- conflicts or gaps
- [{"employee_count_discrepancy": {"value": "Reported headcount ranges from 100+ (Jul 2023 press) to 180 (YC) to 508 (LinkedIn) to 600–1033 (third-party trackers, 2025–2026); no authoritative public headcount", "source_urls": ["https://partechpartners.com/news/prolific-announces-25m-funding-to-improve-ai-systems-with-high-quality-verifiable-human-insights", "https://www.ycombinator.com/companies/prolific", "https://uk.linkedin.com/company/prolific-com", "https://tracxn.com/d/companies/prolific/__SXKRO00fUaesZc6XQhWNHq5hQq5N_n-EFksxZ2jLvAk", "https://getlatka.com/companies/prolific.com", "https://leadiq.com/c/prolific/5a1dd8ca2300005300e51ccb/employee-directory"]}, "seed_round_amount_discrepancy": {"value": "Seed reported as $1.2M (Dec 2019 TechCrunch) vs $1.4M (Jul 2023 TechCrunch retrospective and Sacra)", "source_urls": ["https://techcrunch.com/2019/12/04/prolific/", "https://techcrunch.com/2023/07/11/prolific-raises-32m-to-train-and-stress-test-ai-models-using-its-network-of-120k-people/", "https://sacra.com/c/prolific/"]}, "participant_pool_size_discrepancy": {"value": "Participant counts vary by source and date: 70K+ (2019), 100K+ (YC), 120K (2023 press), 200K+ active (Sacra 2026)", "source_urls": ["https://techcrunch.com/2019/12/04/prolific/", "https://www.ycombinator.com/companies/prolific", "https://techcrunch.com/2023/07/11/prolific-raises-32m-to-train-and-stress-test-ai-models-using-its-network-of-120k-people/", "https://sacra.com/c/prolific/"]}, "founder_leadership_history": {"value": "Early coverage lists Damer as CEO/co-founder; YC page lists only Bradley as active founder/CEO; Bradley became CEO Oct 2021; Damer resigned UK directorship Sep 2021; CB Insights still listed Damer as CEO (stale)", "source_urls": ["https://techcrunch.com/2019/12/04/prolific/", "https://www.ycombinator.com/companies/prolific", "https://linkedin.com/in/phelim-bradley-84300826", "https://find-and-update.company-information.service.gov.uk/company/08991598/officers", "https://www.cbinsights.com/company/prolific-1/people"]}, "revenue_figures_unverified": {"value": "Revenue estimates vary widely ($72.4M GetLatka vs $350M Sacra annualized Apr 2026); company is private with no public audited revenue", "source_urls": ["https://getlatka.com/companies/prolific.com", "https://sacra.com/c/prolific/"]}, "sacra_data_quality_flags": {"value": "Sacra lists headquarters as 'London, CA' (likely data error) and provides unaudited revenue/valuation estimates", "source_urls": ["https://sacra.com/c/prolific/"]}, "domain_branding": {"value": "Primary domain prolific.com; YC and older materials reference prolific.co; UK registry aliases include prolific academic ltd", "source_urls": ["https://prolific.com/", "https://www.ycombinator.com/companies/prolific", "https://uk.linkedin.com/company/prolific-com"]}, "strategy_scope_conflict": {"value": "Jul 2023 TechCrunch quoted CEO saying no plans to expand network beyond AI applications, while company simultaneously markets general research use cases", "source_urls": ["https://techcrunch.com/2023/07/11/prolific-raises-32m-to-train-and-stress-test-ai-models-using-its-network-of-120k-people/", "https://prolific.com/"]}, "ekaterina_damer_exit_type_unclear": {"value": "LinkedIn says 'successfully exited'; UK registry shows director resignation not share-sale/acquisition disclosure; no public terms", "source_urls": ["https://linkedin.com/in/ekaterina-damer", "https://find-and-update.company-information.service.gov.uk/company/08991598/officers"]}, "yc_page_founder_coverage_gap": {"value": "YC company page lists Phelim Bradley as sole active founder; does not list co-founder Ekaterina Damer", "source_urls": ["https://www.ycombinator.com/companies/prolific", "https://techcrunch.com/2019/12/04/prolific/"]}, "last_funding_gap": {"value": "No public funding rounds identified after Series A (Jul 2023) as of Jun 2026", "source_urls": ["https://techcrunch.com/2023/07/11/prolific-raises-32m-to-train-and-stress-test-ai-models-using-its-network-of-120k-people/", "https://sacra.com/c/prolific/"]}}]
- source urls
- ["https://find-and-update.company-information.service.gov.uk/company/08991598", "https://find-and-update.company-information.service.gov.uk/company/08991598/officers", "https://getlatka.com/companies/prolific.com", "https://leadiq.com/c/prolific/5a1dd8ca2300005300e51ccb/employee-directory", "https://linkedin.com/in/ekaterina-damer", "https://linkedin.com/in/phelim-bradley-84300826", "https://partechpartners.com/news/prolific-announces-25m-funding-to-improve-ai-systems-with-high-quality-verifiable-human-insights", "https://prolific.com/", "https://researcher-help.prolific.com/en/articles/445120-prolific-supplier-vendor-information", "https://researcher-help.prolific.com/en/articles/449608-about-prolific", "https://sacra.com/c/prolific/", "https://techcrunch.com/2019/12/04/prolific/", "https://techcrunch.com/2023/07/11/prolific-raises-32m-to-train-and-stress-test-ai-models-using-its-network-of-120k-people/", "https://theorg.com/org/prolific/org-chart/phelim-bradley", "https://tracxn.com/d/companies/prolific/__SXKRO00fUaesZc6XQhWNHq5hQq5N_n-EFksxZ2jLvAk", "https://uk.linkedin.com/company/prolific-com", "https://www.businessinsider.com/successful-y-combinator-application-prolific-science-startup-bootstrapped-2019-8", "https://www.cbinsights.com/company/prolific-1/people", "https://www.ycombinator.com/companies/prolific"]