporting cadence documented
Reputation2/50.4066 third-party reviews at 4.8
Market credibility1.3/50.251 recognition with a source on file: Inc. 5000; Sources: finance.yahoo.com, checked Nov 2026

Limits: Last verified June 2026; details may have changed since.

  • Sitebulb's customer case study describes a technical audit by Walker Sands for a large B2B predictive-analytics client whose site had fallen to "9 URLs in Google's index, 7 of which were PDFs". Crawling and JavaScript rendering analysis, with Lighthouse and page-speed checks, traced the drop to PWA configuration, user-agent redirects, oversized JavaScript bundles and scroll events hiding content from Googlebot. After the fixes, traffic to blog URLs rose 158%, to product category URLs 509%, and organic conversions 80%. The page gives no timeframe; the account comes from Walker Sands.

    Independent source · sitebulb.com · verified: Checked against the source page by Vendar. · weight 1.3 · describes work · checked Nov 1, 2026

  • Walker Sands fixed a JavaScript rendering issue that had dropped a B2B client's site to 9 URLs in Google's index, reversing the indexation drop.

    Independent source · sitebulb.com · verified: Checked against the source page by Vendar. · weight 1.2 · describes work · checked Nov 2, 2026

  • Walker Sands' own case study for Sendbird, a chat and video API software company, describes a content and technical SEO strategy with new optimized pages and reports organic search traffic +54% and organic search conversion rate +59%. The MQL and pipeline figures on the same page come from the separate paid program and are not SEO results.

    Agency's own words · walkersands.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Nov 1, 2026

  • Walker Sands built a content and technical SEO strategy for client Sendbird, writing new optimized pages and providing guidance on CTAs, meta descriptions, broken links and keyword research, alongside paid campaign work.

    Agency's own words · walkersands.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

Reviews: Google 4.8 from 6 reviews. Ratings never count as evidence for this question.

Best for (profile): B2B Demand Gen, Full-funnel Growth, Revenue Growth, Attribution / Analytics

#3 Red Houston SEO Company65/100 · Moderate confidence 0.8

Confirmed by an independent source · national coverage · Projects from $1,000 · hourly < $25 · projects from $1,000 · 7 claims on file

Evidence for this query23/300.7672 technical SEO claims on file: 2 third-party, 0 first-party, 0 profile signals; outside claims from 2 distinct sites; Red Houston SEO Company is a company profile on ConnectAmericas stating it has 56 employees and was founded in 2015, offering website… (connectamericas.com, verified); Bar Bleu, a restaurant and bar, partnered with Red Houston SEO Company; the client reports that technical SEO helped them rank higher and… (selectedfirms.co, verified)
Fit to this query9.7/250.39Serves San Francisco from Houston, TX, USA; no local office on file; Projects from $1,000; no monthly floor disclosed
Capability depth12.9/150.8571 of 1 listed services are SEO services; 2 of 7 claims on file concern technical SEO
Reliability7.2/100.72In business since 2016; Retention not documented
Transparency7.5/100.75Pricing disclosed (Projects from $1,000); Team size 10+; Process not documented
Reputation4.9/50.989000000000000194 third-party reviews at 5.0
Market credibility1.3/50.251 recognition with a source on file: a press mention per connectamericas.com; Sources: connectamericas.com, checked Nov 2026

Penalties: Profile below decision-ready status -2 (Profile status is ready_for_render_audit.)

Limits: Profile below decision-ready status: Profile status is ready_for_render_audit.

  • Red Houston SEO Company is a company profile on ConnectAmericas stating it has 56 employees and was founded in 2015, offering website optimization for search engines including content strategy, link building, and technical SEO.

    Independent source · connectamericas.com · verified: Checked against the source page by Vendar. · weight 1 · checked Nov 1, 2026

  • Bar Bleu, a restaurant and bar, partnered with Red Houston SEO Company; the client reports that technical SEO helped them rank higher and social media optimization attracted more customers, leading to a significant increase in online visibility, more reservations and engagement. The result mixes SEO and social media optimization in one engagement.

    Independent source · selectedfirms.co · verified: Checked against the source page by Vendar. · weight 1 · describes work · checked Nov 2, 2026

Reviews: Google 5 from 94 reviews. Ratings never count as evidence for this question.

