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Harriet Territt


(T) +44.20.7039.5709
(F) +44.20.7039.5999


  • King's College London (Postgraduate Diploma with distinction 2004); The College of Law, York (Legal Practice Course 1996); University of Southampton (LL.B. Hons. 1995)

Bar Admissions

  • Solicitor of the Senior Courts of England and Wales

Harriet Territt has 20 years of experience in resolving significant financial disputes and regulatory issues. She focuses on complex financial instruments, with a particular concentration on structured products such as CDOs, CLOs, and SIVs. She regularly solves disputes by negotiation, mediation, and wholesale restructuring of transactions as well as by representing clients in court and related proceedings (including as part of the multijurisdictional Jones Day team that acted as Special Derivatives Counsel to the Estate of Lehman Brothers Holdings Inc.).

Increasingly, Harriet works with clients on liability, risk, and governance issues arising out of the cutting edge of financial technology (fintech) such as DLT (distributed ledger technology, also known as blockchain), AI implementations, alternative finance arrangements, and consumer-facing products. She is a founding member of Jones Day's blockchain initiative and the coauthor of Jones Day's multijurisdictional blockchain overview.

Harriet is regularly asked to advise on complex issues related to global financial sanctions and money laundering rules. She deals with related matters including market abuse allegations and has undertaken highly confidential internal investigations and compliance reviews for clients in the financial and regulated sector. She represents organizations and senior individuals before regulators such as the Financial Conduct Authority and the Office of Financial Sanctions Implementation.

Harriet is co-chair of the Jones Day Women's Group, helping to develop the next generation of female business leaders, and an external member of the Policy Committee of the SRA (Solicitors Regulation Authority) in the UK. The SRA is the independent regulator of solicitors in the UK.

Honors & Distinctions

  • Recommended in The Legal 500 for banking litigation (2013-2017) and for financial services (2014, 2016, and 2017), where she is recognized by clients as "extremely good"
Harriet Territt