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Sue Mawdsley

Partner

020 3319 3700

sue.mawdsley@keystonelaw.co.uk

Sue is a specialist regulatory lawyer with over 35 years of experience advising law firms and property professionals on regulatory issues. She has particular expertise in relation to anti-money laundering and other financial crime, as well as risk management, and claims prevention.

Expertise

Sue advises law firms on risk, compliance, and regulatory matters, including claims prevention, AML obligations, and professional discipline, helping ensure firms meet their legal and ethical duties.

Experience

  • Undertaken independent audits in accordance with Regulation 21 of the Money Laundering Regulations 2017 for numerous large international law firms.
  • Long-term adviser to a listed property-related company on its compliance with anti-money laundering obligations and other regulatory issues.
  • Provided expert evidence in relation to money laundering investigations, including for a global law firm.

Sue specialises in professional regulation, advising lawyers and law firms on compliance with regulatory frameworks, SRA requirements. She works with law firms to prevent claims through effective risk management, internal policies, and training, helping reduce exposure to professional negligence and regulatory breaches.

Experience

  • Represented a corporate boutique law firm in relation to an SRA regulatory enquiry.
  • Advised a Trust and Company Service provider in respect of a regulatory investigation into Anti-Money Laundering compliance.

Please note: The experience list above may include examples of work completed prior to joining Keystone Law.

Recognition

Recognised in Chambers UK for Professional Discipline 2024-2026

Recognised in Legal 500 for Insurance litigation: for policyholders 2026

Recommended lawyer in The Legal 500 for Professional Discipline and Professional Negligence 2024

 

Member of the Association of Partnership Practitioners (and committee member 2018 to date)

AMLP Forum (The Association of Financial Crime Prevention Professionals)

Member of the Editorial Board of Legal Compliance Bulletin

Co-author of the chapter ‘Money Laundering’ in Risk Management In Law Firms (International Bar Association, 2014)

Co-author of The Compliance Calendar Toolkit for Law Firms

“She's responsive and demonstrates a good level of regulatory understanding and how we can best implement this.”

Chambers UK 2025

Sue qualified as a solicitor in England & Wales in 1984 and is additionally admitted as a solicitor in the Republic of Ireland. Prior to joining Keystone Law, she worked at the following firms:

  • Legal Risk LLP
  • Weightmans
  • Addleshaw Goddard