#4 HawkSEM63/100 · Moderate confidence 0.8

Published by the agency on its own site · national coverage · From $1,515/month · 100 claims on file

Evidence for this query19.1/300.6387 technical SEO claims on file: 0 third-party, 5 first-party, 2 profile signals; outside claims from 1 distinct site; HawkSEM documented an SEO recovery for DesktopReady after a new website launch caused a traffic slump, with a technical SEO audit, content… (hawksem.com, claimed); While partnering with HawkSEM, MileIQ grew year-over-year organic site traffic by 125%, drove nearly 4,000 new first-page keyword… (hawksem.com, claimed)
Fit to this query16.2/250.65Serves San Francisco from Los Angeles, CA, USA; no local office on file; Retainers from $1,515/month, inside the technical SEO band; Profile names saas clients
Capability depth5.1/150.33814 of 28 listed services are SEO services; 7 of 100 claims on file concern technical SEO
Reliability7.2/100.72In business since 2006; Retention not documented
Transparency10/101Pricing disclosed (From $1,515/month); Team size 10-49; Workflow or reporting cadence documented
Reputation4.1/50.824000000000000147 third-party reviews at 4.9
Market credibility1.3/50.251 recognition with a source on file: Meta Business Partner; Sources: velocityppc.com, checked Nov 2026

Limits: No independent source names technical SEO work; the evidence is first-party or editorial.; Last verified April 2026; details may have changed since.

  • HawkSEM documented an SEO recovery for DesktopReady after a new website launch caused a traffic slump, with a technical SEO audit, content work, and social media SEO support. Results included increased users by 409%, backlinks grown from 822 to 1,340, and SERP terms jumping from 4 to 468.

    Agency's own words · hawksem.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Oct 31, 2026

  • While partnering with HawkSEM, MileIQ grew year-over-year organic site traffic by 125%, drove nearly 4,000 new first-page keyword rankings, and increased organic sessions by 207%. The engagement combined content updates, backlink strategies, site map accuracy, page speed, and meta tag optimization, so the results are not attributable to a single service.

    Agency's own words · hawksem.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Nov 2, 2026

  • For SUPER73, HawkSEM conducted keyword research, optimized existing pages, developed a content calendar, assisted with a domain migration, and ensured there were no crawl issues from a technical SEO standpoint.

    Agency's own words · hawksem.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • HawkSEM updated older content, ensured MileIQ's site map was accurate, improved page speed, and optimized meta tags, page titles, and descriptions.

    Agency's own words · hawksem.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • The HawkSEM team expanded MileIQ's global reach to align with new national and international markets through new content and backlink strategies, and improved page speed and site map accuracy as part of the SEO engagement.

    Agency's own words · hawksem.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 2, 2026

  • Listed service on Vendar: SEO Migration.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Apr 27, 2026

  • Listed service on Vendar: Technical SEO.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Apr 27, 2026

Reviews: Google 4.9 from 46 reviews; Trustpilot 3.2 from 1 reviews. Ratings never count as evidence for this question.

Best for (profile): B2B / SaaS, Content-led SEO, Ecommerce SEO

#5 Perfect Search Media62/100 · High confidence 0.92

Confirmed by an independent source · national coverage · From $5,000/month · hourly $100 - $149 · projects from $5,000 · 227 claims on file

Evidence for this query26.5/300.8833 technical SEO claims on file: 1 third-party, 2 first-party, 0 profile signals; outside claims from 2 distinct sites; Perfect Search Media provided SEO for Best Bully Sticks, including technical health improvements, metadata optimization, and assistance… (findbestfirms.com, verified); Perfect Search Media's own case study for a military equipment supplier describes crawling the site and Google Search Console after a site… (perfectsearchmedia.com, claimed)
Fit to this query16.2/250.65Serves San Francisco from Chicago, IL, USA; no local office on file; Retainers from $5,000/month, inside the technical SEO band; Profile names ecommerce clients
Capability depth0.4/150.0241 of 66 listed services are SEO services; 3 of 227 claims on file concern technical SEO
Reliability7.2/100.72In business since 2010; Retention not documented
Transparency10/101Pricing disclosed (From $5,000/month); Team size 10-49; Workflow or reporting cadence documented
Reputation0.8/50.1633 third-party reviews at 2.7
Market credibility1.3/50.251 recognition with a source on file: MUSE Creative Awards; Sources: museaward.com, checked Nov 2026

Limits: Last verified June 2026; details may have changed since.

