{"schema_version":"vendar.ai.decision.v1","object_type":"listing_decision_feed","vertical":"development","listing":{"service_slug":"custom-software-development","service_name":"Custom Software Development","geo_slug":"los-angeles","geo_name":"Los Angeles","focus_slug":"marketplace-platform-development","focus_name":"Marketplace Platform Development","canonical_url":"https://www.vendar.org/development/custom-software-development/los-angeles/marketplace-platform-development","machine_url":"https://www.vendar.org/ai/listings/development/custom-software-development/los-angeles/marketplace-platform-development"},"ranking_contract":{"primary_sort":"decision_score plus route-fit and visibility disclosure context","paid_visibility_note":"Paid visibility is disclosed per vendor and should not be treated as organic proof.","use_guidance":"Use this feed as shortlist evidence, then inspect each vendor machine_profile_url for claim-level evidence."},"vendors":[{"rank":1,"slug":"seedx","name":"SeedX","profile_url":"https://www.vendar.org/vendors/seedx","machine_profile_url":"https://www.vendar.org/ai/vendors/seedx","decision_score":0.73,"score_out_of_100":73,"verdict":{"label":"Recommended","summary":"Solid profile quality, but some buyer or AI signals still need work."},"fit_summary":"Recommended when the buyer needs a data/strategy-heavy growth partner rather than only channel execution.","best_for":["Growth marketing","Startup marketing","Revenue growth","Los Angeles ecommerce development","Shopify Plus storefront development","Headless commerce and checkout optimization"],"not_for":["Buyers who only need tactical PPC management without strategy, analytics, or web/content work.","Procurement teams requiring high-volume verified buyer reviews.","Service fit depends on budget, channel mix, and delivery model."],"pricing":{"pricing_model":"retainer","minimum_monthly_budget_usd":6000,"minimum_project_size_usd":null,"typical_contract_value_usd":14000,"pricing_range_min_usd":null,"pricing_range_max_usd":null,"hourly_rate_range":null,"setup_fee_usd":null,"contract_min_months":null,"contract_default_months":null,"pricing_known":true},"evidence_summary":{"source_count":6,"proof_highlights":["SeedX's B2B case-study hub lists Ekso Bionics, NeuFit, The Millennium Alliance, and American Marketing Association examples.","World Savvy case study documents website redesign, content management, brand positioning, analytics integration, UX, and information architecture work.","Prometheus/PDW case study describes design, storytelling, product-page media, Google/Meta optimization, and email marketing work.","Glassdoor employee-review signal is positive but should be treated as delivery-context evidence, not buyer proof.","Vendar source-of-truth links SeedX to Los Angeles Ecommerce Development, including Shopify Plus, headless commerce, custom ecommerce, checkout optimization, subscription commerce, integrations, and maintenance."],"case_studies_count":8,"named_clients_count":6,"external_review_count":11},"validation_limits":{"declared":false,"limit_types":[],"external_validation_status":"review_rich","buyer_use_guidance":"No listing-level validation caveat is declared; inspect machine_profile_url for claim-level source details."},"risks":["Exact scope, staffing, and reporting should still be validated during outreach."],"quality":{"confidence_score":0.91,"source_reliability_score":0.93,"data_completeness_pct":91,"profile_status":"decision_ready","verification_status":"unverified","last_verified_at":"2026-06-02T00:00:00.000Z"},"participation_disclosure":{"participation_status":"none","paid_visibility_package":null},"services":[{"category":"Development","subcategory":"Marketplace Platform Development"},{"category":"Development","subcategory":"0-to-1 Product 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Marketing"},{"category":"Marketing","subcategory":"Link Building"},{"category":"Marketing","subcategory":"LinkedIn Ads"},{"category":"Marketing","subcategory":"Meta Ads"},{"category":"Marketing","subcategory":"Organic Community Growth"},{"category":"Marketing","subcategory":"Paid Ads"},{"category":"Marketing","subcategory":"Performance Marketing"},{"category":"Marketing","subcategory":"Performance PPC"},{"category":"Marketing","subcategory":"Reddit Marketing"},{"category":"Marketing","subcategory":"Reputation in Communities"},{"category":"Marketing","subcategory":"Revenue Growth"},{"category":"Marketing","subcategory":"Revenue-focused SEO"},{"category":"Marketing","subcategory":"SEO"},{"category":"Marketing","subcategory":"SEO Agencies for SaaS"},{"category":"Marketing","subcategory":"SEO Agencies for Startups"},{"category":"Marketing","subcategory":"SEO Agencies with Case Studies"},{"category":"Marketing","subcategory":"SEO