Neil advises individual and corporate clients on investigation, prosecution and enforcement action taken by the Serious Fraud Office, 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 2022 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.

In Chambers 2022, a client says "Neil swift is one of my go-to lawyers in the white-collar crime space. He is knowledgeable, pragmatic and very cool in his approach. He understands the law, and is clear on where we stand and good at explaining things".

In Chambers 2023, clients mentioned that "Neil Swift is instructed in high-value and complicated POCA proceedings", and that he "is an exceptional lawyer."

Neil is ranked in Band 4 in Chambers High Net Worth Guide 2023 (Financial Crime: High Net Worth Individuals), with the guide noting that he "is a calm and quiet presence but has real thought leadership" and that he "is a very experienced lawyer".

In Who’s Who Legal 2022, peers said they “very much rate” Neil as a go-to business crime defence lawyer.

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.