Harriet Territt

Expertise

Harriet advises global corporates and financial institutions on some of their most sensitive risk and compliance issues. She is particularly known for her expertise on trade issues, including sanctions and export control compliance, money laundering concerns and other trade-related legislation such as modern slavery, supply chain compliance and foreign investment issues. Her recent experience includes advising clients that have been affected by material third party fraud and bribery issues.

Harriet undertakes highly confidential internal investigations and remediation projects, as well as representing businesses and senior executives before regulators and enforcement agencies such as OFSI, OTSI, HMRC , the Insolvency Service and the FCA . Increasingly, Harriet works with clients who want to future proof compliance systems, providing boards and senior management with clear visibility and assurance around levels of regulatory risk.

She is passionate about the power of emerging technologies to change our world for the better, with particular experience in liability, risk, and governance issues arising out of the cutting edge of AI, fintech and digital assets.

Experience

Harriet's recent experience includes:

Advising a leading airline on urgent UK and EU sanctions compliance regarding dealings with Russian oil majors, including engagement with OFSI to ensure lawful continuation of fuel supply arrangements
Advising a client under HMRC investigation for alleged UK export control breaches, including responding to production orders, supporting interviews under caution and assessing dual‑use, export ban and criminal liability risks
Advising a senior executive of a listed business in respect of enforcement and regulatory proceedings by the Insolvency Service and the FCA
Supporting a client with a major fraud investigation into the conduct of employees and third parties including on site investigations, liaising with the authorities and assisting with risk and reputation management
Conducting a global compliance culture audit for a technology business to support development and execution of a strong, proportionate compliance culture taking account of cultural and business norms

Testimonials

“Harriet is a master of distilling complex legal advice, advising very promptly where the need arises, and taking a pragmatic approach” - Chambers Guide to the Legal Profession 2026

“Harriet is incredibly knowledgeable and has a deep understanding of a client's business” - Chambers Guide to the Legal Profession 2026

"Harriet Territt is an extraordinarily sharp attorney who always manages to deliver pragmatic solutions for very complex issues" - Legal 500 2026

Recognition