LEONARD NG is a member of the firm’s Executive Committee, co-managing partner of Sidley’s Singapore office, and head of the UK/EU Financial Services Regulatory group. Leonard advises a wide range of global financial institutions on complex UK/EU financial services regulatory issues. He has particular experience in advising clients on operating under the regulatory framework established after the last financial crisis, and more recently on Brexit, sustainable finance/ESG, and crypto-asset regulation. Leonard is a past member of the Board of the Managed Funds Association (MFA), the global trade association for hedge funds, and is a frequent speaker at industry conferences.
Leonard has received acknowledgement from numerous industry ranking guides:
- Chambers UK 2026 – Ranked for Financial Services: Non-contentious Regulatory. He is praised for being a “trusted adviser” and offering “consistently good and prompt advice on all manner of regulatory queries. He has a remarkable ability to contextualize complicated regulatory problems which makes him indispensable.” One client observed that “he is an incredibly technical and impressive lawyer, he delivers advice on complex issues in a very digestible and user-friendly manner.”
- Legal 500 UK 2026 – Recognized in the “Hall of Fame” for Financial Services: Non-contentious/Regulatory. Clients describe him as a “highly experienced and capable lawyer, who has a great network and reputation amongst the financial services industry in the UK and US.” They note that he is “always available to give advice at short notice on complex matters.” Another client adds, “having worked with Leonard for many years, his depth of knowledge as well as commercial awareness on the advisory side is extremely competitive.” Leonard was also recommended for Fintech: Regulatory.
- Lexology Index 2025-2026 – Recognized as one of the world’s leading practitioners in the “Thought Leaders: Global Elite” for Private Funds – Regulatory.
- Chambers UK 2025 – Ranked for Financial Services: Non-contentious Regulatory. Clients describe Leonard as “an expert in UK financial service regulations and has unparalleled depth of knowledge. He is up to date with legal changes, and this leads to practical and sensible legal advice.”Another client adds “there is no lawyer with whom I have ever worked who I trust more than I do Leonard.”
- Legal 500 UK 2025 – Recognized in the “Hall of Fame” for Financial Services: Non-contentious/Regulatory. Sources say “Leonard Ng is a star. A rare and talented individual, who provides real solutions as he has deep industry knowledge and how entities work.”
- Chambers UK 2024 – Ranked for Financial Services: Non-contentious Regulatory where clients note that “He’s dialed in to every rule, pronouncement and thought. If the regulators say something or think something, he’s already ahead of the process and makes sure we are as well.”
- Legal 500 UK 2024 – Recognized in the “Hall of Fame” for Financial Services: Non-contentious/Regulatory. Sources praise Leonard Ng for his “deep financial services expertise,” noting that he “delivers practical solutions, client-focused, constantly looking out for clients and provides regular updates on developments.”
- Who’s Who Legal 2024 – Recognized as a Global Elite Thought Leader for Private Funds – Regulatory. Recommended for Banking – Finance and Banking – Regulatory.
- Financial News Europe – Selected as one of Financial News’ Fifty Most Influential Lawyers in 2022 and 2023.
- The Hedge Fund Journal Awards 2019 – Honored with the “Outstanding Contribution Award.”
Leonard has also been interviewed widely for his thought leadership, including in such national publications as the Financial Times, Reuters, The Wall Street Journal, and New York Times’ Dealbook. He has also been featured in numerous industry outlets, including Bloomberg Briefs, HFMWeek, Financial News, Risk, Private Equity News, Asian Investor, Law360, Institutional Investor Magazine, and Global Risk Regulator.