Jack Crisp

Jack Crisp 

Professional Support Lawyer | Guernsey

  • It has been a lot less painful than we expected, and I put this down to the non-confrontational approach Jack suggested.
    Client feedback
  • Seriously impressive and a great credit to the firm.
    UK counsel
  • Jack's ethic, attitude, courtesy and commitment augur well for his future.
    Client feedback


Jack is a Professional Support Lawyer in the knowledge management team in Guernsey.


Jack has varied experience on a broad range of work including: corporate and commercial disputes, construction litigation, contentious trust matters, and insolvency. As a fee earner he specialised in legal issues arising from cross-jurisdictional matters including serving documents outside the jurisdiction, forum, applications to use documents from one set of proceedings in another jurisdiction (collateral use), injunctions in support of foreign proceedings (including Mareva freezing, proprietary freezing, and Bankers Trust injunctions) and enforcement of foreign judgments.

Recent experience includes:

  • Advised the vendors of a Guernsey trustee in defending a breach of warranty claim worth in excess of £3.5 million in deferred consideration;
  • Acted for two beneficiaries of a trust in a dispute over how the trust should be divided during a significant family dispute;
  • Acted for investors in a successful attempt to exclude their sub-fund from the liquidation of a protected cell company, and extract it to a new vehicle;
  • Advised an Austrian client on enforcing a €4.5 million judgment against a Guernsey company; and
  • Advised the buyers of a local services business in an action against the sellers for breach of non-compete clauses.

Jack has a passion for problem-solving and prides himself on his direct, no-nonsense style. However, he is approachable and friendly, and prides himself on being able to discuss complex issues without legal jargon.


Jack spent three months on secondment from Collas Crill with Osborne Clarke in London, advising on acquisitions and venture capital, giving him an insight into disputes that arise around SMEs and growing businesses.

Jack qualified as a solicitor of the senior courts of England and Wales with Collas Crill and holds a Masters in Pure Mathematics, specialising in logic.

Jack was admitted to the Guernsey Bar in September 2023.

18 Jul 2022

New Guernsey charities law deadline

In April 2022, new charities legislation in Guernsey came into force, replacing the Charities and Non Profit Organisations (Registration) (Guernsey) Law 2008 which previously regulated charities and non-profit organisations (NPOs). For those involved in...

22 Feb 2022

Insolvency year in review: 2021

Welcome to Collas Crill's insolvency year in review of 2021, where we reflect on insolvency developments from last year, both within our firm and across the industry in the jurisdictions in which we operate. 2021 was another year defined by the ongoing p...

19 Aug 2021

GFSC review on reporting suspicion

The Guernsey Financial Services Commission (GFSC) has reported the results of its 2020 thematic review. The review centred around the effectiveness of the policies, procedures and controls businesses apply to reporting suspicion of money laundering and t...

15 Jul 2021

Guernsey Revenue Service new powers

The States of Guernsey today approved new legislation giving the Revenue Service significant new powers, creating new obligations in relation to international tax reporting and allowing UK taxes to be collected in Guernsey. The Income Tax (Guernsey) (Am...

16 Jun 2021

Reflective loss case summary

A recent judgment of Pilatus (PTC) Limited v RBC Trustees (Guernsey) Limited [2021] GRC012 in the Royal Court of Guernsey (the Royal Court) has confirmed that the legal principle of reflective loss does form part of Guernsey law. However, it is only appl...

14 Jul 2020

Approval of liquidators' fees

The Royal Court's latest judgment on an application to approve liquidators' fees demonstrates a strong and thorough approach to protecting creditors. Lt Bailiff Hazel Marshall QC robustly analysed the application and criticised some elements of the Liqui...

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