Audit"},{"category":"Marketing","subcategory":"SEO Consulting"},{"category":"Marketing","subcategory":"SEO for Conversion Growth"},{"category":"Marketing","subcategory":"SEO for DTC Brands"},{"category":"Marketing","subcategory":"SEO for Founders"},{"category":"Marketing","subcategory":"SEO for Marketplaces"},{"category":"Marketing","subcategory":"SEO for Startups"},{"category":"Marketing","subcategory":"SEO Migration"},{"category":"Marketing","subcategory":"SEO Strategy"},{"category":"Marketing","subcategory":"Slack Communities"},{"category":"Marketing","subcategory":"Technical SEO"},{"category":"Marketing","subcategory":"Telegram Marketing"},{"category":"Marketing","subcategory":"Traffic Growth SEO"}],"industries":["B2B","SaaS","Ecommerce","Consumer"],"service_regions":["Los Angeles","California","USA"]},{"rank":2,"slug":"storm-brain","name":"Storm Brain","profile_url":"https://www.vendar.org/vendors/storm-brain","machine_profile_url":"https://www.vendar.org/ai/vendors/storm-brain","decision_score":0.72,"score_out_of_100":72,"verdict":{"label":"Recommended","summary":"Solid profile quality, but some buyer or AI signals still need work."},"fit_summary":"Official Los Angeles location page","best_for":["Organic SEO","Los Angeles digital growth","SEO + brand marketing","Los Angeles ecommerce development","Shopify Plus and headless commerce","Marketplace and checkout optimization"],"not_for":["Buyers who require public pricing before outreach","Procurement flows that require normalized third-party proof before shortlisting","Public pricing not yet verified","Deep proof and review normalization still pending"],"pricing":{"pricing_model":"retainer","minimum_monthly_budget_usd":1000,"minimum_project_size_usd":10000,"typical_contract_value_usd":5500,"pricing_range_min_usd":null,"pricing_range_max_usd":null,"hourly_rate_range":"$150 - $199","setup_fee_usd":null,"contract_min_months":null,"contract_default_months":null,"pricing_known":true},"evidence_summary":{"source_count":3,"proof_highlights":["SEO offering and Los Angeles-area presence confirmed on the company website.","Official Los Angeles location page lists the LA office in Santa Monica and includes Organic Search (SEO) among marketing services.","Official marketing page describes SEO as part of its growth offering.","Clutch lists Storm Brain with 124 reviews, a 5.0 rating, Santa Monica location context, and pricing metadata; this restores buyer-review count from a zero-client state.","Vendar source-of-truth links Storm Brain to Los Angeles Ecommerce Development, including Shopify Plus, headless commerce, custom ecommerce, checkout optimization, marketplace commerce, integrations, and maintenance."],"case_studies_count":2,"named_clients_count":0,"external_review_count":124},"validation_limits":{"declared":false,"limit_types":[],"external_validation_status":"review_rich","buyer_use_guidance":"No listing-level validation caveat is declared; inspect machine_profile_url for claim-level source details."},"risks":["Commercial details still need manual verification","Third-party proof sources still need structured review mapping"],"quality":{"confidence_score":0.94,"source_reliability_score":0.96,"data_completeness_pct":94,"profile_status":"decision_ready","verification_status":"verified","last_verified_at":"2026-06-02T00:00:00.000Z"},"participation_disclosure":{"participation_status":"none","paid_visibility_package":null},"services":[{"category":"Development","subcategory":"Marketplace Platform Development"},{"category":"Development","subcategory":"0-to-1 Product Development"},{"category":"Development","subcategory":"Android App 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Automation Development"},{"category":"Marketing","subcategory":"Authority Links"},{"category":"Marketing","subcategory":"Creative Testing"},{"category":"Marketing","subcategory":"Digital PR"},{"category":"Marketing","subcategory":"Full-funnel Growth"},{"category":"Marketing","subcategory":"Google Ads"},{"category":"Marketing","subcategory":"Landing Page Optimization"},{"category":"Marketing","subcategory":"Link Building"},{"category":"Marketing","subcategory":"Outreach"},{"category":"Marketing","subcategory":"Paid Ads"},{"category":"Marketing","subcategory":"Paid Social"},{"category":"Marketing","subcategory":"Performance Marketing"},{"category":"Marketing","subcategory":"SEO"}],"industries":["Ecommerce","Brand","B2B"],"service_regions":["Los Angeles","USA","Santa Monica"]},{"rank":3,"slug":"spinx-digital","name":"SPINX Digital","profile_url":"https://www.vendar.org/vendors/spinx-digital","machine_profile_url":"https://www.vendar.org/ai/vendors/spinx-digital","decision_score":0.73,"score_out_of_100":73,"verdict":{"label":"Recommended","summary":"Solid profile quality, but some buyer or AI signals still need work."