Established in 2024 and leveraging the expertise of co-founder Niamh Gibney, a highly reputable commercial practitioner, GIBNEY HOGAN LLP is a boutique commercial law firm showcasing strong expertise across the full spectrum of commercial law, including corporate law, M&A and commercial contracts.

A&L Goodbody LLP remains at the forefront of corporate M&A work, demonstrating ‘unparalleled’ expertise in private and public transactions across the tech, infrastructure, pharma, renewable energy, engineering and financial services sectors. The group is jointly spearheaded by Richard Grey, a leading practitioner across M&A, shareholder arrangements, restructurings and corporate governance; and Alan Casey, an expert in corporate transactions, advising across the full spectrum of M&A, governance and equity capital market issues. Other significant members of the group who exhibit strong experience across the corporate and M&A space are Darran Nangle, ‘stand-out partner’ Richard Marron, ‘outstanding professional’ Stephen Quinlivan, M&A specialist Eoghan Browne, Laura Kennedy, who ‘manages the client relationship and service delivery superbly’. and the ‘exceptional’ Eoin Shiel.

Commended as ‘diverse, approachable, and easy to work with’, Arthur Cox offers a ‘high quality of technical advice, combined with sensible commercial advice’ across the full gamut of corporate and M&A mandates, from general advisory work to advising clients on public and private M&A, private equity issues, reorganisations, and corporate governance. Geoff Moore is well reputed for his depth across M&A, corporate finance and private equity mandates, while Cian McCourt stands out for his proficiency in equity capital markets, corporate finance, and public and private transactions. Maura McLaughlin’s practice covers complex cross-border transactions and high-profile takeovers. The ‘exceptionally sharp’ Connor Manning, corporate and securities law specialist Stephen Ranalow, renewable energy and finance sector expert Amy McDermott, Kylie Dollard, who also handles corporate governance work, and David Vos are all well-known and experienced corporate and M&A practitioners. Sinead Crowley and Golda Hession are highly skilled associates.

Dentons Ireland LLP acts on the entire scope of corporate and M&A mandates and is regularly turned to by clients in the infrastructure, tech, energy, real estate, hospitality, private equity, telecoms and asset management spaces. The group is jointly spearheaded by Shane O’Donnell, who is a highly experienced corporate practitioner who is well versed in handling domestic and international mandates, alongside Eavan Saunders, who leverages deep experience in cross-border M&A deals. Garrett Hayes is a key contact for private equity sponsors, management teams and portfolio companies.

Described as ‘knowledgeable, personable and professional’, Mason Hayes & Curran LLP showcases strong expertise across M&A work, private equity matters, public company transactions, reorganisations and partnership structures. Practice head Martin Kelleher has deep expertise in high-profile and complex M&A transactions in Ireland and internationally, while Wendy Hederman is skilled in the digital advisory space, frequently advising global tech companies and start-ups on contractual issues and compliance with EU laws. Adept in healthcare related mandates is Robert Dickson, who is well-equipped to cover the full range of corporate mandates. While David O’Donnell is a key port of call for corporates and entrepreneurs, Conall Geraghty leads the start-up and fast growth companies team.

Fielding an team showcasing a ‘genuine interest in the client’s business goals and objectives and the broader client industry’, Matheson LLP is well-placed to act on a range of high-profile transactions, including public M&A and private capital work; the practice also has an established financial institutions group which maintains a strong reputation with regulated financial clients. The group is jointly spearheaded by David Fitzgibbon, who is an expert in corporate and securities law, and leading practitioner Darren Maher. Fergus Bolster is a key contact for a range of public and private companies, financial sponsors, state bodies and investment banks, and Susanne McMenamin frequently handles M&A, equity capital markets transactions and capital raisings. Caroline Kearns draws on deep experience across the full spectrum of international and domestic corporate transactions, while Patrick Spicer is a seasoned professional within the market. Further key practitioners within the team are the ‘first-class’ Sandie Lord, cross-border private M&A specialist Robert Barrett, George Brady, Enda Garvey, who acts for energy investors and private equity funds, and Brian McCloskey, who handles M&A and private equity deals.

