Jazzmin  Le Prevost

Jazzmin Le Prevost  

Associate | Guernsey

Private Client and Trusts


Jazzmin is an Associate working in the Private Client and Trusts team in Guernsey.

"I am a natural problem solver. I love getting to the crux of a matter and helping my clients achieve the best out come they possibly can. Learning new skills or getting to know a new client along the way is an added bonus for me."


Jazzmin has experience in family and matrimonial law, as well as most general litigation matters, having worked in dispute resolution for a number of years.


Jazzmin worked at another offshore law firm for three years prior to joining Collas Crill in 2015.

She has recently completed the Solicitors Qualifying Examination and was admitted to the Guernsey Bar in November 2023.


CILEX – Graduate (GCILEX)


My services
Change of name

Changing your name in Guernsey is relatively straightforward but usually requires a brief Court attendance. We can guide you smoothly through the process.

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There is no such thing as 'common law marriage', nor are there any specific rules relating to cohabitation. On separation, the issues can become complex requiring expert guidance.

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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

Family law

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


Financial issues can be one of the more challenging aspects of divorce and separation. We provide robust, cost-effective advice on the various options available to separating parties.

Options at a glance
Finances - the basics
Flow chart of a financial application
Different types of Court order
How the Court decides who gets what
Financial dispute resolution hearings
Alternatives to Court
Common questions

Housing and immigration

If you are looking to expand of move your business offshore we can assist your company with all forms of immigration visas and permits.


On the breakdown of a marriage or relationship, either party or children may need protection. The law aims to provide immediate protection for those who need it, and if you find yourself in this position then it is essential that you act quickly. We offer expert advice and guidance in this area.

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International family law

In an ever-shrinking world, disputes involving international family law are becoming more and more common. We offer specialist legal advice in this area. 

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Judicial separation

Judicial separations are unique to Guernsey and present a quick and cost effective way of securing an agreement in relation to children and finances. We will advise and guide you smoothly through the process.

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Prenuptial agreements

While prenuptial agreements are not legally binding, they are becoming an increasingly common feature of modern-day marriage. We offer expert advice and guidance in this area.

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28 Nov 2023

Common law marriage

This article first appeared in issue 15 of the ThoughtLeaders4 HNW Divorce Magazine - Divorce Litigation Conference Edition. It is no secret that the Matrimonial Causes Act 1973 (the Law) is in need of review and reform.  Various attempts have been ...

13 Nov 2023

Advocates called to Guernsey Bar

Collas Crill Associates Amy Davies and Jazzmin Le Prevost have been admitted to the Guernsey Bar. Amy joined Collas Crill in 2022 and is an Associate in the Dispute Resolution team. Her practice encompasses a range of work, including regulatory, financia...

9 Jun 2023

The common law marriage myth

This article first appeared in issue 29 of En Voyage magazine Cohabiting couples are the fastest growing family model in the UK. According to the Census 2021, the proportion of people in a co-habiting relationship (not a marriage or civil partnership) ha...

5 Dec 2022

Common law marriage myths

A recent study by the House of Commons Women and Equalities Committee has found that the number of cohabiting couples in England and Wales is rising, with around 3.6 million cohabiting couples in 2021 compared to 1.5 million in 1996. The study also set o...

10 Oct 2022

The Bank of Mum and Dad

In times of ever-increasing property prices, parental contributions towards house purchases are becoming increasingly common. According to recent research by Legal & General, the "Bank of Mum & Dad" is now one of the UK's top ten largest lenders ...

6 Oct 2022

Travelling with children

This article was first published in Aurigny's inflight magazine, En Voyage, in October 2022. Click here to view the publication, this article is on page 75. As Covid restrictions and quarantines continue to lift, holiday planning has bounced back and fa...

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