Mason Hayes & Curran Professional Services Ltd

Managing Partner: Will Carmody

Chair: Philip Nolan

Number of partners: 124

Languages: French, German, Italian, Portuguese, Russian, Spanish

Firm Overview

We are an Irish business law firm with 124 partners and total staff in excess of 600. We understand the challenges domestic and international organisations face in business. We assist our clients in meeting their ongoing legal and commercial imperatives through every business life cycle.

We were named ‘Law Firm of the Year: Republic of Ireland’ at The Lawyer European Awards 2025. The Lawyer European Awards recognise excellence across the European legal market and are regarded as one of the most respected honours in the industry.

Corporate social responsibility is a natural fit with the way we do business. We invest in our society and communities through a range of focused programmes.

Our locations

We have offices in London, New York and San Francisco, three of Ireland’s most important conduits for inward investment to Ireland. We have comprehensive knowledge of issues involved in investing and locating in a foreign country.

Quality approach

Our legal services are grounded in deep expertise and informed by practical experience.

We tailor our advice to our clients’ business and strategic objectives, giving them clear recommendations. This allows clients to make good, informed decisions and to anticipate and successfully navigate even the most complex matters.

Our working style is versatile and collaborative, creating a shared perspective with clients so that legal solutions are developed together. Our service is award-winning and innovative.

This approach is how we make a valuable and practical contribution to each client’s objectives.

We have profound knowledge and experience in the following sectors: Energy, Technology, Financial Services, Built Environment, Healthcare and Life Sciences.

Main Areas of Practice

Corporate: Our corporate team is recognised as a market leader, advising domestic and global businesses on a broad range of transactions. From high-growth start-ups to multinational corporations, we provide strategic counsel on some of the most high-profile, innovative, and complex deals in the Irish market.

Contact: Martin Kelleher Email: [email protected]

Dispute Resolution & Commercial Litigation: Our Dispute Resolution team has an outstanding track record in handling high-value and complex commercial disputes. We are leaders in boardroom and shareholder conflicts, intellectual property matters, regulatory investigations, employment issues, and competition disputes. We frequently advise international clients on multi-jurisdictional litigation, offering strategic guidance tailored to different legal systems worldwide.

Contact: Maurice Phelan Email: [email protected]

Contact: Gerard Kelly Email: [email protected]

Employment & Benefits: Understanding the complexities employers face across industries, our Employment & Benefits team delivers tailored solutions that empower organisations to make informed, confident decisions. Our client base spans leading domestic and multinational employers who rely on us for strategic, business-focused employment law advice.

Contact: Melanie Crowley Email: [email protected]

Financial Services & Banking: Our Financial Services team delivers high-calibre advice to domestic and international clients across acquisition and leveraged finance, asset finance, debt capital markets, project finance, and transaction restructuring. We are particularly renowned for advising private equity and corporate clients on sophisticated financing structures.

Contact: Neil Campbell Email: [email protected]

Construction, Infrastructure & Utilities: Recognised as a dominant force in the Irish market, our team has extensive experience advising on complex projects. We represent clients in all dispute resolution forums and provide commercially driven, solution-focused legal support from project inception to completion.

Contact: Rory Kirrane SC Email: [email protected]

Real Estate: Home to Ireland’s largest real estate team, we offer unparalleled expertise in structuring and executing complex property transactions. Our clients include banks, state agencies, corporates, multinationals, and institutional investors. We have deep sectoral knowledge across energy, technology, healthcare, and hospitality.

Contact: Vanessa Byrne Email: [email protected]

Contact: Michael Doran Email: [email protected]

Technology: Our Data & Technology team is the first choice for multinational tech companies, reflecting our status as Ireland’s leading advisers on technology and data privacy matters. We advise social media and search platforms, as well as high-potential start-ups, on issues ranging from early-stage funding to intellectual property management and global privacy frameworks and investigations.

Contact: Philip Nolan Email: [email protected]

Taxation: Our specialist Tax team, comprising internationally experienced professionals, provides cutting-edge tax solutions to corporate and individual clients. We focus on optimising Ireland’s tax framework as part of global tax management strategies for businesses and high-net-worth individuals.

Contact: Niamh Caffrey Email: [email protected]