Mark Quealy
Partner
Mark is a Partner in William Fry’s Corporate Department.
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- Dublin - Head Office

Mark is a Partner in William Fry’s Corporate Department. His practice consists primarily of transactional corporate engagements, including mergers and acquisitions, private equity and venture capital investment transactions (acting both for investors and for companies raising funding), and corporate restructurings. He also has significant experience in the use of partnership and limited partnership structures, both in private equity fund establishment and also in certain joint venture scenarios where they can offer advantages to particular categories of investor.
Notable recent transactions include advising:
- Six Nations Rugby on a significant minority investment by CVC.
- Nordic Aviation Capital, the world’s largest lessor of regional aircraft, on all Irish corporate aspects of its ongoing debt restructuring.
- Pro Rugby Championship (now trading as United Rugby Championship, and previously as Guinness Pro14) on a significant minority investment by CVC.
- Elavon Financial Services, and its parent company U.S. Bank N.A., on several M&A matters, including the acquisition of the Sage Pay group (now rebranded as Opayo) from The Sage Group plc; as well as advising on various post-acquisition integration/restructuring transactions and general corporate and structuring matters.
- Life Sciences Partners, the leading European healthcare investor, on a variety of equity investments in Irish medtech and therapeutics companies, including Neurent Medical, OneProjects Design Innovation, Atlantic Therapeutics and Vivasure Medical.
- Citigroup Global Markets in relation to its responsibilities under the Irish Takeover Rules (as financial advisor to funds managed by Clayton Dubilier & Rice (CD&R)) , in the context of CD&R’s £2.8 billion recommended all-cash offer for UDG Healthcare plc.
- Ireland’s National Treasury Management Agency on a number of limited-partnership investments by The Ireland Strategic Investment Fund in various private equity fund structures.
- Atlantic Bridge Ventures on a number of initial and follow-on growth capital equity investments into various portfolio companies, including HiLight Semiconductors and Fieldaware Group, as well as a number of earlier-stage investments by its affiliate the University Bridge Fund.
- International Consolidated Airlines Group (IAG) on its €1.4bn recommended all-cash offer for Aer Lingus Group plc
Ranking & Recommendations
2023 Chambers Europe
“Mark Quealy is a safe pair of hands and a pleasure to work with, he really delivers great results.”

2022 IFLR 1000
Mark is ranked as Highly Regarded in IFLR 1000 for Corporate / M&A.

2022 Legal 500 EMEA
In the corporate team, Mark Quealy and Máire O’Neill consistently deliver and are very responsive to our needs both in terms of clarity of advice and timeliness of providing it. They are representative of our general experience in our broader engagement with the firm. Mark and Máire bring a wealth of relevant experience to our engagement. They are thoughtful in formulating their advice and always operate to the highest professional standards whilst also bringing important and valuable insights gained from their wider experience.

2021 Chambers Global
Mark "is very thorough, organised and available," clients say.
2021 Legal 500 EMEA
Mark "is really impressive, walking away with the respect and admiration of the international deal team and more instructions from the UK lawyers."
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Feb 2022

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Mark Quealy
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Nov 2021
IVCA data highlights positive outlook for start-ups and early stage companies.

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Mark Quealy
Announcement
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Aug 2021

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Mark Quealy
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May 2021

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Mark Quealy
Article and Insights
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Dec 2020
At a virtual CounselConnect Conference over 150 in-house legal counsel from across...

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Mark Quealy
Article and Insights
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Jun 2016
IAA introduces regulatory and registration requirements for drone users, as increa...

Partner
Mark Quealy
Article and Insights
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Nov 2012
A recent Commercial Court judgment has explored the tests which must be met before...

Partner
Mark Quealy