  • Perfect Search Media provided SEO for Best Bully Sticks, including technical health improvements, metadata optimization, and assistance during a site migration, resulting in a 39.2% increase in YOY organic transactions, a 42.7% increase in year-over-year organic revenue, and a 153.7% increase in year-over-year organic traffic. The engagement lasted more than one year.

    Independent source · findbestfirms.com · verified: Checked against the source page by Vendar. · weight 1.3 · describes work · checked Nov 2, 2026

  • Perfect Search Media's own case study for a military equipment supplier describes crawling the site and Google Search Console after a site migration to find pages that were not redirected, then updating the redirects. From three months after the migration to the same period a year later: organic Product Quote form completions +87%, organic Request a Quote clicks +49%.

    Agency's own words · perfectsearchmedia.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • A case study describes how Demitri's increased site speed and blog traffic after a successful site migration, with a 63.6% increase in site speed score.

    Agency's own words · perfectsearchmedia.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

Reviews: Google 2.7 from 3 reviews. Ratings never count as evidence for this question.

Best for (profile): Ecommerce Growth, Customer Acquisition, Creative Testing, Full-funnel Growth

#6 Coalition Technologies62/100 · Moderate confidence 0.8

Published by the agency on its own site · national coverage · From $1,800/month · hourly $110/hour · projects from $1,000 · 313 claims on file

Evidence for this query17.8/300.59200000000000016 technical SEO claims on file: 0 third-party, 4 first-party, 2 profile signals; outside claims from 2 distinct sites; Coalition Technologies' case study for Asphalt Kingdom, a B2B ecommerce supplier of asphalt equipment and materials on Magento, says the… (coalitiontechnologies.com, claimed); Pink Lily, a boutique fashion ecommerce company, engaged Coalition Technologies for SEO, PPC, web development, and email marketing.… (casestudies.com, claimed)
Fit to this query16.2/250.65Serves San Francisco from Los Angeles, CA, USA; no local office on file; Retainers from $1,800/month, inside the technical SEO band; Profile names enterprise clients
Capability depth1.7/150.11515 of 82 listed services are SEO services; 6 of 313 claims on file concern technical SEO
Reliability9.4/100.9359999999999999In business since 2009; Client retention 84% (documented)
Transparency7.5/100.75Pricing disclosed (From $1,800/month); Team size 250+; Process not documented
Reputation4.7/50.94281 third-party reviews at 4.7
Market credibility5/516 recognitions with a source on file: Ordergroove partner, Klaviyo partner, a press mention per growave.io, an award per partners.ordergroove.com, an award per partners.dotdigital.com, a press mention per partners.teamworkcommerce.com; Sources: partners.ordergroove.com, checked Oct 2026; connect.klaviyo.com, checked Oct 2026; growave.io, checked Oct 2026; partners.dotdigital.com, checked Oct 2026; 1 more

Limits: No independent source names technical SEO work; the evidence is first-party or editorial.

  • Coalition Technologies' case study for Asphalt Kingdom, a B2B ecommerce supplier of asphalt equipment and materials on Magento, says the work began "with a full technical and content audit to identify ranking losses, crawl issues, duplicate pages, and missed internal linking opportunities", alongside AI SEO work. It reports AI search sessions up 766.9% year over year and users arriving from AI platforms up 604%; the paid-search results in the same engagement are reported separately.

    Agency's own words · coalitiontechnologies.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Oct 31, 2026

  • Pink Lily, a boutique fashion ecommerce company, engaged Coalition Technologies for SEO, PPC, web development, and email marketing. Coalition addressed page speed, mobile optimization, a domain migration, and negative SEO indicators; the client generated $2.5 million in the first year from a $100,000 investment, growing to $19.5 million overall after three years across all channels.

    Agency's own words · casestudies.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Oct 31, 2026

  • Coalition's SEO and development team recommended redirect strategies for missing pages and non-canonical URLs and XML sitemap improvements for Roku Community and Roku Support.

    Agency's own words · coalitiontechnologies.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • A technical SEO audit of the Microsoft Bing Maps website found issues that Coalition then fixed, including title tags, meta descriptions, headers, image sizes, alt text, redirect chains, server errors, and redirect errors.

    Agency's own words · coalitiontechnologies.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • Listed service on Vendar: SEO Migration.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Sep 13, 2026

  • Listed service on Vendar: Technical SEO.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Sep 13, 2026

Reviews: Google 4.8 from 254 reviews; Trustpilot 4.2 from 27 reviews. Ratings never count as evidence for this question.

