GLG Alternatives
GLG is the largest expert network, but it's not the only option. Here are 10 alternatives worth evaluating — whether you need faster sourcing, lower costs, better content libraries, or specialized regional coverage.
Why consider GLG alternatives?
GLG is the industry pioneer with the broadest platform — ~1.2 million experts, multi-format research, and institutional-grade compliance. But its premium pricing, annual commitment structure, and platform complexity aren't the right fit for every team. Common reasons buyers look at alternatives:
- Cost — GLG is typically the most expensive option. Teams with smaller budgets often find better value elsewhere.
- Speed — Some competitors (especially AlphaSights) specialize in faster expert sourcing and turnaround.
- Content — Third Bridge and AlphaSense/Tegus offer larger pre-built transcript libraries. GLG Library has 20,000+ items but competes against Third Bridge's 65,000+ company profiles and AlphaSense's 240,000+ transcripts.
- Flexibility — Guidepoint and others offer per-call pricing without large annual commitments.
- Specialization — Regional specialists like Capvision (Asia) or boutique firms may have deeper coverage in specific verticals.
Top GLG alternatives
AlphaSights is a global expert network founded in 2008 in London by Max Cartellieri and Andrew Heath. The firm connects decision-makers at investment funds, consultancies, and Fortune 500 corporations...
Dialectica is a fast-growing B2B information services firm founded in 2015 by George Tsarouchas and Frederick Corkett. The company started in Athens with a small London sales office and has grown to 1...
Third Bridge is an analyst-led expert network founded in 2007 as Cognolink and rebranded in 2015. The firm differentiates from access-model competitors through in-house analyst moderation of its core ...
Guidepoint is a research enablement platform and one of the largest expert networks globally, founded in 2003 by Albert Sebag. Originally launched as Clinical Advisors to match cancer patients with cl...
AlphaSense is an AI-powered market intelligence platform that entered the expert network space through its $930 million acquisition of Tegus in 2024. The combined platform integrates 500M+ premium bus...
Asia-focused expert network with global reach, providing expert consultations, industry reports, and primary research across major markets. Note: Most publicly available operational data (call volumes...
proSapient is a London-headquartered expert network founded in 2017 that positions itself as a technology-first alternative to traditional expert networks. The firm offers an AI-powered self-serve pla...
AI-powered B2B research platform using a proprietary Knowledge Graph to find and verify professionals across 1.1 billion candidates for surveys, interviews, and custom research projects....
Atheneum is a Berlin-founded Research-as-a-Service platform connecting investment funds, consulting firms, and corporations with over one million industry experts across 40+ languages. Founded in 2010...
The world's first AI-driven expert network, using NLP and machine learning to autonomously scan 280 million+ professional profiles in real time. Specializes in healthcare and life sciences with 25M he...