Dionne  Gilbert

Dionne Gilbert  

Partner | Jersey

Private Client and Trusts


Dionne is a highly skilled litigator with over 20 years' experience, offering an impressive range of private client expertise to the firm's high-net-worth client base.


Dionne's work focuses on:

  • complex and cross border family matters, advising and representing clients in high-value divorce and financial remedy proceedings involving on and offshore assets; child law matters including complex relocation cases and residency matters;
  • negotiating pre-nuptial and post-nuptial agreements on behalf of clients wishing to protect pre-marital assets, and advising on the protection of family wealth;
  • civil disputes, including contractual disputes, professional negligence and personal injury as well as Landlord and Tenant issues. Dionne was involved in the leading case in Jersey on establishing the prescription period for Voisinage, a customary law doctrine;
  • contentious probate matters;
  • corporate disputes, including asset tracing and enforcement of foreign judgments;
  • criminal litigation, having appeared in a large number of high profile cases, including the first ever prosecution for money laundering in Jersey which went to the Privy Council for determination;
  • cases involving capacity issues including court appointments of Case Delegate (acting to manage the financial affairs of an individual lacking capacity - broadly speaking, the Jersey equivalent to Guardianships) in two particularly complex cases and cases involving the appointment of Tuteur to deal with a minor's property.

Business Assistant
Angela Le Bailly  
My services
Trust advisory

The role of a modern trustee has never been more complex. Trustees must satisfy the needs and desires of their beneficiaries, manage complex assets and navigate an ever-changing legal and regulatory landscape.

We know that trustees can need assistance and advice on how best to satisfy their duties and to meet their legal and regulatory obligations. We understand and have a great deal of experience in working with trustees to get ahead of any potentially difficult situation and resolve it in a way that minimises risk and conflict.

Family law

Our team has extensive expertise in all areas of family law and is known for providing a personalised, responsive service to clients.

Wills and estates

Managing wealth, asset preservation, planning for succession and inheritance, and writing wills can be a complex and difficult experience. It's important to ensure that your assets are distributed according to your wishes and that your family and/or successors are taken care of.

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We provide practical advice in plain English on all aspects of divorce and separation. We will guide you through the legal process as quickly, painlessly and cost effectively as possible.

Divorce - the basics
Grounds for divorce
Same sex marriage and divorce 
Defended divorce
Flow chart of an undefended divorce
Alternatives to divorce
Ten practical tips for getting divorced
Common questions

1 Jul 2022

Collas Crill helps raise £8k

The annual Jersey Ladies' Doubles Tennis Tournament and Lunch has raised more than £8,000 for Jersey Hospice Care. Sponsored by Collas Crill, the event took place on Saturday 9 June and started with 'round robin' matches in private courts around the Isl...

14 May 2021

Collas Crill ranked tier 1 in 2021

Collas Crill has been named in tier 1 of the 2021 eprivateclient Top Offshore Law Firms. The 2021 eprivateclient Top Offshore Law Firms rankings are based on a survey of more than fifty private client offshore law firms. The list recognises the leading...

18 Feb 2021

Wills in a COVID-19 world

An increasing number of people have sought to make Wills during the COVID-19 pandemic. Given restrictions on social interaction and physical distancing, especially for those shielding or self-isolating, normal rules on executing Wills – which rely on the...

29 Jan 2021

Private Client Global Elite

Five private client specialists from Collas Crill have been included in the Private Client Global Elite Directory 2020/21. Compiled in conjunction with Legal Week, the Directory comprises the world's most respected lawyers advising ultra high net worth ...

21 Jun 2019

Leaders in WellBeing award

Collas Crill's Jersey office has been shortlisted for the 'Giving Back Good Business' Award as part of the Leaders in WellBeing Summit & Awards 2019. The Leaders in WellBeing Awards celebrate organisations, government departments, charities and pract...

4 Jun 2019

£4000 raised for Jersey charity

Collas Crill’s Jersey office has donated over £4,000 to local charity Silkworth following an 18-month charity partnership. Silkworth, which provides safe and caring residential rehabilitation treatment for people struggling with chemical dependency, as w...

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