Anthony is Head of Dispute Resolution in Guernsey.

Anthony is an experienced trial and appellate advocate. He has significant experience in many areas of corporate litigation and dispute resolution. Anthony has a particular expertise in high value and complex commercial litigation, with particular focus on investment fund disputes, regulatory enforcement, contentious insolvency matters, asset-tracing and recovery work, and trust litigation.

Anthony qualified as an Advocate of the Royal Court of Guernsey in 2012. Anthony is also admitted to the roll of solicitors of England and Wales (non-practising) and as a solicitor of the Supreme Court of Queensland and High Court of Australia.

He is a member of R3, INSOL International, the Insolvency Practitioners Association, and the Association of Restructuring and Insolvency Experts.

Anthony was named as a ‘Leading Individual’ in The Legal 500 UK 2021. Anthony is described as having “an impressive set of communication skills which, together with his solid knowledge of the law, helps the client to navigate the minefields of any litigation”. Clients praise Anthony as “a first-rate advocate” who “has an outstanding reputation” on island and leads Appleby´s “very strong team with “calm and cool-headed strategic thinking”. Legal 500 go on to say that “the team has a diversity of experiences and can offer a range of perspectives and is willing to think out of the box.”

Anthony was regarded as a ‘Notable Practitioner’ by Chambers UK 2020 attracting plaudits for his “logical, thorough and tenacious approach” and for being “excellent, very experienced with good general knowledge of commercial law”. According to the same directory “he has attained significant experience appearing before the Royal Court and the Court of Appeal in areas including investment fund disputes, asset tracing and multi-jurisdictional litigation.”


Anthony’s experience includes:

  • Advising and acting in Aareal Bank AG v JJW Limited, at first instance [2020] GRC 046 and on appeal [2021] GCA 021 which involved the first reported case in Guernsey concerning a contested compulsory winding up application.
  • Acting for the successful Defendant in Rusnano v CRGF, proceedings before the Royal Court of Guernsey to terminate a Limited Partnership involving Russian parties and allegations of fraud.
  • Acting in Rusnano Capital v Molard International [2019] GRC011 and in the Guernsey Court of Appeal [2019] GCA077, which involved the question whether a sole beneficiary of a discretionary trust can call for distribution of the trust assets under Saunders v Vautier where the protector has a power to add further beneficiaries.
  • Advising HSBC on the transfer of their banking business in Guernsey pursuant to a scheme of arrangement as part of a wider restructuring of the banking business in the UK. This was the first court sanctioned scheme of this kind in Guernsey.
  • Winning an appeal to the Guernsey Court of Appeal on behalf of a Trustee in relation to an application by a beneficiary to terminate the trust. This is the leading decision in Guernsey with respect to the application of the common law rule in Saunders v Vautier.
  • Winning an appeal to the Guernsey Court of Appeal on behalf of a Beneficiary in relation to an application to set aside various dispositions into trust. This is the leading decision in Guernsey with respect to the rule in Hastings Bass.
  • Winning an appeal to the Guernsey Court of Appeal in relation to the scope and applicability of Directors’ indemnities. This case created new law in relation to the presumptive basis on which Directors take the benefit of indemnities contained in the Articles of Association.
  • Appearing as trial advocate successfully representing a beneficiary of a trust in relation to a claim that certain trust assets be distributed to her. This case is the leading financial crime decision in Guernsey with respect to the scope and applicability of suspicious activity reports and the statutory “no consent” regime.
  • Appearing as trial advocate representing a former senior executive of a Russian State Owned Investment Group defending claims of fraud with respect to the ownership of an LP. The trial involved extensive cross examination of multiple factual and expert witnesses. The decision has been reserved.
  • Obtaining a freezing injunction and wide ranging disclosure orders as part of a worldwide claim arising out of complex and high value litigation in the UK.
  • Obtaining an administration order in in respect of a number of Guernsey investment companies, forming part of a wider UK property holding structure, as part of a plan of restructuring to rescue the group as a going concern. The reorganisation involved the proposed restructuring of a secured loan facility in excess of £700million, and the managed disposal of an extensive portfolio of UK commercial real estate assets.
  • Appearing for the acquirer in relation to the successful CAN$775million takeover of the NYX Gaming Group by way of contested scheme of arrangement.
  • Acting for a global bank in connection with claw back claims instituted by the US Trustee of Madoff and the Liquidators of Fairfield.
  • Acting on behalf of a number of Guernsey financial services businesses in connection with regulatory enforcement action for breaches of AML / CFT legalisation including advising with respect to compliance issues and remediation projects.



University of Queensland (Australia)

Université de Caen (France)

“Anthony is excellent in conference with clients and external counsel and also has a good presence in a courtroom.”

The Legal 500 UK


7 Dec 2020 | News

Appleby instructed on Arcadia Group administrations, obtaining recognition of UK officeholders

Leading global offshore law firm Appleby have acted in Jersey, Guernsey and the Isle of Man for the ...

24 Nov 2020 | News

Appleby Strengthens and Expands Dispute Resolution Team in Guernsey

Leading offshore law firm Appleby is delighted to welcome Ryan Courtney to the Guernsey team.

11 Nov 2020 | News

Canargo Limited – In Liquidation: Royal Court guidance on liquidators’ applications for directions

In October 2020, the Royal Court handed down helpful guidance on the principles applicable to direct...

22 Jul 2020 | News

Appleby instructed on Monsoon and Accessorize administrations, obtaining recognition of UK officeholders

Leading global offshore law firm Appleby have acted in Jersey, Guernsey and the Isle of Man for the ...

26 May 2020 | News

Appleby advises Standard Chartered Trust (Guernsey) Limited on the cessation of its business in Guernsey

Appleby’s Guernsey dispute resolution team represented Standard Chartered Trust (Guernsey) Limited...

Contributors: Jarrad Knoetze
29 Jul 2019 | News

Appleby sponsors Compliance & Economic Crime Symposiums in Jersey and Guernsey

Appleby are pleased to be the platinum sponsor for both the 15th Annual Compliance & Economic Crime ...

Contributors: Richard Field, Jared Dann


30 Jul 2021 |

Fighting international fraud

First published in New Law Journal, July 2021. Appleby partners Anthony William and Jared Dann an...

Contributors: Jared Dann, Claire Corkish
23 Feb 2021 |

Fit and Proper in the Channel Islands – A Regulatory Enforcement Update

It is sometimes easy to forget with all that has happened over the last 12 months that there was a w...

19 Mar 2020 |

Changes to Guernsey’s Corporate Insolvency Law and the Winding Up of Foreign Companies

January 2020 saw the States of Guernsey pass of the Companies (Guernsey) Law, 2008 (Insolvency) (Ame...

17 Feb 2020 |

Reflections on The "Combatting and Investigating Financial Crime" Seminar

Appleby recently hosted a breakfast seminar on practical experiences of combatting and investigating...

28 Jun 2019 |

Internal Investigations - Evidence for the Prosecution

Sophisticated organisations are frequently required to undertake internal investigations. These can ...

24 Jun 2019 |

Offshore Company Petition Filings and Court Orders – current trends 2019 and review of 2018

Our latest Appleby report provides a snapshot of the petition filings and resultant court orders in ...

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