Winterflood Securities

Winterflood Securities is one of the UK’s leading liquidity providers, specialising in market making and electronic trading for equities, ETFs, and investment trusts. A wholly owned subsidiary of Close Brothers Group, the firm plays a central role in supporting the UK’s retail and institutional securities markets. Winterflood combines deep trading expertise with proprietary technology to ensure efficient execution, price discovery, and order flow. It is also a key player in the IPO and secondary offering market, providing trading support and liquidity provision for new and small-cap listings. The firm is especially well-regarded for its role in the investment trust space, where it maintains longstanding relationships with brokers and asset managers.