Mark Quealy

Partner

Mark is a Partner in William Fry’s Corporate / M&A Department.

Mark Quealy

Mark is a Partner in William Fry’s Corporate / M&A 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.  Mark also has significant experience in the use of partnership and limited partnership structures, both in private equity fund establishment and in joint venture and project financing scenarios.

Notable recent transactions include advising:

  • Grant Thornton Advisors LLC (US) and New Mountain Capital on the combination of the US-based Grant Thornton advisory business with Grant Thornton Ireland’s advisory and tax practice.
  • Mitsubishi Electric Corporation on a number of recent Irish transactions, including its acquisition of data centre services company Crystal Air and its acquisition of elevator servicing business Ascension Lifts.
  • Polaris Partners and Elevate Medical on leading a US$120m equity investment round in Irish medtech company FIRE 1.
  • TowerBrook Capital Partners on a significant investment in Let’s Get Checked, used to fund Let’s Get Checked’s acquisition of Truepill.
  • Copenhagen Infrastructure Partners (CIP) on its investment in Greengate Biogas, a biomethane project developer focused on the establishment, construction and operation of a platform of bioenergy plants across the island of Ireland.
  • Hamilton Beach Brands on its acquisition of HealthBeacon plc out of examinership, through a scheme of arrangement sanctioned by Ireland’s High Court.
  • The British & Irish Lions on the appointment of Andy Farrell as Head Coach for the 2025 Lions Tour of Australia.
  • U.S. Bank Europe (then trading in Ireland as Elavon) on the first ever inbound cross-border conversion into Ireland effected pursuant to the 2019 EU Mobility Directive.
  • Nordic Aviation Capital, the world’s largest lessor of regional aircraft, on all Irish corporate aspects of its US$6.8bn debt restructuring and related emergence from Chapter 11 protection following a significant debt-for-equity exchange.
  • Six Nations Rugby on a significant minority investment by CVC, and ongoing governance matters.
  • EQT Life Sciences, the leading European healthcare investor, on various equity investments in Irish medtech and therapeutics companies, including Neurent Medical, Luma Vision 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 £2.8bn recommended all-cash offer for UDG Healthcare plc.
  • International Consolidated Airlines Group (IAG) on its €1.4bn recommended all-cash offer for Aer Lingus Group plc.
2026 Legal 500 EMEA
2026 Chambers Global
2025 Chambers Global
2025 Chambers Europe
2025 IFLR 1000

Practice Areas

Joint Ventures
Venture Capital & Venture Debt
Private Equity
Pharmaceuticals & Biotechnology
Healthcare
Medical Devices & Technologies
Corporate / M&A
Takeovers

Related Sectors

Life Sciences, MedTech & Healthcare 
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Article and Insights

Irish Venture Funding Rebounds in Q3 2025 as International Investors Return

Venture capital funding into Irish technology SMEs rose by 8% to €207.9m in the third quarter of 2025 compared to the same period last year.

Mark Quealy
Partner
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Article and Insights

William Fry Advised Interpath as Examiner of Wellman International Ltd

This facilitated the company's exit from examinership and the retention of the majority of the jobs within the business.

Ruairi Rynn
Partner
Ruairi Rynn
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Article and Insights

Venture Capital Funding Falls to Lowest Level in a Decade

Venture capital investment into Irish SMEs dropped to its lowest level in ten years in the second quarter of 2025.

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Partner
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Article and Insights

William Fry Advises on Financing of Pandox’s Acquisition of Dalata

William Fry LLP is pleased to have acted for DNB Bank ASA as lender to Pandox in respect of the €1.4bn offer for Dalata Hotel Group plc.

Ronan Shanahan
Partner
Ronan Shanahan
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News

William Fry Advises Endless LLP on Irish aspects of sale of K.T.C Edibles Group

This cross-border transaction highlights William Fry’s experience in advising on complex international deals involving Irish regulatory and corpora...

Mark Quealy
Partner
Mark Quealy
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Article and Insights

€532.8 Million VC Investment Marks Strong Start to 2025 for Irish Tech SMEs

Mark Quealy
Partner
Mark Quealy
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Article and Insights

Sector Watch: Pharma, Medical & Biotech in Ireland’s M&A Market

Ireland's life sciences sector remains a key driver of M&A activity, with strong investor interest in pharma, biotech and healthcare.

Carol Eager
Partner
Carol Eager
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Article and Insights

Record-Breaking €1.48 Billion VC Investment Fuels Irish Tech SMEs in 2024

Mark Quealy
Partner
Mark Quealy
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Article and Insights

Private Equity – M&A Review 2024

Private equity investors continue to be a major presence in the Irish M&A market.

Mark Quealy
Partner
Mark Quealy
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Press Release

William Fry advises Mitsubishi Electric on acquisition of Crystal Air

William Fry was pleased to advise Mitsubishi Electric on its recently announced agreement to acquire Crystal Air.

Mark Quealy
Partner
Mark Quealy