Dionne is a highly skilled litigator with over 20 years' experience, offering an impressive range of private client expertise to the firm's HNW client base. Her 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.
My services
Dispute Resolution
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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. We know that there are many different ways a dispute can be resolved and work closely with our clients to understand every aspect of their business, priorities and goals. This allows us to find the best way forward for our clients and to advise on the commercial implications of a dispute, ensuring the process remains as stress-free as possible. Our approach is practical, responsive and tailored to the client's interests. Our expertise and reputation means we're first choice for a range of clients, including banks, trust companies, high net worth individuals and top law firms.

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Wills, Probate & Estate Planning
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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 your family and successors lifestyles are maintained. We have experts in a number of jurisdictions to assist with wills, succession planning, inheritance matters and probate.

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My news & deals
News 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...

News 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...

News 29 Mar 2019

ICLG Private Client chapters

The Collas Crill Guernsey and Jersey based international private client and trust teams have collaborated with several major international law firms to produce the 2019...

News 22 Jan 2018

Jersey FA Community Programme

Law firm Collas Crill has joined up with the Jersey Football Association to sponsor its youth community programme for the next three years. Aimed at those between the ages...

News 18 Jan 2018

Collas Crill moves to Gaspé House

Collas Crill's Jersey office has moved into Grade A office space, Gaspé House. The move, that happened shortly before Christmas, saw the international law firm move into...

News 6 Dec 2017

Gaspé House

In what has been a very exciting year for our firm and, following the expansion of our Jersey office we are excited to announce that we are moving to state of the art...

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