proSapient Competitors (2026): Top Expert Network Alternatives

The top proSapient competitors and alternatives: what proSapient does, whether it is worth using, and how GLG, AlphaSights, and Guidepoint compare.

proSapient is a technology-forward network, but it is one of many worth knowing. This guide to proSapient competitors covers what the company does, whether it is worth using, and the main alternatives to weigh alongside it. What is proSapient and how does it work? proSapient is an insights platform that connects clients with vetted experts for paid calls, interviews, and surveys, wrapped in software that uses AI to source and organize each interview. Founded in 2015 and based in London, it built its business around a research platform and proprietary database that give clients one place to find experts and store what they learn. Its buyers are mostly private equity firms, hedge funds, and consultancies doing due diligence and market research. For experts, it works like other networks: an associate matches your background to a project, a compliance step confirms you can speak to it, and you are paid for your time. Who are proSapient's main competitors and alternatives? proSapient competes with the full field. The most direct alternatives are: - GLG , the Gerson Lehrman Group, is the largest network in the world and the benchmark for scale. - AlphaSights is known for fast, white-glo…