Winterflood
Winterflood is one of the UK’s leading equity market makers, providing liquidity and high‑quality execution services to institutional investors, retail brokers and asset managers. Founded in 1988 and headquartered in London, the firm has built a strong reputation for reliability, advanced technology and deep market expertise.
Marex acquired Winterflood in 2025, strengthening our UK cash equities capabilities and expanding our distribution to institutional and wealth management clients.
Winterflood provides access to a broad range of instruments including UK, European and North American equities, investment trusts, exchange‑traded products and fixed income. They also offer key market advice and analysis. Coverage includes, investment trusts, corporate advisory, research and equity, and debt capital markets. The Winterflood Retail Access Platform (WRAP) provides comprehensive end-to-end retail distribution for both equity and debt issuers and Winterflood Retail Intelligence (WRI) provides retail trading data analysis.