},"fit_summary":"Official site clearly supports the service fit.","best_for":["Enterprise SEO support","Analytics-backed growth","Case-study-led digital programs","Los Angeles ecommerce development","Headless commerce development","Marketplace commerce implementation"],"not_for":["Very low-budget briefs that need freelancer-style support only.","Service fit depends on budget","channel mix","and delivery model."],"pricing":{"pricing_model":"retainer","minimum_monthly_budget_usd":9000,"minimum_project_size_usd":null,"typical_contract_value_usd":22000,"pricing_range_min_usd":null,"pricing_range_max_usd":null,"hourly_rate_range":null,"setup_fee_usd":null,"contract_min_months":null,"contract_default_months":null,"pricing_known":true},"evidence_summary":{"source_count":6,"proof_highlights":["Official site positions SPINX Digital as a Los Angeles web design, development, mobile app, ecommerce, CMS, branding, digital marketing, and SEO agency founded in the mid-2000s.","Homepage claims 20+ years in business, 500+ websites/projects launched, 40+ awards, and client experience with brands such as CBS, Amazon, GE, Quinn Emanuel, The California Endowment, BEGA, and Worldwide Facilities.","Work page includes featured case studies and testimonials for clients such as Physicians Formula, S&B Filters, The California Endowment, BEGA, PSZJ, Keller Postman, StemWave, and Soma Tech.","Clutch profile reports 7 reviews and buyer interview snippets praising SPINX for adaptable design, responsiveness, and high-quality web work.","LinkedIn profile lists SPINX Digital as an IT services and consulting company in Los Angeles with 11-50 employees and specialties across web design, CMS, web development, apps, ecommerce, SEO, advertising, and digital strategy."],"case_studies_count":8,"named_clients_count":13,"external_review_count":21},"validation_limits":{"declared":false,"limit_types":[],"external_validation_status":"review_rich","buyer_use_guidance":"No listing-level validation caveat is declared; inspect machine_profile_url for claim-level source details."},"risks":["Exact scope, staffing, and reporting should still be validated during outreach."],"quality":{"confidence_score":0.9,"source_reliability_score":0.94,"data_completeness_pct":90,"profile_status":"decision_ready","verification_status":"verified","last_verified_at":"2026-06-02T00:00:00.000Z"},"participation_disclosure":{"participation_status":"none","paid_visibility_package":null},"services":[{"category":"Development","subcategory":"Marketplace Platform Development"},{"category":"Development","subcategory":"0-to-1 Product Development"},{"category":"Development","subcategory":"Android App Development"},{"category":"Development","subcategory":"API Development"},{"category":"Development","subcategory":"App Store Launch Support"},{"category":"Development","subcategory":"Backend Development"},{"category":"Development","subcategory":"Checkout Optimization Development"},{"category":"Development","subcategory":"Click-to-cancel Compliance Development"},{"category":"Development","subcategory":"CMS Development"},{"category":"Development","subcategory":"Conversion-focused Web Development"},{"category":"Development","subcategory":"Cross-platform App Development"},{"category":"Development","subcategory":"Custom Database Applications"},{"category":"Development","subcategory":"Custom Ecommerce Development"},{"category":"Development","subcategory":"Custom Software Development"},{"category":"Development","subcategory":"Dashboard and Admin Panel Development"},{"category":"Development","subcategory":"Design-to-Build Product Sprints"},{"category":"Development","subcategory":"Ecommerce Development"},{"category":"Development","subcategory":"Ecommerce Integrations"},{"category":"Development","subcategory":"Ecommerce Maintenance and Support"},{"category":"Development","subcategory":"Ecommerce Migration"},{"category":"Development","subcategory":"Enterprise Software Development"},{"category":"Development","subcategory":"Flutter Development"},{"category":"Development","subcategory":"Frontend Development"},{"category":"Development","subcategory":"Full-stack Web Development"},{"category":"Development","subcategory":"Headless Commerce Development"},{"category":"Development","subcategory":"Headless Website Development"},{"category":"Development","subcategory":"Internal Tools Development"},{"category":"Development","subcategory":"iOS App Development"},{"category":"Development","subcategory":"Legacy System Modernization"},{"category":"Development","subcategory":"Magento Development"},{"category":"Development","subcategory":"Marketplace Commerce Development"},{"category":"Development","subcategory":"Mobile App Maintenance and Support"},{"category":"Development","subcategory":"Mobile