This is a list of 30 prominent expert network consulting firms in 2025, based on their reputation, market presence, and services. These firms connect businesses, investors, and consultants with subject matter experts for insights, due diligence, and strategic decision-making. The list includes both well-established players and newer, innovative firms, ordered alphabetically for clarity, as no definitive ranking of “top 30” exists in the provided data. Each firm is noted for its key strengths or specializations where applicable.

1. Accurate Insight – Focuses on connecting clients with experts in Brazil and Latin America, offering insights for diverse industries.consulting.wiki
2. AlphaSights – A global leader with AI-powered matching technology, serving private equity, hedge funds, and consultancies with rapid expert connections.paragonintel.comglobalgrowthinsights.com
3. Arbolus – Emphasizes longer-term client-expert collaborations for deeper knowledge exchange, appealing to investors and consultants.globalgrowthinsights.com
4. Atheneum – Blends AI-driven insights with expert consultations, popular in Europe for its innovative platform.globalgrowthinsights.com
5. Axial – Specializes in middle market M&A and private equity, offering targeted expert connections.futuristsspeakers.com
6. Business Connect China (BCC) – A leading expert network for China-focused research, serving global investment firms and consultancies.g2.com
7. Business Talent Group (BTG) – Provides access to independent professionals for project-based solutions, more cost-effective than traditional consulting.consulting.wiki
8. Capvision – Strong focus on Asia, particularly in consumer, retail, healthcare, and telecommunications research.consulting.wikifoundersnextmove.com
9. Catalant – Offers access to over 100,000 independent consultants from top firms and Fortune 500 companies for flexible, fit-to-purpose engagements.catalant.com
10. CleverX – Facilitates 1:1 video meetings with top business experts, innovative for its pay-per-minute model.consulting.wiki
11. Coleman Research (VisasQ) – Known for reliable service and a robust expert database, especially for investment firms.globalgrowthinsights.com
12. Deepbench – Focuses on startup and technology experts, ideal for niche tech-driven insights.futuristsspeakers.com
13. Dialectica – Trusted for serving professional services firms with a focus on industry-specific specialist collaborations.futuristsspeakers.comconsulting.wiki
14. Emissary – Specializes in connecting clients with former executives of specific companies for targeted insights.futuristsspeakers.com
15. Emporia – Leverages AI-powered search and proprietary algorithms to access over 800 million professionals for research.paragonintel.com
16. ENG (Experts Network Group) – Specializes in the energy sector, offering niche expertise.futuristsspeakers.com
17. Expert Engine – Focuses on custom recruiting of experts for specific client needs.futuristsspeakers.com
18. ExpertFile – A platform for organizations to showcase internal experts, enhancing visibility.futuristsspeakers.com
19. Expertscape – Specializes in identifying and ranking medical experts based on published research.futuristsspeakers.com
20. Experfy – Focuses on data science and AI experts, catering to tech-driven industries.futuristsspeakers.com
21. Expertwired – A global disruptor offering direct access to vetted experts for 1:1 video consultations.g2.com
22. Flexyforce – A SaaS provider connecting small to large enterprises with expert consultants.consulting.wiki
23. GLG (Gerson Lehrman Group) – The pioneer of expert networks, with over 1 million experts, serving diverse industries like technology and healthcare.paragonintel.comglginsights.com
24. Guidepoint – Offers over 1.6 million advisors, known for flexible engagement options and lower pricing compared to competitors.guidepoint.comglobalgrowthinsights.com
25. Guru – An online marketplace for connecting businesses with freelance professionals globally.consulting.wiki
26. Inex One – Aggregates services from multiple expert networks, offering a consolidated platform for scheduling and compliance.consulting.wiki
27. Knowledge Ridge – Known for its rigorous custom-vetting process and fast turnaround times for expert consultations.knowledgeridge.com
28. Lynk Global – Provides both 1:1 consultations and group sessions, with a broad expert network.futuristsspeakers.com
29. Maven – Offers a microconsulting model with brief, targeted expert interactions and surveys.g2.com
30. NewtonX – Uses AI-driven expert sourcing, particularly strong in healthcare and life sciences.