Mark McGarry

Consultant, London

Mark McGarry

Mark possesses particular expertise in transactional tax matters, with a twin focus on corporate tax and on direct tax for the not-for-profit sector.

A considerable proportion of Mark’s work involves international tax solutions. Mark works very closely with Nexia firms in all parts of the world with regard to cross border issues. This work often involves Mark acting as lead adviser on a project, using his knowledge and expertise and liaising with specialists in various countries to advise the client in one report on the global tax, accounting and other implications and on solutions to the relevant issues arising on the project.

Mark has considerable experience of dealing with livery companies, charities and their subsidiaries. He has advised on many of the firm’s direct tax initiatives for such clients.

Mark is a regular contributor to our firm’s publications and presents at seminars and other events, explaining tax issues to various audiences.

Mark has been a member of the firm’s Tax Department in London since 1985, having qualified as a Chartered Accountant in 1984 with another medium-sized firm. He was made a partner in 2007 and became a consultant in 2024.

Key experience

  • Advising on mergers, acquisitions and other corporate restructuring,
  • Structuring new business ventures (whether trading or investment),
  • Advising on cross-border issues for companies, their shareholders and employees,
  • Maximising UK tax incentives, such as research and development credits, and tax reliefs,
  • Advising on tax efficient fundraising and structures for charities, as well as advising more generally on direct tax and Gift Aid issues.


Mark is married with a son and a daughter. He enjoys sport, particularly football, rugby, hurling and Gaelic football. Mark is always in the mood for humour or a good laugh whether it be chatting with colleagues/friends or watching Michael McIntyre on TV or a Tommy Cooper DVD.