Colm McMullan

Director of Taxation

Area of expertise

Personal and Corporate Taxation

Professional Qualifications and Experience  

  • BSc Hons Degree in Finance from Queen's University Belfast
  • Associate of the Institute of Chartered Accountants in Ireland (ACA)
  • Member of the Chartered Institute of Taxation (CTA)

Colm joined Harbinson Mulholland as a trainee accountant in September 2003.  After qualifying as a Chartered Accountant in 2007 he went on to specialise in tax and qualified as a Chartered Tax Advisor in 2011.  Colm is responsible for managing the taxation affairs of both personal and corporate clients and has experience in both advisory and compliance tax work.  He also spent 18 months on secondment acting as an interim financial controller to a high-tech startup company and was heavily involved in the due diligence when the company was acquired by a US listed company.

  • Advising on corporate transactions (acquisitions and disposals) including tax due diligence.
  • Dealing with HMRC enquires covering corporation tax, personal tax, PAYE and VAT.
  • Capital Gains Tax planning.
  • Patent Box tax claims.
  • Capital allowance claims.
  • Research & Development tax claims.
  • Personal and partnership taxation.
  • Interim financial controller.

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