Leaman Crellin is a trusted Regulatory Compliance Consultant in London, supporting regulated financial services firms across the UK. Founded by experienced compliance professionals and former regulators, the firm provides practical, commercial advice that helps businesses meet regulatory expectations with confidence.

Leaman Crellin delivers a wide range of Financial Compliance Services, including compliance advisory, regulatory change support, governance reviews, and bespoke compliance projects. The team works closely with boards, senior managers, and compliance teams to design solutions that reflect each firm’s size, sector, and risk profile.
A key focus of Leaman Crellin’s work is helping firms embed good outcomes for customers through Consumer Duty Training and board-level briefings. By translating complex regulatory requirements into clear, workable actions, Leaman Crellin enables firms to reduce risk, maintain trust with regulators, and grow their businesses in a controlled and compliant way.