App Modernization"},{"category":"Development","subcategory":"Mobile Backend and API Integration"},{"category":"Development","subcategory":"Mobile Development"},{"category":"Development","subcategory":"Mobile MVP Development"},{"category":"Development","subcategory":"Multi-tenant Platform 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Development"},{"category":"Development","subcategory":"Webflow Development"},{"category":"Development","subcategory":"Website Redesign and Rebuild"},{"category":"Development","subcategory":"WooCommerce Development"},{"category":"Development","subcategory":"Workflow Automation Development"},{"category":"Marketing","subcategory":"Agencies with Proven Results"},{"category":"Marketing","subcategory":"Attribution / Analytics"},{"category":"Marketing","subcategory":"Google Ads"},{"category":"Marketing","subcategory":"Growth Marketing"},{"category":"Marketing","subcategory":"LinkedIn Ads"},{"category":"Marketing","subcategory":"Paid Ads"},{"category":"Marketing","subcategory":"Performance Marketing"},{"category":"Marketing","subcategory":"Revenue-focused SEO"},{"category":"Marketing","subcategory":"SEO"},{"category":"Marketing","subcategory":"SEO Agencies with Case Studies"},{"category":"Marketing","subcategory":"SEO Agencies with Proven Results"}],"industries":["Enterprise","B2B","Healthcare","Public Sector"],"service_regions":["Los Angeles","California","USA"]},{"rank":4,"slug":"urban-insight","name":"Urban Insight","profile_url":"https://www.vendar.org/vendors/urban-insight","machine_profile_url":"https://www.vendar.org/ai/vendors/urban-insight","decision_score":0.71,"score_out_of_100":71,"verdict":{"label":"Developing","summary":"Usable profile, but ranking confidence is limited until more gaps are closed."},"fit_summary":"Strong explicit web development proof from official and ecosystem sources.","best_for":["Web development","Drupal development","Website redesign","Mission-focused organizations that need a Los Angeles web development partner for Drupal, WordPress, accessibility, or headless website work.","Museums, associations, public-sector, and education teams comparing experienced CMS and website rebuild partners.","Los Angeles buyers comparing mobile app development teams across iOS app development, Android app development, cross-platform app development, mobile MVP development, mobile backend and API integration, app launch, modernization, and support."],"not_for":["Buyers that need the cheapest freelancer option without discovery, QA, or ongoing support.","Exact staffing, timeline, and stack ownership should be verified during outreach."],"pricing":{"pricing_model":"fixed_project","minimum_monthly_budget_usd":8500,"minimum_project_size_usd":50000,"typical_contract_value_usd":20000,"pricing_range_min_usd":null,"pricing_range_max_usd":null,"hourly_rate_range":"$150-$199/hr","setup_fee_usd":null,"contract_min_months":null,"contract_default_months":null,"pricing_known":true},"evidence_summary":{"source_count":3,"proof_highlights":["Official homepage positions Urban Insight as a web development agency providing strategy, design, and technical expertise to develop innovative websites.","Official Drupal services page describes Drupal architecture, website design, site building, custom web development, integrations, hosting, and operations support in Los Angeles.","Drupal.org profile lists Los Angeles headquarters and services including design, development, front-end development, site building, support, and Drupal architecture.","Los Angeles Mobile Development fit: Vendar's development source-of-truth classifies this vendor for Mobile Development, iOS App Development, Android App Development, React Native Development, Flutter Development, Cross-platform App Development, Mobile MVP Development, Mobile Backend and API Integration, App Store Launch Support. Route-level specializations include Ios App Development, Android App Development, React Native Development, Flutter Development, Cross Platform App Development, Mobile Mvp Development. This is an internal route-fit signal, not a replacement for external case-study proof.","Los Angeles Custom Software Development fit: Vendar's development source-of-truth classifies this vendor for Custom Software Development, Backend Development, SaaS Development, Internal Tools Development, Dashboard and Admin Panel Development, API Development, System Integrations, Workflow Automation Development, Marketplace Platform Development. Route-level specializations include Backend Development, Saas Development, Internal Tools Development, Dashboard Admin Panel Development, Portal Development, Api Development. This is an internal route-fit signal, not a replacement for external case-study proof."],"case_studies_count":2,"named_clients_count":6,"external_review_count":0},"validation_limits":{"declared":true,"limit_types":["service_area_caveat","geo_verification_gap"],"external_validation_status":"not_disclosed","buyer_use_guidance":"Use this listing row as shortlist context, then inspect the machine_profile_url before confident outreach."