Best for (profile): Los Angeles SEO, Ecommerce SEO, Lead generation SEO, Los Angeles ecommerce development

#7 BizIQ57/100 · Moderate confidence 0.8

Published by the agency on its own site · national coverage · $100 - $149/hour · hourly $100 - $149 · 24 claims on file

Evidence for this query15/300.53 technical SEO claims on file: 0 third-party, 3 first-party, 0 profile signals; outside claims from 1 distinct site; BizIQ helped Zenned Out Jewelry reclaim rankings and increase web traffic by over 385% after a site migration, bringing online sales to an… (biziq.com, claimed); BizIQ's case study for A.R.S. Video Inc., a film and audio conversion company in Tallmadge, Ohio, says the largest issue after moving from… (biziq.com, claimed)
Fit to this query9.7/250.39Serves San Francisco from Phoenix, AZ, USA; no local office on file; $100 - $149/hour; no monthly floor disclosed
Capability depth9.8/150.65599999999999991 of 1 listed services are SEO services; 3 of 24 claims on file concern technical SEO
Reliability7.2/100.72In business since 2012; Retention not documented
Transparency7.5/100.75Pricing disclosed ($100 - $149/hour); Team size 50-249; Process not documented
Reputation4.6/50.921028 third-party reviews at 4.6
Market credibility5/514 recognitions with a source on file: Sprout Social partner, Meta Business Partner, Google Featured Partner, Inc. 500 (2020); Sources: sproutsocial.com, checked Nov 2026; b12.io, checked Nov 2026

Penalties: Profile below decision-ready status -2 (Profile status is ready_for_render_audit.)

Limits: No independent source names technical SEO work; the evidence is first-party or editorial.; Profile below decision-ready status: Profile status is ready_for_render_audit.

  • BizIQ helped Zenned Out Jewelry reclaim rankings and increase web traffic by over 385% after a site migration, bringing online sales to an all-time high.

    Agency's own words · biziq.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • BizIQ's case study for A.R.S. Video Inc., a film and audio conversion company in Tallmadge, Ohio, says the largest issue after moving from a local to an organic package "was site structure", organising pages for many service lines, and lists among the work a website audit and technical SEO optimisation, together with keyword research, content and link building. It reports, since the site relaunch, users up 107%, sessions up 88% and 2,000 more visits.

    Agency's own words · biziq.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Oct 31, 2026

  • Zenned Out Jewelry's owner reported that before the engagement she had built up organic blog traffic over 3 years and was ranked #1 by Google on a few blogs, and was losing hundreds of visitors daily after the site migration.

    Agency's own words · biziq.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Nov 1, 2026

Reviews: Google 4.6 from 1027 reviews; Trustpilot 3.7 from 1 reviews. Ratings never count as evidence for this question.

#8 Netrocket56/100 · High confidence 0.95

Confirmed by an independent source · national coverage · From $500/month · projects from $3,000 · 264 claims on file

Evidence for this query26/300.8674 technical SEO claims on file: 1 third-party, 2 first-party, 1 profile signal; outside claims from 3 distinct sites; A collaboration software company hired Netrocket for SEO services, with tasks including keyword research, content strategy development… (othlist.com, verified); NetRocket's own case study (24 March 2025) for an HVAC company, client not named, recovers traffic lost after a November 2023 site… (netrocket.pro, claimed)
Fit to this query14.8/250.59Serves San Francisco from Miami, FL, USA; no local office on file; Retainers from $500/month, inside the technical SEO band; Best-fit note mentions Local SEO
Capability depth1.1/150.07110 of 96 listed services are SEO services; 4 of 264 claims on file concern technical SEO
Reliability3/100.3Founding year not disclosed; Retention not documented
Transparency10/101Pricing disclosed (From $500/month); Team size 10-49; Workflow or reporting cadence documented
Reputation0.7/50.1432 third-party reviews at 3.0
Market credibility0/50No awards, certifications or media mentions with a source on file
  • A collaboration software company hired Netrocket for SEO services, with tasks including keyword research, content strategy development, website restructuring, and internal linking.

    Independent source · othlist.com · verified: Checked against the source page by Vendar. · weight 1 · describes work · checked Nov 2, 2026

  • NetRocket's own case study (24 March 2025) for an HVAC company, client not named, recovers traffic lost after a November 2023 site migration done without an SEO specialist: duplicate pages, junk pages left open to indexing and scanning, and missing canonical tags. Reported in one month: +2,620 ranking keywords, +113,423 impressions, +114% total clicks.