Lauded for its ‘comprehensive end to end support, and client led and solutions focused service’, McCann FitzGerald LLP houses a market leading M&A practice, recognised for its capabilities across the full spectrum of high-profile, multi-jurisdictional transactions. Heading up the group is Stephen FitzSimons, a leading expert in corporate governance and security law requirements, with noted expertise in Irish and US securities laws and shareholder activism mandates. David Lydon is also high recommended and maintains a long-standing reputation within the Irish market. Other key figures are Ben Gaffikin, who leads the firm’s private equity and venture capital group; ECM specialist Gill Lohan; John Neeson, who focuses on the technology and renewable sectors; insurance sector expert Stephen Fuller; and Ciara O’Herlihy, who acts for private equity sponsors and financial institutions.

Leveraging a significant bench of expertise across the full spectrum of corporate and M&A work, the ‘effective, responsive, available and pragmatic’ team at William Fry LLP is well-equipped to act for multinational clients across a varied range of sectors. Delivering ‘exceptional services’, Andrew McIntyre heads up the group, and Stephen Keogh is praised for his ‘excellent support’ on prominent M&A transactions. Myra Garrett is a key port of call for companies and boards of directors on corporate governance and strategic issues, while Mark Talbot excels across private and public M&A and equity capital markets work. Ivor Banim has deep expertise in Irish and international M&A, and Mark Quealy‘s workload consists of transactional corporate engagements, utilising his strong knowledge of partnership and limited partnership structures. Barbara Kenny is another key name who is well-equipped to handle mandates for public and private companies, and Máire O’Neill works at the intersection of corporate and M&A within the energy, renewables and utilities spaces. Gerard Ryan, Gavin O’Flaherty and Enda Newton joined the firm in September 2025 from Eversheds Sutherland.

Leveraging ‘experienced partners with strong commercial acumen’ through the corporate and M&A realm, enhanced by the bench strength of its international reach, Addleshaw Goddard is well-placed to offer a comprehensive service across corporate, commercial and competition mandates. Deborah Kelly utilises deep knowledge across M&A, acting for private equity firms, high-net-worth individuals and indigenous companies. Leonora Malone is particularly well versed in M&A and restructurings, noted for her work in corporate restructuring and cross-border transactional work, while John Olden is a key representative of venture capital and private equity clients.

With strength across high-value and mid-market transactions, as well as the private equity, trade buyer and founder-led spaces, Beauchamps LLP has the resources and expertise to handle sale and purchase transactions, M&A mandates, cross-border reorganisations, joint ventures, corporate restructurings, buy-side transactions and strategic investment mandates. The group is led by Shaun O’Shea, who is a leading expert in M&A mandates. Damian Maloney‘s expertise covers the full range of M&A transactional work and commercial and company law, with knowledge of the tech space. Oisin McLoughlin frequently represents international, private equity, institutional and domestic/owner managed clients, while Edward Evans is a key port of call for early stage and growing companies, and Máire Cunningham excels in venture capital, equity investment and M&A work.

Following the merger of Byrne Wallace LLP and LK Shields Solicitors in January 2025, Byrne Wallace Shields LLP is well equipped to handle the full range of high-profile corporate and M&A work, bringing ‘strong technical capabilities’ to clients in the tech, infrastructure, energy, healthcare and venture capital sectors. Group co-head Richard Curran acts across a variety of corporate finance transactions, including M&A, private equity mandates, shareholder agreements and joint ventures, while fellow co-head Feargal Brennan is adept at advising Irish and international businesses across a wide range of corporate mandates. Co-head Jennifer McGuire is a key contact for public and private companies, and acts for private shareholders on Irish and international mandates, and Emmet Scully has strong expertise across a wide range of M&A and private equity transactions.

DLA Piper Ireland LLP has a well-established regional and international reputation, counting buyers and sellers of Irish and multinational corporates on its client base, with a noted focus in the life sciences, tech, insurance, financial services and energy sectors. Heading up the group is David Carthy, who is a seasoned expert in international M&A, structurings, and reorganisation mandates. Combining ‘first-class legal expertise with a highly commercial mindset’, Edel O’Kelly is an important contact for multinational clients on foreign investments into and through Ireland. Éanna Mellett appears on high-profile M&A transactions, maintaining a reputation for private equity buy outs. Other key figures are Matthew Cole, William Marshall and Naoise Harnett.

