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Jolyon advises companies, institutions and individuals on a wide range of complex, high-value commercial disputes. He has particular experience in cases involving financial institutions, investment advisers and investment funds – both international and domestic – as well as disputes concerning digital assets and cryptocurrencies.

Jolyon has considerable experience in relation to civil fraud claims, where he has advised clients concerning high-value domestic and international fraud claims. This typically involves associated issues such as freezing orders and anti-suit injunctions related to those proceedings.

Jolyon has significant trial experience and has litigated many claims before the High Court, Court of Appeal and Supreme Court. Client's praise Jolyon's pragmatic and commercially-focused approach to dispute resolution. He is used to working collaboratively with clients in difficult situations, aiming to achieve the client's strategic objectives as quickly and effectively as possible.

Jolyon is ranked as a "Next Generation Partner" (Commercial Litigation) by Legal 500 and an "Up & Coming Partner" (Commercial Litigation) by Chambers & Partners.


Memberships & Accolades

Jolyon is listed as a Next Generation Partner for Commercial Litigation: mid-market in the Legal 500 2021 directory.

Jolyon is a member of the Fraud Lawyers Association.


"Jolyon Connell – I have worked with Joe for 15 years on commercial disputes and civil fraud matters. Really bright, hugely likeable but tough and a very capable negotiator." (Legal 500 2024)

"Jolyon Connell is a class act, who speaks honestly and directly, but always in a collegiate way. He is razor-sharp, and it is clear that he is a technically very gifted lawyer and would be the first port of call for a dispute." (Legal 500 2024)

"Jolyon Connell is a super partner – extremely competent, commercial, and great to work with." (Legal 500 2024)

"Jolyon Connell provides outstanding expertise, advice and service." (Legal 500 2023)

"Jolyon Connell has an extremely sharp mind, which stays on point and very quickly separates the important and relevant from the unimportant and irrelevant.’(Legal 500 2023)

"I have the utmost faith in the advice that he provides, even when it is not necessarily what I want to hear." (Legal 500 2023)

"Jolyon is an absolute delight to work with. He has a very keen legal mind combined with a practical and realistic approach."(Chambers UK 2023)

"Jolyon is an excellent person to work with - I can speak with him on a practical and realistic level, and having witnessed him in action, his intellect and ability to press a point and advance questioning are outstanding. He is concise, bright and engaging." (Chambers UK 2022)

"He has an excellent ability to explain a technical legal matter in layman’s terms, which enables us to make fully informed decisions.” (Chambers UK 2023)

"He is a good strategist who gives very commercial advice. He has a forensic mind, is a good tactician and is extremely responsive. He has a very good, analytical brain and gets into the detail very quickly." (Chambers UK 2021)

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