    Agency's own words · netrocket.pro · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • Netrocket worked on an HVAC website after a migration, focusing on technical SEO, backlinks, and pages responsible for organic visibility. The site began appearing in search results again at a meaningful level after approximately 7 months; as of January 2025, it gained +2620 keywords and +113,423 impressions in less than a month.

    Agency's own words · netrocketagency.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.8 · describes work · checked Nov 2, 2026

  • Listed service on Vendar: Technical SEO.

    Vendar profile field · Vendar profile · internal_signal: status on file · weight 0.3 · checked Sep 13, 2026

Reviews: Trustpilot 3 from 2 reviews. Ratings never count as evidence for this question.

Best for (profile): SERM, ORM, Community Marketing, Link Building

#9 AdsRole56/100 · Moderate confidence 0.8

Published by the agency on its own site · national coverage · From $399/month · 21 claims on file

Evidence for this query9/300.32 technical SEO claims on file: 0 third-party, 2 first-party, 0 profile signals; outside claims from 1 distinct site; AdsRole optimized the Fossil client's key pages with SEO-optimized meta titles and descriptions, improved heading structure, enhanced… (adsrole.com, claimed); For the Fossil client, AdsRole performed a complete technical SEO audit, improved crawlability and indexing, optimized site architecture… (adsrole.com, claimed)
Fit to this query16.2/250.65Serves San Francisco from Houston, TX, USA; no local office on file; Retainers from $399/month, inside the technical SEO band; Profile names ecommerce clients
Capability depth9.3/150.6191 of 1 listed services are SEO services; 2 of 21 claims on file concern technical SEO
Reliability6.6/100.66In business since 2017; Retention not documented
Transparency7.5/100.75Pricing disclosed (From $399/month); Team size 501-1000; Process not documented
Reputation4/50.8189 third-party reviews at 4.0
Market credibility5/514 recognitions with a source on file: Google Partner, Meta Business Partner, HubSpot Partner, Shopify Partner; Sources: greatworkguild.com, checked Nov 2026

Penalties: Profile below decision-ready status -2 (Profile status is ready_for_render_audit.)

Limits: No independent source names technical SEO work; the evidence is first-party or editorial.; Never verified against official sources.; Profile below decision-ready status: Profile status is ready_for_render_audit.

  • AdsRole optimized the Fossil client's key pages with SEO-optimized meta titles and descriptions, improved heading structure, enhanced product and category content, and strategic internal linking.

    Agency's own words · adsrole.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • For the Fossil client, AdsRole performed a complete technical SEO audit, improved crawlability and indexing, optimized site architecture, and enhanced mobile performance and page speed.

    Agency's own words · adsrole.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

Reviews: Google 4.1 from 100 reviews; Trustpilot 3.9 from 89 reviews. Ratings never count as evidence for this question.

#10 Orbit Media55/100 · Moderate confidence 0.8

Published by the agency on its own site · national coverage · From $4,500/month · hourly $150 - $199 · projects from $4,500 · 238 claims on file

Evidence for this query15.8/300.5254 technical SEO claims on file: 0 third-party, 4 first-party, 0 profile signals; outside claims from 1 distinct site; Orbit Media's own case study for the Greater Chicago Food Depository describes sitewide Core Web Vitals work, reducing load time and PDF… (orbitmedia.com, claimed); Orbit Media worked with Sonatype, which helps enterprises improve their software supply chain, on site audits and remediation (indexing… (orbitmedia.com, claimed)
Fit to this query16.2/250.65Serves San Francisco from Chicago, IL, USA; no local office on file; Retainers from $4,500/month, inside the technical SEO band; Profile names saas clients
Capability depth0.4/150.0291 of 63 listed services are SEO services; 4 of 238 claims on file concern technical SEO
Reliability7.2/100.72In business since 2001; Retention not documented
Transparency10/101Pricing disclosed (From $4,500/month); Team size 10-49; Workflow or reporting cadence documented
Reputation4.1/50.82848 third-party reviews at 4.9
Market credibility1.3/50.251 recognition with a source on file: WE Awards; Sources: we-awards.com, checked Nov 2026

Limits: No independent source names technical SEO work; the evidence is first-party or editorial.; Last verified June 2026; details may have changed since.

