Michael Cashman

Michael Cashman



Michael is a partner in Dorsey’s Tax Group. Michael is a dual qualified solicitor and a chartered accountant. He has extensive experience in both UK and international tax matters. Michael’s practice spans general corporate tax advice, transactions and corporate tax planning. He has wide experience designing both UK and cross-border tax efficient structures (particularly UK/US tax planning) and share incentive arrangements for both large organizations and startups. Michael’s experience includes a significant amount of M&A transactional work, especially in the technology and digital media areas, and also tax planning advice to entrepreneurs and entities both in the UK and cross-border. In Chambers 2019 Michael is listed as a “Leading Individual” in the area of corporate tax and praised for his “ability to understand the wider issues not just the technical legal ones”. Michael also “receives widespread praise for his corporate tax expertise, particularly his international capabilities.” Clients note that he is "conscientious and would explain the complex areas to us in terms we understood.”

Education & Admissions

Macquarie University in Sydney (LL.B., 1985)

Macquarie University in Sydney (B.Ec. (Bachelor of Economics), 1985)


  • England & Wales


Representative Experience

  • Advising a number of US corporations on the structuring of a tax efficient reorganisation prior to their listing on AIM, including advice on restructuring their employee share incentive arrangements.
  • Acting for Langholm Capital on the financing and acquisition of Tyrells Potato Crisps.
  • Advising the management team of Alexander Mann Solutions Ltd . in connection with the sale of the company for US$1.2 billion to OMERS Private Equity.
  • Advising the founders of skincare specialist, Dr Organic Ltd, in the sale of the company to the Carlyle Group portfolio company, NBTY Inc, in a transaction valuing Dr Organic at £110m+.
  • Advising Quindell Plc on the £640 million sale of its legal services division.
  • Advising Communications Test Design, Inc. a global telecoms repair and logistics company, headquartered in Pennsylvania, on its $107m acquisition of the repair services arm of UK quoted, Regenersis PLC.
  • Advising Optum Health on its investment in an NHS “Accountable Care Organisation” with a group of GP’s.
  • Advising the shareholders of Portland PR on the sale of a majority stake to Omnicom Group.
  • Advising a major US/European Group on a tax efficient reorganisation of its European operations.
  • Advising on the tax aspects of a number of private company acquisitions and disposals in the technology sector, including pre-sale planning and structuring earn outs.
  • Advising a Jersey based private equity fund on the tax efficient structuring of investments in various European countries.
  • Advising on the structuring and establishment of a worldwide joint venture for the exploitation of music publishing rights.

News & Resources


UK IR35 – Important Changes From 6 April
UK Government Assistance for Businesses in the COVID-19 Crisis
UK Government Assistance for Businesses in the COVID-19 Crisis
Major Changes to IR35

News & Press Mentions

Dunstan Thomas Group Limited Sale to Curtis Banks Group PLC
Dorsey Represents Dunstan Thomas Group Limited in Sale to Curtis Banks Group PLC
Dorsey Advises PIB Group on Acquisition of Alto Insurance Group
Dorsey Advises Shareholders of UK Law Firms O’Neill Patient and Grindeys Solicitors on the Sale to Inflexion Private Equity
Chambers UK 2019 Ranks Dorsey Practices and Lawyers
Dorsey Advises Alexander Mann Solutions on Sale to OMERS Private Equity for US $1.1 billion
Dorsey Represents Energy Helpline and UK Web Media Founders in Creation of Comparison Technologies
Chambers UK 2018 Ranks Dorsey Practices and Lawyers
Chambers UK 2017 Ranks Dorsey Practices and Lawyers
Chambers Global 2016 Recognizes Dorsey Partners Khadavi, Barry, Carpanini, Cashman, and Vaughan
Chambers UK 2016 Ranks Dorsey Practices and Lawyers
Dorsey & Whitney Represents Entone in Acquisition by Amino
Dorsey & Whitney advises Quindell Plc on £637M+ Sale of its Professional Services Division
Chambers UK 2015 Ranks Dorsey Practices and Lawyers
Tax Expert Michael Cashman Joins Dorsey’s London Office

Professional & Civic

Professional Achievements

  • Fellow of the Australian Institute of Chartered Accountants
  • Associate of the Institute of Chartered Accountants of England and Wales


Chambers UK Leading Individual 2019 UK Chambers 2018 Michael Cashman  undefined  Ranked in Chambers Europe 2015 - Leading Individual

Ranked in Chambers Global 2015 - Leading Individual

  • Recommended for Corporate Tax by Legal 500
  • Named as a Leader in the field of Corporate Tax by Chambers Global, 2014-2015, 2018
  • Named as a Leader in the field of Corporate Tax by Chambers UK, 2014-2019
  • Named as a Leader in the field of Corporate Tax by Chambers Europe, 2014-2015, 2018
Michael Cashman