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Orla Riddell

Orla Riddell

Tax Partner oriddell@byrnewallace.com +353 1 691 5426
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Orla Riddell is a Tax Partner at ByrneWallace LLP specialising in corporation tax and working across a broad range of sectors.

Orla is a dual qualified solicitor and tax advisor. She has several years experience working within a Big 4 practice advising clients on all aspects of taxation law, with a particular expertise on clients in the technology, pharmaceutical and retail sector. 

Orla has also previously led the tax function of a large multinational retailer in Ireland covering all aspects of Irish tax, including corporation tax, transfer pricing, VAT and property transactions. Having worked in industry, Orla is very familiar with the commercial and operation challenges that face her clients from a tax perspective. 

Recent Experience

Orla has significant experience in advising on the following:

  • International tax planning for clients in light of the changing tax landscape
  • Tax implications of M&A transactions and restructurings
  • Financing structures including the use and treatment of interest from a tax perspective
  • The tax treatment of domestic and cross-border transactions in a number of industry sectors
  • Supporting clients in correspondence with Revenue to include Revenue audits, applications and disputes
  • Initiating appeals process for clients and supporting them with the TAC (Tax Appeals Commission) Process


  • BA Law and Accounting, University of Limerick (First Class Honours 1.1)
  • Qualified Tax Consultant, Irish Taxation Institute
  • Qualified Solicitor, Law Society of Ireland 


  • Law Society of Ireland
  • Irish Taxation Institute