  • Orbit Media's own case study for the Greater Chicago Food Depository describes sitewide Core Web Vitals work, reducing load time and PDF weight, and reports a 15% increase in requests to find food within six months; the page credits the gain partly to content work.

    Agency's own words · orbitmedia.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • Orbit Media worked with Sonatype, which helps enterprises improve their software supply chain, on site audits and remediation (indexing, images, backlinks and page speed), subdomain migration, AI-powered page upgrades, and CRO testing. Results include a 13% increase in keywords ranking on page one of Google, a 243% YoY increase in organic traffic cost, a 61% YoY increase for a key conversion event, and improved Core Web Vitals scores.

    Agency's own words · orbitmedia.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.9 · describes work · checked Nov 1, 2026

  • For Access Corp, Orbit Media's ongoing optimization work included site re-architecture, audits, internal linking, on-page updates, landing page creation, and multi-lingual SEO and localization services.

    Agency's own words · orbitmedia.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 1, 2026

  • For Access Corp, Orbit Media's content work included custom import tools, internal linking and content upgrades, alongside the broader SEO and CRO engagement.

    Agency's own words · orbitmedia.com · claimed: Recorded as the source states it; not independently confirmed. · weight 0.6 · describes work · checked Nov 2, 2026

Reviews: Google 4.9 from 48 reviews. Ratings never count as evidence for this question.

Best for (profile): Content-led SEO, SEO for Conversion Growth, Traffic Growth SEO, SEO Agencies with Case Studies

Positions 11 to 116: the same breakdown is on each agency's profile, linked from the table above, and in the machine-readable version below.

D2What counts as evidence for this questionRubric 2026.09

A claim counts as technical-SEO evidence when a source on file names engineering-side search work: crawl budget and indexation fixes, Core Web Vitals or page-speed results, site architecture and internal linking, canonicalisation, structured data, JavaScript rendering, log-file analysis, or a platform migration that preserved rankings. Client reviews describing an audit that shipped fixes carry the most weight. A Vendar service listing or profile tag is our own label and never earns a rank on its own.

Terms that count:
technical seo, core web vitals, page speed, pagespeed, crawl budget, crawlability, indexation, indexing issues, site architecture, internal linking, canonical, structured data, schema markup, javascript rendering, log file, site migration, seo migration, robots.txt, xml sitemap, site speed, lighthouse
Minimum to be ranked:
1 claim on file under this rubric, of which 1 from a source outside Vendar.
Budget band:
no budget band for this question

In plain words: a case counts when it names technical SEO work and where it was published can be checked.

D3Eligibility and orderWho is admitted, how ties break, what payment does

Ranked vendors have at least 1 claim on file that supports technical SEO under the published rubric, of which at least 1 comes from a source outside Vendar; the rest are listed unranked.

