G-Research
Overview
G-Research (legal name Trenchant Limited) is a London-based quantitative research and technology firm that describes itself as using mathematics and machine learning to predict financial-market movements. It was set up in 2001 as Gloucester Research within Peter de Putron’s De Putron Fund Management group; de Putron is founder and owner (Wikipedia). Headquartered in London with trading operations in Guernsey; about 1,200 staff as of 2023 (Wikipedia).
Organisation (gresearch.com, fetched 2026-10-05)
Four teams: Quantitative Research and Machine Learning; Engineering; Technology Innovation Group; Open-Source Software. Early-career routes include a Summer Research Programme and a Machine Learning College. The firm stresses “honesty, curiosity and a long-term perspective”.
Leadership
Wikipedia states Mark Jones became CEO at the start of 2025; this has not been confirmed from a primary source (see Open items).
Notable disputes (per Wikipedia, secondary; not independently verified)
- 2011-2014: five departing employees and Quadrature Capital dispute over IP; settled confidentially.
- 2014-2019: a case against a former employee over alleged copying of trading strategies, as reported by Wikipedia.
- Political donations were reported as of 2014 (per Wikipedia).
Sources
- https://en.wikipedia.org/wiki/G-Research (secondary; fetched 2026-10-05)
- https://www.gresearch.com (fetched 2026-10-05)
Open items
- Current CEO (Mark Jones vs Ben Leadsom) unverified; check Companies House or gresearch.com leadership page.
- Current headcount, financials and technology stack not sourced; removed from the earlier draft.