},"risks":["Confirm exact development team composition, timeline, QA process, and post-launch ownership before contracting."],"quality":{"confidence_score":0.84,"source_reliability_score":0.88,"data_completeness_pct":78,"profile_status":"decision_ready","verification_status":"verified","last_verified_at":"2026-06-02T00:00:00.000Z"},"participation_disclosure":{"participation_status":"none","paid_visibility_package":null},"services":[{"category":"Development","subcategory":"Marketplace Platform Development"},{"category":"Development","subcategory":"0-to-1 Product Development"},{"category":"Development","subcategory":"ADA Website Compliance Development"},{"category":"Development","subcategory":"AI Agent Development"},{"category":"Development","subcategory":"AI Chatbot Development"},{"category":"Development","subcategory":"AI Development"},{"category":"Development","subcategory":"AI Evaluation and Guardrails"},{"category":"Development","subcategory":"AI Governance Consulting"},{"category":"Development","subcategory":"AI Prototype Development"},{"category":"Development","subcategory":"AI Risk and Compliance Readiness"},{"category":"Development","subcategory":"AI Search and Knowledge Base Development"},{"category":"Development","subcategory":"AI Workflow Automation"},{"category":"Development","subcategory":"Android App Development"},{"category":"Development","subcategory":"API Development"},{"category":"Development","subcategory":"App Store Launch Support"},{"category":"Development","subcategory":"Backend Development"},{"category":"Development","subcategory":"CI/CD Implementation"},{"category":"Development","subcategory":"Cloud Architecture"},{"category":"Development","subcategory":"CMS Development"},{"category":"Development","subcategory":"Cross-platform App Development"},{"category":"Development","subcategory":"Custom Database Applications"},{"category":"Development","subcategory":"Custom Software Development"},{"category":"Development","subcategory":"Dashboard and Admin Panel Development"},{"category":"Development","subcategory":"Design-to-Build Product Sprints"},{"category":"Development","subcategory":"DevOps and Cloud"},{"category":"Development","subcategory":"DevOps Setup"},{"category":"Development","subcategory":"Enterprise Software Development"},{"category":"Development","subcategory":"Flutter Development"},{"category":"Development","subcategory":"Fractional CTO Support"},{"category":"Development","subcategory":"Frontend Development"},{"category":"Development","subcategory":"Full-stack Web Development"},{"category":"Development","subcategory":"Headless Website Development"},{"category":"Development","subcategory":"Healthcare Cybersecurity"},{"category":"Development","subcategory":"HIPAA Compliance Engineering"},{"category":"Development","subcategory":"Hosting and Cloud Migration"},{"category":"Development","subcategory":"Infrastructure as Code"},{"category":"Development","subcategory":"Internal AI Copilot Development"},{"category":"Development","subcategory":"Internal Tools Development"},{"category":"Development","subcategory":"iOS App Development"},{"category":"Development","subcategory":"Kubernetes and Containerization"},{"category":"Development","subcategory":"Legacy System Modernization"},{"category":"Development","subcategory":"LLM Product Development"},{"category":"Development","subcategory":"Mobile App Maintenance and Support"},{"category":"Development","subcategory":"Mobile App Modernization"},{"category":"Development","subcategory":"Mobile Backend and API Integration"},{"category":"Development","subcategory":"Mobile Development"},{"category":"Development","subcategory":"Mobile MVP Development"},{"category":"Development","subcategory":"Monitoring and Observability"},{"category":"Development","subcategory":"Multi-tenant Platform Development"},{"category":"Development","subcategory":"MVP and Product Development"},{"category":"Development","subcategory":"Performance Optimization"},{"category":"Development","subcategory":"Portal Development"},{"category":"Development","subcategory":"Product Discovery and Technical Scoping"},{"category":"Development","subcategory":"Prototype Development"},{"category":"Development","subcategory":"RAG Application Development"},{"category":"Development","subcategory":"Rapid Validation Builds"},{"category":"Development","subcategory":"React Native Development"},{"category":"Development","subcategory":"SaaS 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