Led by the ‘practical and commercially focused’ David Phelan and Ken Casey, Hayes Solicitors LLP regularly advises long-term investors, entrepreneurs, family offices, sector consolidators and Irish and international businesses, delivering advice on mid-market M&A transactions. Praised as ‘responsive, knowledgeable and adaptable’, Casey has deep corporate and M&A experience, frequently representing clients from a wide array of sectors, including financial services, media, tech, industrial and aviation infrastructure companies, while Phelan is a leading name within the sports, entertainment and media sectors, handling commercial and corporate mandates. Well versed in EU corporate and securities law is David Mangan, a frequent adviser on the buy-side and sell-side of transactions. Sabrina Burke is another key figure.

Appreciated for its ‘ambitious, thorough, professional’ team, Maples Group excels in handling bolt-on acquisitions, growth company fundraisings and exits, private equity investments and buyouts and complex cross-border acquisitions and disposals. Practice head Colm Rafferty is praised for his ‘superb commercial understanding and industry knowledge’, utilising his deep sector knowledge in company law and corporate transactions to maintain a strong position in the M&A market; he is also highly regarded for his role in advising high-profile Irish tech companies. Morgan Pierse has a breadth of corporate and commercial expertise, with a particularly strong reputation in buy-side and sell-side mandates, while Jordan O’Brien is a key contact for venture capital and tech-related mandates, frequently operating in the private company M&A and equity fundraising spaces.

Housing a mid-market team with ‘great practical business acumen aligned with exceptional legal knowledge’, Philip Lee LLP is well-placed to act on a wide breadth of corporate and M&A transactions. ‘Outstanding M&A lawyer’ and practice head Eoghan Doyle acts for clients in the tech, renewables and owner-managed businesses sectors, frequently handling M&A, private equity, corporate finance, venture capital and FDI mandates. Andreas McConnell is a key contact for corporate transactions, advisory work, governance and restructuring, while Ita O’Sullivan excels in the corporate advisory and governance space, representing public and state bodies. Andrew Tzialli divides his time between the UK and Ireland, with a niche specialism in blockchain and cryptocurrency matters, and Bernard McEvoy maintains a strong reputation in the Irish Market for his comprehensive practice.

With a particularly active energy, healthcare and life sciences practice, Pinsent Masons LLP is home to an ‘efficient and collaborative’ team regularly turned to for equity investments, financings, acquisitions, disposals, and complex project-driven M&A. Neil Keenan is recommended for his M&A, venture capital, private equity, corporate governance and share scheme expertise. Gerry Beausang has strong knowledge in the corporate and private equity space, while Paul White has a high level of experience advising international and Irish corporates and investors on company legal matters. Adept in healthcare matters is Dorian Rees who utilises his dual-qualification in Ireland and England & Wales, and Sarah Hope leads the corporate renewables practice, frequently handling cross-border energy and natural resources transactions.

RDJ LLP has a proven track record in the tech, renewables, life sciences, commercial contracts, IP and data protection spaces, handling mid-market strategic M&A transactions, private equity issues and venture capital investments. Leading the group is Diarmaid Gavin, who is recommended for his ‘excellent knowledge and negotiation skills’ and is a key name for domestic and international corporate clients on cross-border transactions, capital raises and corporate restructurings. Bryan McCarthy is particularly impressive in high-value cross-border M&A mandates, including sales and acquisitions, capital raises and corporate restructurings. Gillian Keating frequently acts on M&A deals in the tech, renewables and healthcare space, with a niche specialism in M&A transactions for scaling businesses. In Galway, JP Gilmartin handles high-value M&A, and equity and debt fundraisings.

