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Piers Master, Partner

Piers advises on a full range of personal tax, trust, succession and estate planning matters for international and UK clients, with a particular focus on the ultra high net worth international sector.


Piers advises on a full range of international and UK personal tax, trust, succession and estate planning matters. He acts for some of the firm's largest private clients and heads the International Group of our Private Wealth Sector.

Piers acts for high net worth individuals from across the world, including US nationals living in the UK or with financial interests in the UK. He is very well known for his work with Middle Eastern and Russian clients, where he acts for many ruling family members and billionaires – many of whose families have US links. In addition he acts for a significant number of UK based clients including entrepreneurs and owners of landed estates.

Piers has extensive experience of providing joined up tax and immigration advice for clients looking to come to the UK under the Tier 1 (Investor) route, and works closely with our dedicated immigration team in this area. Piers is a Visiting Professor at the University of Law and a regular speaker in the UK and internationally on matters of private client interest.

Piers is admitted to practise in England and Wales.


  • Advising a prominent international family with US citizen children on the establishment and administration of a global private trust company structure with very substantial assets, where managing US issues was of paramount importance.
  • Advising several large families on US/UK estate planning exercises, including consideration of transferring assets to lifetime trusts to optimise availability of the various US and UK reliefs.
  • Regular advice on the US/UK estate tax treaty.
  • Advising on the establishment of dual qualified US/UK charities.