Private client, trusts and tax in Isle Of Man


The team at DQ handles regular instructions concerning trust restructuring and terminations, succession planning, right-to-information requests, and philanthropic matters. International tax investigations and tax information exchange agreement matters are further strong points for the practice, with Annemarie Hughes being a leader in this field. The firm has a solid contentious trust offering with Hughes and Tara Cubbon often receiving referrals from UK firms to represent trustees in complex cross-border trust disputes.

Practice head(s):

Annemarie Hughes; Donna Matthews


‘Quick service, knowledgeable on topics.’

‘The team have a wide knowledge and are able to provide all-round advice to cover all aspects of a matter.’

‘The team are also very approachable and easy to deal with. They are eager to assist and assist in providing the best solutions for clients.’

‘The team are friendly and approachable and are happy to take calls and provide guidance when required. This willingness to assist often leads to engagement for full advice.’

‘Annemarie Hughes has a pragmatic view and provides solid, practical advice and guidance. She assists on finding the most effective solution to issues that have been raised.’


The establishment of private family trust and foundation structures for high-net-worth individuals is a particular strong point for the practice at Simcocks which is headed by Phil Games. Associate Caroline Jennings’ family practice also advises on private client matters, particularly will and estate management. The firm advises beneficiaries and trustees on issues regarding trust administration, variation of trusts and applications to remove trustees from office. Trust disputes are another area of expertise, and the team is often instructed by UK law firms, banks and insurance companies on probate issues concerning assets held within Manx trusts. Christopher Arrowsmith, who was active in trust litigation, has been appointed as Deputy High Bailiff.

Practice head(s):

Phil Games

Other key lawyers:

Caroline Jennings


Appleby provides high-net-worth individuals, institutional trustees, banks and family offices with the full range of contentious and non-contentious trust and estate advice. Faye Moffett handles mandates including trust consolidation, succession planning and sub-trust establishments, while Mark Holligon advises both trustees and beneficiaries in trust disputes and trust terminations. The contentious offering is further enhanced with associate Erin Trimble-Cregeen , who acts on a broad range of multi-jurisdictional disputes alongside Holligon. Previous practice head David Pytches recently left the firm for Walkers in Grand Cayman.

Practice head(s):

Faye Moffett; Mark Holligon

Other key lawyers:

Erin Trimble-Cregeen


Solid, flexible and responsive

Combines remarkable experience with a very strategic approach

Very professional and competent

Erin Trimble-Cregeen has a great intellect and is adept at taking in all angles for a practical solution

Key clients

Estera Trust (IOM)


Zedra Trust Company (Isle of Man)

LJ Skye Trustees

Dominion Fiduciary Services (Switzerland)

Work highlights

  • Advised Dominion Fiduciary Services, the new trustees of an Isle of Man trust, on attempting to force the former trustees to hand over the books, records and trust assets. The High Court found in favour of the client.

Advocate John Rimmer Limited

Advocate John Rimmer Limited is the leading private client boutique in the Isle of Man, focusing on estate planning and wills, establishing and administering trusts and foundations and the establishment of charities and not-for-profit corporate entities. John Rimmer advises a client list which includes family offices, private clients, trustees, enforcement agencies and government entities.

Practice head(s):

John Rimmer

Callin Wild

Callin Wild has a developing private client offering under the leadership of associate Marc Furness. The practice handles the full range of administrative issues including trust drafting work, trustee changes, the winding up and restructuring of trusts, probate and estate management. The firm also acts on behalf of HNWIs for family law and matrimonial proceedings concerning significant sums. Furness also notes a particular interest in mental capacity issues.

Practice head(s):

Marc Furness

Long & Humphrey

Long & Humphrey has a strong contentious trust offering, with recent mandates including contentious will and probate issues and instructions involving the removal and replacement of trustees. Founder Mark Humphrey is active in this field, while also offering expert advice concerning succession planning, trust restructuring, deeds of variation and the establishment of charities and foundations. The practice is also noteworthy for advising high-net-worth individuals on relocating to the Isle of Man. Senior associate Catherine Gilmartin assist Humphrey in many areas of the aforementioned as well as handling her own estate planning work.

Practice head(s):

Mark Humphrey

Other key lawyers:

Catherine Gilmartin