  • The vendor lists the page's service on its profile.
  • The vendor serves the page's market: headquarters or a listed service region in the city. When a need page has fewer than ten ranked vendors from the city, agencies from other cities join it only if they are headquartered in the same state or have published work (a case study, a project, a client review) that names the city or its state. A line saying a company serves the whole country is not enough. They are ranked by the same score, geography counts 0.3 for them, and each position says where the agency works from. Mobile development is bought remotely, so its city pages take agencies from anywhere in the United States under the same condition: documented work for the need. The same holds for SEO needs bought remotely: international, enterprise, consulting, recovery, marketplaces, startups, B2B SaaS, ecommerce, AI search visibility, audits, technical and content-led SEO. Local SEO, small business, lead generation and high-ticket services stay with agencies from the city and its state.
  • A need page that still has fewer than ten ranked agencies after that is filled from the city's own agencies whose sources say they offer the need but document no project for it yet. They always stand below every agency with documented work, are labelled "Offers this service; no documented project on file yet", carry lower confidence, and do not count toward the threshold that opens a page to search engines.
  • For an intent page, at least one claim on file supports the intent under the page's rubric, and at least one of those claims comes from a source outside Vendar. Our own service listings and profile tags describe the intent but document nothing, so they add weight to a vendor that already has outside evidence and never earn a rank on their own. Vendors without outside evidence appear below the ranking, unranked, never padded into it.
  • For an intent page, at least one of those claims documents work the vendor has done: a case study, a project or portfolio entry, or a client review. Service pages, price lists, positioning statements and directory listings say what a vendor offers, not what it did; they add weight to a vendor that already has documented work and never earn a documented position. They can only fill a page that is short of ten, below every documented position and labelled as such (see below).
  • A position may rest on case studies the agency published on its own site. It is admitted and labelled "Published by the agency on its own site" until an independent source documents the same kind of work.
  • Filtered views (an entry price, a pricing model, a team size) are not rankings of their own: they show agencies ranked for at least one need in the city, each with the score of its best need, and keep only those that meet the condition. An agency that does not publish the fact is listed below with the reason.
  • Draft and needs-data profiles are never listed.
  • Rank order is the score, highest first. Ties break on evidence points, then on the number of third-party claims, then alphabetically.
  • There is no hidden ordering: no hand-curated slug lists and no paid boost in the sort on any listing.
  • If an editor overrides a position, the position is labelled as an editorial placement with a written reason and ordering_basis set to editorial. No such placements exist on evidence-ranked pages today.
  • Every ranked position explains itself from its score components and cites the claims behind them, with their sources.
  • Sort: score_out_of_100, highest first; ties break on evidence points, then third-party claim count, then name.
  • Payment: Paid visibility never changes the order of a listing.
  • Top-list threshold: An intent page is offered to search engines when its ranked list has at least five evidence-backed vendors (three when the city has fewer than twenty vendors for the service). Only agencies from the city itself (headquarters or a listed service region) with documented work count toward it: agencies filled in from other cities and agencies that only offer the need do not. A page whose list rests mostly on agencies from other cities is titled “agencies serving” the city instead of “best agencies in” it, says how many are local, stays on the city page and in its feed, and is kept out of search engines until enough local agencies document the work; otherwise the same national list would stand behind six city pages. Below the threshold even with outside agencies the page stays published with noindex, keeps its URL, links and feed, and is left out of the city page's list of rankings. A page whose top ten repeats 70% or more of another need's top ten in the same city, or has the same top three, also stays noindex while the stronger of the two is offered; it opens when the lists differ. The same holds across cities: of the pages for one need whose top tens share 70% or more, only the one with the most local agencies is offered to search engines.

Weights: Evidence for this query 30 · Fit to this query 25 · Capability depth 15 · Reliability 10 · Transparency 10 · Reputation 5 · Market credibility 5. Penalties: Profile flagged for review -5 · Evidence not re-checked in 18 months -5 · No independent source on file -3 · Profile below decision-ready status -2.

D4How claims are counted
  • Paid agency directories that sell placement are not a source. Their reviews are not cited, never support a position and do not count toward reputation; a profile may show how many reviews such directories hold as one unnamed figure, for context only. Ratings come from open review platforms: Google, Trustpilot and BBB.
  • Provenance is recorded per claim: third_party, first_party, internal (a Vendar profile field) or unknown.
  • Verification status is recorded per claim: verified, claimed, internal_signal or unverified.
  • Every record on file has a role: a claim states a fact; a source reference is a link without a statement (an official site, a directory profile); a research note is Vendar's own remark. Only claims count as evidence. A source reference never earns weight, however its title reads, and a research note never reaches a page or a feed.
  • Every claim with a source URL is checked against that page by an AI reader and the result is recorded: confirmed, partly confirmed, not supported, or page unreachable. A claim the page does not support stops counting toward any position until a later check confirms it; a claim whose page cannot be read still counts and says so.
  • Third-party claims outweigh first-party claims; profile fields are the weakest signal and are labelled as such.
  • A position may rest on case studies the agency published on its own site; such a position is admitted and labelled "Published by the agency on its own site" on the listing, the profile and the feed (evidence_basis: own_published) until an independent source documents the same kind of work. Its confidence is at most moderate.
  • In the ranking, who is speaking is decided by the source address: the vendor's own site and platforms where the vendor publishes about itself (platform partner directories and portals, case-study hosting sites, paid release wires) are the vendor's own word, not an independent source, whatever domain they sit on. Client reviews on a partner directory stay third-party.
  • On the profile and in its feed the rule is stricter: who is speaking is decided by who wrote the text. Every claim falls into one of four classes: independent (a client, the press, a rating written by a third party); linked to the agency (a person who worked at or through it, writing in the first person); a listing the agency writes (the platforms above, or another page retelling what the agency says); and the agency itself. Only the first class counts as independent there (section 18).
  • A claim counts for an intent only when the rubric's terms appear in the claim or its source. The rubric is published on the page.
  • Claims that only describe the company's location or history are not intent evidence.
  • Each claim is marked by whether it documents work (describes_work in the machine feed): case studies, projects, portfolio entries and client reviews do; service pages, pricing, positioning statements, review-platform profiles and employer reviews do not.
  • Claims from the same source count with diminishing weight: each further claim adds half as much as the one before it. Everything an agency says about itself, on any page, is one source; outside documents are told apart by the site that published them. The number of reviews on one platform, or of pages on an agency's own site, cannot carry a position.
  • Evidence documented on two or more different independent sites earns a small bonus over the same amount of evidence from one site.
  • Review platforms that compete with Vendar stay in the machine feed with their source URL, because a claim must be checkable, but pages do not name or link them; where other sources exist, they are listed first.

