Oscar Mustard Associate

Contact details

Oscar Mustard

Oscar Mustard

T: +44 20 7809 2993 M: +44 7585 303 636 Email Oscar | vCard Office: London

Oscar specialises in complex, high value, international trust, private wealth and chancery disputes. He has experience in acting for corporate trustees, investment advisors, ultra-high-net-worth beneficiaries, dynastic families and entrepreneurs, with a particular focus on offshore litigation
  • Profile
  • Services

Oscar advises on complex trust, private wealth and chancery disputes, usually with an international element. He has particular experience acting for claimants in court applications offshore, working closely with a wide network of offshore practitioners to achieve successful outcomes for his clients. His recent offshore experience includes a successful mistake application in Jersey which deployed a number of novel jurisdictional arguments.

Oscar advises corporate trustees, investment advisors, dynastic families and entrepreneurs on breach of trust proceedings, applications to set aside transactions, pre-action disputes within the trust, investment loss cases and tax disputes. He also has experience advising fiduciaries on the impact of the Russia sanctions on the structures they administer.

Many of Oscar's cases involve taxation issues and/or dispute with HMRC and he works closely with the firm's private wealth team, as well as members of the tax bar, to advise on these aspects.

  • Private client, trusts and fiduciary services

Acting for an international trust company in multi-jurisdictional proceedings

Acting for an international corporate trustee in defending breach of trust claims in England, investigating mitigation options in Central America and pursuing a successful set aside application offshore.

Acting for an international fiduciary services company affected by the Russia sanctions

Advising a major fiduciary services company on the impact of the Russia sanctions regime on one of its most substantial structures, providing compliance advice and assisting with obtaining licences from the OFSI.

Acting for the ultra-high-net-worth founder of a foundation in an offshore set aside application

Acting for the ultra-high-net-worth beneficiary and founder of an offshore foundation in an application to set aside endowments which caused significant tax liabilities.

Acting for a dynastic family in respect of disputes within the trust

Acting for a dynastic family in respect of disputes arising from various tax and construction issues within a family trust.

More: Private client, trusts and fiduciary services

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