Credited for its ‘very practical and pragmatic approach’, Taylor Wessing is well versed in the life sciences, healthcare, tech and private equity sectors, covering the full array of complex M&A transactions at the mid to upper level of the market. The ‘practical, commercial and solutions focused’ Adam Griffiths oversees the group, with a wealth of experience across M&A, private equity and venture capital transactions, regularly acting for private equity sponsors and their portfolio companies. Paddy Quinlan is well equipped to act on the full life cycle of corporate mandates, and Dannie Hanna operates across public and private M&A transactions, demonstrating notable emphasis on Irish corporate governance issues.

With a sector focus on the emerging tech and digital worlds, Bird & Bird is highly recommended for its ‘very strong and communicative’ team which has comprehensive knowledge across corporate matters, including M&A, equity fundraisings, joint ventures, shareholder agreements, corporate governance work, compliance matters and corporate reorganisations. Brendan O’Brien steers the team, praised for going ‘above and beyond’ when handling domestic and international transactions, supporting clients across the full gamut of corporate and M&A. Daniel Faulkner is another key name within the group.

Dillon Eustace excels in handling mid-market M&A and private equity deals for a domestic and international client base, with a noted focus on clients in the financial services sector. Practice head Adrian Benson utilises his deep sector knowledge to handle M&A, company law and corporate governance mandates, company re-organisations, venture capital work, cross-border mergers and private equity investments. Philip Lea has significant experience in the full range of corporate transactions, M&A and shareholder agreements, frequently acting for Irish private equity funds and financial institutions.

Well-equipped to handle the full gamut of mid-market and high-end M&A work, Eversheds Sutherland‘s team is frequently instructed to advise on cross-jurisdictional mandates for major clients in the tech, software, life sciences, healthcare, private equity and venture capital spaces, with additional expertise in the insurance, hospitality, data centre development, and food and retail sectors. Key names to note are Enda Cullivan, Mary Kiely and Jonathan Ennis.

Combining ‘technical excellence with a commercial approach’, EY Law Ireland‘s corporate M&A and structuring group is well-equipped to handle the full gamut of transactions and transformations projects, often representing Irish and international public, private and semi-state companies, private equity investors and other stakeholders. The group is led by Adam Synnott, who is recommended for his deep expertise in corporate law and M&A work, and frequently handles M&A, takeovers, joint ventures and private equity work. Conor O'Dwyer has significant experience across the financial services, real estate, food and beverage, tech, pharma and life sciences sectors, with a focus on complex transformative transactions, while Aidan Lawlor is a key port of call for domestic and cross-border M&A, joint ventures, restructurings and corporate governance mandates.

With a strong track record for work in the renewables sector, Fieldfisher ‘combines top legal expertise with a practical, business-first mindset’ across M&A, restructurings, corporate governance work, joint ventures, and private equity and corporate finance mandates, while frequently advising consultancy and professional services clients. Feilim O’Caoimh heads up the practice, drawing on strong experience across shareholder agreements, joint ventures, venture capital transactions and M&A transactions. Peter O’Neill is well-equipped to act in domestic and cross-border corporate and commercial mandates. The firm also added a Cork office to its roster in 2025 following its merger with Regan Wall, which added the notable expertise of Adrian Wall and Kieran Regan to its corporate team.

Drawing on the bench strength of the team’s national and international expertise, Flynn O'Driscoll frequently acts on a range of corporate M&A transactions for buyers and sellers across all major industry sectors. Co-head Alan O’Driscoll has standout knowledge across the full spectrum of venture capital and M&A transactions, frequently representing tech, healthcare and food sector clients. Co-head David Ryan has expertise in the full life cycle of business matters, placing particular focus on financings, investments, succession planning issues, reorganisations, M&A and disposals. While co-head Gavin Lawlor is well-equipped to handle the full spectrum of transactional corporate work for private equity and venture capital clients, fellow co-head Mark Roberts leverages deep experience in the Irish market, acting as a key port of call for corporate clients and investors in the life sciences and tech sectors.

Ogier is highly recommended for its ‘helpful and professional’ team, which has comprehensive knowledge across M&A, private equity work, investments and corporate financing mandates. The group is steered by Dominic Conlon, who draws on deep experience in financing, governance, restructuring and outsourcing mandates to support a diverse client roster of tech, healthcare, manufacturing, distribution and fintech companies. Edon Byrnes is well-equipped to act on a wide range of corporate matters..