Verified means Vendar confirmed the company, its service and its market on official sources and stamped the profile with the date. A participation status or a partner relationship does not make a profile verified.

D5Dates and versions
Data as of
Nov 3, 2026
Newest evidence check
Nov 3, 2026
Feed generated
Nov 4, 2026
Ranking model
Evidence-weighted ranking 2026.11.7
Rubric
Technical SEO 2026.09
Update cadence
Fast signals, monthly: licence status, site alive, review rating and count, pricing pages, team page. Evidence, each base cycle: case studies, portfolio, services, client types, press and awards. Full re-verification, yearly: registry, address, ownership, every claim a rank rests on. Event-driven, within days: a vendor update, a buyer report, a dead link, a regulator record, a dispute.
Next evidence pass due by
Feb 1, 2027

Every date shown is a data date. A listing's updated date is the newest verification date among its ranked vendors and the evidence claims their ranks rest on; the same value appears in the page text, the structured data and the machine feed.

D6Known limits of the method

A position reflects documented work for the page's question, not the quality of an agency as such. Without a public case or a visible campaign the result of an agency's work cannot be known from outside. An agency with no public evidence is not worse: there is nothing to confirm it with, so it is listed below the ranking instead of being ranked low.

  • About 20 of 100 points rest on what the vendor says about itself without an outside check: years in business, team size, retention, prices.
  • The weights favour older, larger and local vendors: full marks at ten years and around 100 reviews, awards count toward market credibility, a vendor that works remotely gets 0.3 on geography, an undisclosed price gets 0.2.
  • The weights 30/25/15/10/10/5/5 are set by judgment and are not yet calibrated on client outcomes.
  • Reviews on directories are often collected by the agency itself.
  • The ranking decides who is speaking by the source address only: a person who worked at or through the agency writing on their own site, or a third-party page retelling what the agency says, still counts as third-party in a position. The profile and its feed already count them as the agency's word, so a position can show more third-party claims than the profile shows independent ones.
  • Market credibility counts recognition with a source on file, including recognition the vendor reports about itself.
  • Claims are checked by AI models, not by people. Code confirms that the quoted words are on the page; it cannot confirm that the page itself tells the truth. A case study on an agency's own site stays the agency's word even when the check confirms it.
  • Confidence is shown next to the score and does not change the order.
D7Machine-readable version

This section carries the same data that AI assistants receive.

/ai/listings/marketing/seo/san-francisco/technical-seo

Schema vendar.ai.decision.v1 · Evidence-weighted ranking 2026.11.7 · generated Nov 4, 2026 · methodology /scoring

San Francisco buyer context

What technical SEO work looks like when it is real

Technical work is measured in shipped fixes, not in findings. The question is whether the agency can get changes into your codebase and keep them from regressing at the next release.

Fit
  • Writes developer-ready tickets, or works in the repository and CMS directly.
  • Diagnoses crawling and indexation from Search Console and server logs.
  • Owns Core Web Vitals with field data, not a lab score screenshot.
Proof
  • Show an indexation or performance chart before and after a specific release.
  • Which fix took longest to ship, and what held it up?
  • How do you catch a regression introduced by someone else's deploy?
Budget
  • Ranked here and disclosing a monthly minimum: 56, from $399 to $20K.
  • Middle of that range: about $3K a month.
  • 60 of the 116 ranked agencies do not publish a minimum; ask on the first call.

Other San Francisco SEO scenarios

All SEOLocal SEOSmall BusinessB2B / SaaSEcommerceEnterpriseAI SearchContent-ledMultilingualAuditConsultingRetainerRecovery

Technical SEO in other cities

Los AngelesNew YorkChicagoMiami