Matthew Mortimer is a partner in the Tax practice of the London office with more than 20 years of post-qualification experience. He has a broad practice that includes advising on the taxation of banking, corporate and structured finance transactions, as well as on debt restructurings, mergers and acquisitions and investment fund formation. In addition, Matthew represents clients in international tax planning and is a member of the Law Society’s Corporation Tax Sub Committee.

He joined Mayer Brown in 2019.



University of Bristol, LPC

University of Cambridge, Trinity College, MA

Inscriptions au Barreau


  • England and Wales


  • Member of the Law Society's Corporation Tax Sub-Committee
  • Listed under 'Other key lawyers' for Corporate Tax and VAT and Indirect Tax. Legal 500 2021.
  • Matthew Mortimer can provide guidance on a range of tax issues to corporate clients. He continues to advise on M&A activity as well as on capital markets transactions. Chambers UK 2021.
  • Ranked tax lawyer in Chambers UK 2020.