GLG
Editor's pickThe world's largest expert network
4.5Enterprise / CustomBest for Commercial DD needing rare operator perspectives
Expert Network Commercial DD Enterprise
Overview
GLG (Gerson Lehrman Group) is the largest expert network, connecting clients to insight from over one million vetted experts through calls, surveys, events and transcript content. In 2026 it relaunched its myGLG client platform with agentic AI tools, and PE firms remain core users for commercial diligence and thesis validation.
Key features
- 1M+ expert consultants across industries and geographies
- Expert calls, surveys and B2B panels
- Expert Content Library transcripts
- myGLG platform with agentic AI (2026 relaunch)
- Industry-leading compliance framework
- Placements and longer-term engagements
Pros
- Unmatched expert breadth for niche diligence questions
- Robust compliance — important for MNPI-sensitive work
- Fast turnaround on custom recruits
Cons
- Premium pricing versus newer networks
- Quality varies call-to-call; screening is on you