Kat Guillemot


Kat is an experienced and practical litigator, specialising in contentious trust, commercial disputes, personal injury claims, clinical negligence claims, wills and estate administration and contentious probate.


Kat, an English Solicitor, has over 17 years’ experience within the Jersey Legal services industry and has developed a wealth of knowledge through practicing in all aspects of litigation during this time. She also advises upon estate management and assists both local and international clients with the preparation of their Wills, the obtaining of Jersey Grants of Probate, and overseeing estate administration. With her litigation background Kat also has considerable experience in dealing with complex contentious probate matters.

Kat has secured substantial settlements for clients in a number of high value personal injury and clinical negligence claims.

Kat has also successfully represented both Plaintiffs and Defendants from a variety of jurisdictions at trial and in mediations. Most recently Kat has been involved in contentious trust, commercial and contractual claims concerning fraud, trustee/beneficiary disputes, investment losses and breach of contract. She has also recently assisted in major criminal trials before the Jersey Courts, acting for the defence in highly publicized cases involving perverting the course of justice and allegations of historic child abuse.


Kat has a basic knowledge of French and Spanish.


Kat is a keen cyclist and triathlete, training and racing with local teams, Velo Sport Jersey and the Jersey Triathlon Club. Having completed two Olympic Distance Triathlons, Kat is currently training for her first Half Iron Man event. The hours of training also allow her to enjoy her passion for good food and wine without too much guilt!


27 Hill Street, St Helier, Jersey JE2 4UA
T +44 (0)1534 713 110
E info@prestonlegal.co.uk