Hayley Humphries

Senior Associate

Hayley is a senior associate in the Litigation & Investigations Group, specialising in white collar crime.

Hayley has a wealth of experience advising on complex financial crime matters, in particular acting as lead adviser in relation to money laundering and bribery and corruption issues, and has spent time seconded to the financial crime team of a large financial institution.

Hayley represents both firms and individuals in SFO and FCA investigations and has experience representing clients in their dealings with other regulatory bodies.

Hayley also advises on litigious cases where she demonstrates particular expertise in advising on cross-border asset tracing and enforcement matters. Hayley is qualified as a Solicitor Advocate.

Published Work

  • Anti-Money Laundering: HMRC raises its game, Practical Law Company Magazine (September 2019) 
  • Anti-Money Laundering and Counter-Terrorist Financing - Risks And Mitigants For Non-Regulated Companies (July 2019) 
  • The cannabis market: helping investors navigate the UK regulatory regime (June 2019)
  • HMRC makes it easier to self-report (or whistle blow) on facilitation of tax evasion (28 February 2019) 

Speaking Engagements

  • “Fintech litigation and regulatory enforcement risks: emerging trends and areas to watch ”, A&O Fintech Seminar Series, 27 September 2019 
  • “Growth opportunity: investing in the future of cannabis”, A&O client seminar series, 27 November 2019

Leadership Positions And Professional Affiliations

  • Member, Financial Services Lawyers Association



Solicitor, England and Wales, 2015

Solicitor Advocate, England and Wales, 2018


LLB, Law, Nottingham University, 2011

LPC, College of Law, Moorgate, 2011

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.