Recommended as ‘responsive, efficient, competent and friendly’, Squire Patton Boggs Ireland fields a team of experts across Irish M&A, private equity and trade mandates, with a strong track record acting for engineering, construction, financial services and tech clients. Dennis Agnew steers the group and praised for his work across M&A and investments, with a niche focus on acting for North American companies. Co-head George Kennedy is a seasoned private equity specialist, maintaining a solid reputation within the corporate and trade spaces for work across an array of corporate and M&A matters.

Noted for its work in the financial services sector, Walkers is routinely engaged on international corporate transactions, predominantly providing Irish law advice while also leveraging knowledge of multi-jurisdictional corporate and M&A work; the team also has niche expertise in the aviation sector. The group is led by Eoin Ryan, who is recommended as ‘concise, tailored, and grounded in business reality’; he steers his practice towards M&A, corporate restructuring, Irish corporate governance and commercial matters.

Whitney Moore fields a ‘partner-led’ team which is well-equipped to act on the full range of corporate and M&A work, as well as offering specialist advice in the natural resources and capital markets spaces. Brendan Ringrose maintains a strong reputation for corporate finance, securities, M&A and fundraising work, acting for a client base compiled of publicly listed and private companies across Ireland and North America. Cillian Balfe is a key contact for corporate finance, M&A and venture capital mandates, frequently representing both foreign and domestic clients. Therese Rochford has deep expertise in AIM admissions, private placings, public company takeovers and stock exchange compliance, while Brian Cunneen is a key port of call for private companies across the tech, pharma, food, professional, charity and manufacturing sectors.

Recommended for its work involving start-up companies in early-stage governance agreements, fundraisings and disposals, BHSM LLP incorporating OBH Partners is also well-placed to act on a range of corporate and M&A mandates for both buyers and sellers. The team is headed up by Joe McVeigh, who is credited for his ‘excellent general experience and knowledge’, and leverages strong M&A experience in both the Irish and international markets.

The ‘practical and commercially-focused’ team at Browne Jacobson Ireland LLP counts tech, media and telecoms, food and drink, manufacturing and industrial companies among its key roster of clients. Practice head William Darmody handles the full range of corporate M&A mandates, with a particular focus on corporate transactions, M&A, investments and funding rounds, restructurings and shareholder agreements.

With strength across both domestic and international mandates, DAC Beachcroft Dublin leverages the bench strength of its international network, with expertise across mandates in the tech, renewables, logistics, financial services, manufacturing and healthcare spaces. Sharon McCaffrey leads the team and handles a broad range of corporate and commercial matters, frequently acting for Irish and international businesses, as well as individual shareholders. The team was strengthened by the addition of Yvonne Costello in January 2025.

The ‘accessible, practical and commercial’ team at Holmes O’Malley Sexton LLP has a strong regional reputation with offices in Dublin, Limerick and Cork, and frequently assists clients in the renewable energy, manufacturing and education sectors. Stephen Walker leads the group, handling the full range of company and commercial legal matters, including M&A, corporate finance and restructuring mandates. Edel Conway and Michael Walshe are key figures within the group.

Noted for its range of clients, extending from start-up companies to medium-sized enterprises, Lavelle Partners LLP is well-equipped to cover the full range of corporate and commercial work for businesses in the healthcare, industrial, manufacturing, startup and tech sectors. Practice head Gríana O’Kelly advises Irish and international clients on a broad range of M&A, debt and equity transactions, corporate restructurings and joint ventures, while Michael Lavelle is recommended for his knowledge of M&A and high-value commercial transactions.

O'Flynn Exhams is a key name for clients in the energy and natural resources sectors. Led by Richard Neville, who has deep expertise across corporate and commercial matters, frequently representing companies, directors and shareholders. Conor Lupton and Irene O’Donovan are also key names within the group.

Reddy Charlton LLP advises on across a wide range of corporate and commercial mandates, including M&A, restructurings and corporate governance issues. The group is headed up by Elaine McGrath, who is a key port of call for a broad client roster, including state bodies, lending institutions, sports organisations, charities, SMEs and private clients.