LAWYER PROFILE
Jonathan Speck

Jonathan Speck

UK 2026

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Mourant
 Mourant

Ranked in 2 practice areas

Offshore: Dispute Resolution

Jersey

21 years ranked

Offshore: Trusts

Jersey

11 years ranked

About

Provided by Mourant

UK

Practice Areas

Jonathan is a Jersey Advocate and Partner of Mourant Ozannes (Jersey) LLP, he specialises in commercial litigation, principally involving contentious and non-contentious trust cases. He has also written and lectured about these topics around the world.

In 2017, Jonathan was elected as an Academician of the International Academy of Estate and Trust Law in recognition of his contributions to the profession.

He is the firm's Senior Partner, a leadership role that entails being an ambassador for Mourant, our clients and people. He's been a partner since 1996 and served as Managing Partner of the Jersey Office and President of the Law Society of Jersey between 2014 and 2017.

Professional Memberships

Association of Contentious Trust and Probate Specialists

Society of Trust and Estate Practitioners (STEP).

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Offshore: Dispute Resolution - Jersey

Star Individuals
Individual Editorial
Jonathan Speck maintains an exceptional reputation for his work representing both beneficiaries and trustees in trust disputes.
Learn more about this teamView ranking table

Offshore: Trusts - Jersey

Star Individuals
Individual Editorial

Jonathan Speck is a standout lawyer in Jersey who is well regarded for his skill as a litigator and courtroom advocate. He is senior partner at Mourant, and is engaged in both contentious and non-contentious trusts work.

Learn more about this teamView ranking table

Strengths

Provided by Chambers

  • Jonathan Speck is the top of his field: his reputation both in Jersey and globally is virtually unrivalled.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession

  • Jonathan is an outstanding lawyer.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession

  • Jonathan has an excellent manner with clients.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession

  • Jonathan is probably the best advocate at the Jersey Bar: he's the first one you want to call.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession

  • Jonathan and Bruce Lincoln are among the best offshore lawyers out there.

    Offshore: Dispute ResolutionChambers Guide to the Legal Profession

  • You can expect Jonathan Speck to be involved in any big trust case. He is very good at managing the court.

    Offshore: TrustsChambers Guide to the Legal Profession

Ranked Individuals at Mourant (47)

Guernsey

Jersey

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