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David  Jeffery

David Jeffery  

Senior Associate* | Guernsey

Dispute Resolution

  • Friendly and easy to deal with
    Client feedback
  • Tactically astute, someone you want on your side
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David is a Senior Associate in our Guernsey Dispute Resolution Team, with over 15 years' experience of general litigation, with a particular focus on contentious wills and estates, as well as high value personal injury and complex medical negligence actions.

David advises on all aspects of contentious wills and estates matters, including claims for financial provision under the Inheritance (Guernsey) Law, 2011, challenges to the validity of a Will on the grounds of undue influence, lack of testamentary capacity and want of knowledge and approval, and also contested executorship applications.

His personal injury and medical negligence practice sees him accept instructions from both Plaintiffs and Defendants, and has represented some of the largest insurers in the UK. He has a particular focus on high-value RTAs, complex brain injury and birth defect/traumatic birth cases.

David is also admitted as solicitor of the Eastern Caribbean Supreme Court in the territory of the Virgin Islands, where he has been heavily involved in providing assistance to our BVI Dispute Resolution Team in a number of significant medical negligence cases being litigated in the BVI High Court.

"a lawyer who knows how to win"


Obtained significant damages for multiple Plaintiffs injured in RTAs on Guernsey's roads.

Won six-figure damages for a Plaintiff following a lifting type accident at work.

Obtained damages in excess of £500,000 for a labourer who sustained brain injuries following a fall from height at work.

Successfully litigated the first case to come before the Royal Court of Guernsey alleging 'undue influence' in respect of a lifetime transfer [see Hitchins v Hill, 2011].

Defended a widow against allegation of undue influence and lack of capacity concerning her late husband's Will.

David is one of Collas Crill's most experienced 'mediators', having appeared for clients at mediation many times, in multiple jurisdictions, in both contested probate and medical negligence actions.



David graduated from the University of Nottingham Trent and completed the Legal Practice Course at the College of Law, Guildford. He went on to train with leading regional firm, Thomson Snell & Passmore, qualifying as a solicitor of England & Wales in 2004. During his training, David undertook extended seats in the firm's complex medical negligence and brain injury team.

David is also admitted as solicitor of the Eastern Caribbean Supreme Court in the territory of the Virgin Islands.

In his spare time, David is an avid golfer playing off a 3 hcp. He is a Past Captain and Past President of his golf club.


APIL (Association of Personal Injury Lawyers)

*admitted in England and Wales

* Business Assistant
Debbie Anderson

Debbie Anderson

My services
Contentious Wills, Estates & Probate

We provide fast, cost-effective and sensitive advice on all manner of will related disputes during what is often an extremely upsetting and distressing time for those concerned. We regularly act on multi-party actions for both plaintiffs and defendants.

Dispute Resolution

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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