Jack Deveney

Jack Deveney 

Associate | Jersey

Jack advises on both contentious and non-contentious matters, with a focus on financial services. He has particular expertise in regulatory matters, having extensive experience relating to the registration and ongoing supervision of relegated entities, as well as enforcement action. Jack also advises on commercial litigation and trust dispute matters. 

"I pride myself on providing clients with accurate and practical advice. I am driven, precise, and personable, meaning clients can be reassured that they are receiving the best possible service and support."

Experience

Prior to joining Collas Crill in 2025, Jack worked for the Jersey Financial Services Commission as a legal adviser, advising on a wide range of contentious and non-contentious conduct, prudential, and AML matters.

Background

Jack read Law at the University of London, completed his LPC at the University of Law Chester, and was admitted as an England and Wales Solicitor in March 2023.

My services
Data protection
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Data is the most valuable asset for many of our clients and data protection is a growing facet of offshore business. We have advised a number of institutional clients on their commercial obligations in terms of data security and data protection and regularly provide advice on contract terms in this difficult area. We also have significant experience in using the full range of legal remedies available to obtain access to data and information held, and so are ideally placed to advise clients on either side of the data protection equation.

Sanctions
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We provide contentious and non-contentious advice and support, primarily for local financial services businesses, in complying with sanctions and anti-money laundering regulations. Our work ranges from initial strategic advice, liaison with stakeholders including regulators, clients and investigations and prosecution authorities – to litigation, where required.

Dispute resolution
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We live in an increasingly contentious world. When your business is involved in any kind of legal dispute it's crucial to work with lawyers who are hands-on, cost-effective and flexible enough to respond quickly and intuitively to your unique situation and needs.

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Corporate disputes
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Our dispute resolution specialists collaborate seamlessly with our corporate advisory and banking teams across jurisdictions to advise multinational corporations, trust companies, banks, funds, insurers, governments and directors.

We provide a global perspective, working closely with our clients to ensure that they are best placed to respond to customer issues, fraud risks, rapidly changing market conditions and regulatory demands.

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Merger appraisal disputes
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Collas Crill’s Cayman Islands appraisal practice is headed by Partner Rocco Cecere, who is recognised as a leading practitioner in the field. Rocco’s team has significant experience in appraisal litigation.

Rocco is a member of the Grand Court’s users committee which drafted the procedural rules governing appraisals matters. The Cayman Islands merger regime is a relatively new and evolving law. Our cross-border team acts on dissenter and company side, from pre-merger stage all the way through to trial and any appeals.

Regulatory
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Our multi-disciplinary approach to providing risk and regulatory consultancy services ensures that every aspect of our clients' business is covered. By drawing on the skills and experience of a highly experienced team of lawyers with expertise from across the firm, we are able to deal with all legal compliance issues that could affect your business, whether contentious or non-contentious. The assistance we are able to provide ranges from strategic matters to specific operational issues.

Collas Crill's market-leading fraud, financial and white collar crime practice sits within our regulatory practice. Uniquely offering a mix of both civil and criminal fraud litigation experience, from internal investigations, to injunctions, to defence and enforcement, the team can lead clients through the most challenging of circumstances.

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Corporate and commercial regulatory
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Regulation and legal risk management are placing increasing burdens on companies and businesses in terms of time, costs and resources, and the consequences of getting this wrong can be severe. We can assist with all regulatory and compliance issues in Jersey, Guernsey, BVI and Cayman.

Additionally we can help with regulator investigations and visits, enforcement and remediation including representation before regulators, tribunals committees and courts. We have an excellent record in defending corporates and their directors and officers in regulatory proceedings.

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Contentious regulatory
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In regulatory disputes there are often fine lines between the usual wrangling with the regulator and something more serious – by matching our mix of experienced contentious and non-contentious lawyers to the particular problem at hand, we achieve better and more efficient outcomes.

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Banking regulation
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In the current climate of increasing regulation we understand the pressures on our clients, both from local regulators as well as international organisations. Our team of dedicated risk and regulatory professionals are on hand to assist. We act for a number of leading clearing and private banks located in our jurisdictions.