Martin Kelleher


Martin is a partner in our Corporate team and Head of Life Sciences. He has extensive international experience in corporate law, particularly in the ICT, Life Sciences and Financial Services sectors. Martin has acted in some of the most high-profile M&A transactions in Ireland in recent years. 

Martin’s corporate practice focuses on advising Irish and international businesses on mergers and acquisitions, venture capital and private equity transactions, reorganisations and fundraisings. 

Martin has an MBA from Cranfield University, School of Management and was a recipient of the J.P. O'Reilly Scholarship from the Law Society of Ireland. 


  • Corporate
  • Mergers & Acquisitions
  • Private Equity
  • Venture Capital
  • Life Sciences

Awards & Recognition

Who’s Who Legal: Life Sciences 2018
Recommended for Transactional

Best Lawyers
Ireland - Biotechnology Law and Venture Capital Law

Client Choice
Award for Healthcare & Life Sciences in Ireland

Representative Matters

  • Acted for the main shareholders on the sale of Sam McCauley Chemists to Cardinal Carlyle Ireland, the private equity fund established by The Carlyle Group (Nasdaq:CG).
  • Represented Information Services Corporation (TSX:ISV) on the acquisition of Enterprise Registry Solutions, a global leader in the development and implementation of registry technology.
  • Represented Sigmoid Pharma, an oral drug delivery company developing innovative therapeutics for gastrointestinal and immunological diseases, on a number of licensing collaborations, including with Dr Falk Pharma GmbH and Pendopharm, a division of Pharmascience Inc.


Chambers and Partners, 2017

"Remarkably efficient. He understands the commercial decisions and risk points."

Chambers and Partners, 2016

"A fantastic lead adviser who offers real solutions."

Speaking Engagements & Teaching

Martin is a frequent guest speaker at events and lectures on corporate law. 

Panellist at the 2016 4th Annual IBA World Life Sciences Conference, San Francisco. 


Author, Irish chapter of Licences and Insolvency: A Practical Global Guide to the Effects of Insolvency on IP Licence Agreements, published by Global Law and Business

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  • LinkedIn

Areas of Expertise

Corporate Law Mergers & Acquisitions Private Equity and Venture Capital Recent Deals Start-Up Law Company Law Life Sciences

Professional Memberships

Law Society of Ireland

MBA Association of Ireland


National University of Ireland, Cork (BCL)

Cranfield University, School of Management, (MBA)

King’s College London (Postgrad Dip in EU Competition Law)

Association of Certified Chartered Accountants (CDipAF)