• Advising ESAT Telecom on the takeover by British Telecom
• Advising Babcock & Brown on the tax structuring for the acquisition of Eircom Plc
• Advising on the leverage LBO of Digicel Inc
• Advising Smurfit Kappa Group on the largest ever IPO in Ireland
• Advising Fairfax on its investment in Bank of Ireland plc
• Advising Blackrock on the first ever exchange traded physical metal fund in Ireland, ishares physical metals plc.
  

Martin is a Council member and Deputy President of the Irish Taxation Institute. He represents the profession on taxation committees with industry, government and Revenue.

Chambers Global, 2011, praises Martin for his 'profound knowledge' that 'allows him to give excellent industry-specific solutions'. Chambers Europe, 2011, reports that Martin Phelan is 'a highly regarded figure in the market. He is particularly experienced in relevant aspects of M&A and restructuring transactions, and he has recently advised extensively on the migration of IP portfolios to Ireland'. Legal 500 EMEA, 2011, refer to Martin as 'highly thought of'.

Martin has written extensively on taxation topics including co-author “Taxing Financial Transactions” (Irish Taxation Institute), Transfer Pricing Ireland (IBFD) and he regularly speaks on international taxation topics in Ireland and overseas.