Neil advises individual and corporate clients on investigation, prosecution and enforcement action taken by the Serious Fraud Office (SFO), Financial Conduct Authority and HM Revenue & Customs. He has considerable experience advising key participants in high-profile and international financial crime and corruption cases, often as part of multi-disciplinary and multi-jurisdictional teams.

His advice is frequently sought at an early stage, and he has extensive experience counselling individuals during internal investigations being carried out by their employer. He also advises individuals who are or may be the subject of INTERPOL notices or extradition proceedings, arising from investigations overseas.

He also advises professional firms about their regulatory obligations, both from a risk management perspective and in response to requests from law enforcement.

Neil is recognised by Legal 500 2024 in several categories, and is particularly noted for his SFO work, having successfully defended clients in several high-profile investigations by the agency, as well as for his expertise in business crime and investigations, criminal tax fraud and civil cases and for leading on the regulatory front for contentious financial services work.

Neil is ranked in Chambers 2025 for POCA Work & Asset Forfeiture, Tax: Contentious: Fraud, and Financial Crime: Individuals, with clients saying that he "is a joy to work with. He brings out the best in people and manages client relationships with genuine care. He's a fantastic lawyer with real expertise in difficult issues", "he's always in command of a case and is brilliant to work with" and "Neil provides detailed knowledge and practical legal advice when dealing with complex and sensitive tax disputes".

Neil is ranked in Chambers High Net Worth Guide 2024 (Financial Crime: High Net Worth Individuals), with clients noting that he "is superb; he is a person who has been involved in the financial crime world for a very long time and is very calm and unflappable”.

In recognition of his client skills, Neil won the Lexology Client Choice award for Business Crime in 2022.

Neil was a contributing author to Blackstone's Guide to the Bribery Act 2010 and gave evidence to the House of Lords Select Committee on the Bribery Act in 2018. He is a frequent speaker, writer and commentator on fraud, corporate crime, corruption and money laundering. He is regularly ranked in leading legal directories.