LAWYER PROFILE

Jonathan Grimes

UK 2026

Kingsley Napley LLP

Ranked in 3 practice areas

POCA Work & Asset Forfeiture

UK-wide

12 years ranked

Financial Crime: Individuals

London (Firms)

9 years ranked

Health & Safety

UK-wide

14 years ranked

About

Provided by Kingsley Napley LLP

Practice Areas

Jonathan is an experienced criminal lawyer specialising in serious and complex cases. A leader in the field of Proceeds of Crime work, he has particular expertise dealing with law enforcement applications that seek to freeze or seize assets. His business crime practice includes all areas of financial crime and regulatory matters, including corruption, money laundering, anti-competitive behaviour, insider dealing, market manipulation, and fraud, often for HNW individuals. Jonathan also represents companies and individuals during the initial police and Health and Safety Executive investigation, through to the conclusion of cases at inquests or in the criminal courts. He has extensive trial experience over many years across all areas of crime.

He acts as independent legal adviser in investigations of all kinds, many in the banking sector, attending numerous interviews with employers and regulators both in the UK and abroad. A number of his cases have involved advising individuals following requests from overseas authorities for UK assistance under Mutual Legal Assistance treaties. He is also Kingsley Napley’s Money Laundering Reporting officer.

Professional Memberships

The Law Society; Health & Safety Lawyer's Association; Proceeds of Crime Lawyers Association; and International Bar Association.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

POCA Work & Asset Forfeiture - UK-wide

Band 1

Individual Editorial

Jonathan Grimes acts for individuals and corporate clients and has notable experience contesting freezing orders. He has standout experience advising on cases with international elements.

Learn more about this team View ranking table

Financial Crime: Individuals - London (Firms)

Band 3

Individual Editorial

Jonathan Grimes deploys a wealth of experience acting for individuals in investigations led by the SFO into allegations of bribery, corruption and money laundering.

Learn more about this team View ranking table

Health & Safety - UK-wide

Band 4

Individual Editorial

Jonathan Grimes is particularly adept at advising clients on criminal matters including inquests and investigations by the HSE and police following on-site incidents and fatal accidents. He acts on behalf of private individuals and organisations.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Jonathan is one of my go-tos. He has a real expertise in AML work. I really trust his judgement; he doesn't put a foot wrong.
POCA Work & Asset ForfeitureChambers Guide to the Legal Profession
He is wonderfully able. He is also very nimble, flexible and imaginative. He is very good with clients.
POCA Work & Asset ForfeitureChambers Guide to the Legal Profession
Jonathan is clearly an experienced and highly capable individual with genuine expertise in this area.
Financial Crime: IndividualsChambers Guide to the Legal Profession
He is an outstanding attorney. Jonathan is an excellent client advocate and brilliant strategist. He is wonderful to work with and brings both creativity and practicality to his legal guidance.
Financial Crime: IndividualsChambers Guide to the Legal Profession
Jonathan demonstrated a very strong level of sophistication, he brought a good understanding of the company and the specific issues that affect it.
Health & SafetyChambers Guide to the Legal Profession