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Russell Clark


Russell Clark heads up the trusts and private wealth team in Guernsey. He advises on both contentious and non-contentious trust and private wealth matters. He also advises private clients on succession, estate planning and family governance.

Russell was elected as a member of The International Academy of Estate and Trust Law (TIAETL) and is a member of the Association of Contentious Trust and Probate Specialists (ACTAPS).

He is also a member of the Society of Trust and Estate Practitioners (STEP), having previously been Chairman of the STEP Guernsey Branch Technical Committee and a Branch Committee member for 18 years. 

Russell is the only Guernsey lawyer to be ranked in the 'Hall of Fame' in the Legal 500 UK and as a Band One practitioner for Guernsey in Chambers HNW Guide in their latest editions. Russell has also been recognised by Best Lawyers  as one of 'The Best Lawyers in the United Kingdom' in their 2024 edition for his work in trusts and personal tax law. 

Russell has been named as one of the 2022 eprivateclient 50 Most Influential for 2022. He has also been recognised in Legal Week's Private Client Global Elite listings 2018 to 2022 and featured in the Spear's 500, 2022 and 2023 list of top private client lawyers.

Russell is also a Notary Public and advises on Guernsey, Alderney and Sark law.


Russell was admitted as a Solicitor of the Supreme Court of England and Wales before returning to Guernsey where he qualified as an advocate in 1997. He was made partner in 2001. Russell became a Notary Public in 2006.

Briefings and Articles

What our clients say

Described as "Mr Private Client". He has a real depth of knowledge but also has a great manner about him so he can put people at ease. He gives you straight answers but does it in an approachable way."

Chambers and Partners HNW

Russell Clark is “excellent on trusts” say clients. “He is a true leader. He has put his stamp on trusts work and is definitely at the very top.”

Chambers UK

"He is a very accomplished lawyer and has the very rare ability to advise on the whole panoply of Guernsey law."

Chambers UK

“At the top of his game from a fiduciary perspective; clients look to him when they have particularly complex matters that need resolving."

Legal 500

“Personable, intelligent, creative and an extremely strong communicator.”

Chambers UK