A&L Goodbody LLP remains at the pinnacle of the market, consistently landing instructions in large-scale disputes and investigations. The firm routinely acts for clients in many of the biggest disputes in the market, including cases in the Commercial List of the Irish High court, and has demonstrated a full commitment to regulatory enforcement and internal investigations. It is highly rated for white-collar crime with a stellar background in fraud, bribery and corruption, dawn raids, market abuse and insider trading. Enda Hurley is head of litigation and is co-head of the disputes and investigations group alongside Dario Dagostino , who is also head of the regulatory investigations team. Tom Casey and Sarah Murphy are senior members of the team. Ciarán Ó Conluain is also making an impression.

Arthur Cox has an outstanding record in large disputes and investigations. It frequently represents clients in cases before the Commercial List of the High Court and has an extensive record in alternative dispute resolution (ADR), including mediation, arbitration, expert determination and conciliations. It has continued to earn accolades for roles in large regulatory disputes. Eve Mulconry is head of the litigation, dispute resolution and investigations team, while corporate crime expert Joanelle O’Cleirigh and Keith Smith are also prominent practitioners. Richard Willis is noted for financial and technology-related disputes, along with regulatory investigations, with Michael Twomey and Deirdre O’Mahony also impressing. Andrew Lenny is now a consultant.

Mason Hayes & Curran LLP is a dispute resolution giant. It has a huge market share of cases before the High Court and has a record of representing clients in many of the biggest disputes in the jurisdiction, such as acting for CDB Aviation in its claim seeking an indemnity from 21 different insurers arising from losses sustained from leasing nine aircraft to various Russian airlines. It continues to stand out for its work in the financial services, technology, life sciences, built environment and energy sectors, along with its expertise in public law cases. Maurice Phelan  is a leading name in the market, along with technology disputes specialist Colin Monaghan. Peter Johnston continues to make an impression in big-ticket cases. Declan Black is another prominent lawyer, while Liam Guidera  heads the investigations and white-collar crime team.

Matheson LLP has a stable and large team of dispute resolution specialists, remaining noted for its strength in financial services cases, along with regulatory enforcement and investigations for financial services businesses and large corporates. It has achieved further prominence in representing aircraft lessors in four of the six proceedings in Ireland relating to irrecoverable aircraft in Russia; it is the only firm in Ireland to act for more than one client in this headline case. The firm continues to make an impression in technology and data privacy disputes, and is at the forefront of media, motor industry and insurance coverage cases. Nicola Dunleavy is a recognised leading figure in the market along with Julie Murphy O’Connor and regulatory investigations specialist Karen Reynolds, who also earn accolades. April McClements is noted for insurance coverage cases and Michael Byrne for TMT disputes.

McCann FitzGerald LLP has one of the largest teams in the market with an exceptional record in big-ticket disputes and investigations. It has a fine reputation for public law cases, judicial review and statutory appeals, and is at the forefront of ADR. The firm has developed additional niches in rating valuation appeals and is known for its expertise in regulated sectors. Helen Kilroy is a leading figure in commercial litigation, including shareholder disputes and insurance cases. Rosaleen Byrne stands out for expertise in regulatory matters and Catherine Derrig remains noted for competition cases, including follow-on damages actions. Michael Coonan , Ciara Ryan and Brian Quigley are also key partners, along with Audrey Byrne who is rated for fraud and asset recovery cases. Amy Brick and Bébhinn Bollard are emerging talents.

William Fry LLP remains a significant player in the dispute resolution field, routinely landing a major market share of instructions in cases before the Commercial Court. Beyond the courts, it has an established record in arbitration, mediation and commercial negotiations. The firm continues to build its presence in regulatory investigations and is prominent in partnership and shareholder disputes. Garrett Breen heads the team and has more than 30 years’ experience in dispute resolution, while Paul Convery  is an established name in large-scale disputes, including sanctions and derogations litigation, competition cases and financial disputes. Fergus Doorly , Laura Murdock and Mary Cooney are also rated. Deirdre O’Donovan was promoted to the partnership in 2024, while Owen O’Sullivan is a top practitioner and has now completed his stint as managing partner.

Addleshaw Goddard fields a large and established dispute resolution team in Dublin. The broad practice encompasses professional negligence, financial services disputes, product liability and personal injury, banking enforcement and regulatory matters. Ronan O’Neill is the former head of department and senior name in financial services cases and medical disputes. New department head, Caoilfhionn Ní Chuanacháin is also rated for financial services litigation, shareholder disputes, property litigation and professional negligence. Paul Dempsey  heads the debt recovery team and has experience in a wide range of disputes, while Craig Sowman has deepened the team’s expertise in insolvency litigation, having joined from William Fry LLP in 2024.

Beauchamps LLP has a large and established dispute resolution team with a background in a variety of cases. It has experienced further growth in contentious regulatory matters and in disputes taken to mediation. It continues to have a major market share of cases before the High Court and is noted for headline cases such as representing AIG Europe in defence of Commercial Court proceedings by aircraft lessors following the detention of numerous aircraft in Russia. Emma Keegan heads the litigation and dispute resolution department with the experienced Thomas O’Dwyer leading the crisis management and white-collar crime unit. Pat McInerney heads the public sector and regulatory team and has extensive experience in judicial review proceedings. Barry Cahir  is another senior name.

Byrne Wallace Shields, formed by the merger of Byrne Wallace LLP and LK Shields Solicitors LLP, stands out for its portfolio of private, semi-state and public sector clients. It is widely recognised for its history of acting in public sector disputes, including representing state and public agencies in the health, educational, property and tourism sectors. The firm frequently advises public and semi-public bodies on internal investigations and continues to build its presence in cybersecurity and data breach matters. The newly expanded offering is also rated for insurance cases, regulatory litigation and landlord and tenant disputes, and is building its standing in shareholder cases and cross-border disputes. Jon Legorburu heads the disputes and investigations department, and is an experienced figure in public sector cases, regulatory investigations and white-collar crime. Mona Costelloe is also noted for public law cases, real estate disputes and regulatory enforcement, Jill Callanan continues to stand out for shareholder disputes, commercial contract cases and property matters, and Ian Lavelle specialises in insurance and construction disputes. Sean O’Donnell, Valerie Hourigan, Mark O’Shaughnessy and Clare Dowling are also key partners.

DAC Beachcroft Dublin has a fast-growing practice that extends across the commercial litigation sphere. As the Dublin branch of the international firm, it naturally has a strong presence in insurance cases, including professional negligence and medical negligence, though is active in multiple sub-sectors and is a growing force in IP and brand protection. It has also demonstrated its expertise in a series of construction and engineering case, and renewable energy disputes. Lisa Broderick heads the team and routinely represents large multinationals in headline disputes, as does the immensely experienced Rowena McCormack.

Dentons Ireland LLP has made considerable progress in the Irish dispute resolution market, now with a strong senior bench of prominent partners, including Karyn Harty who is global co-chair of disputes. The firm has boosted its standing in financial services, corporate and real estate disputes, and is a growing force in regulatory investigations and enforcement. Gareth Steen has an established record in contentious insolvency and restructuring, while Ciara FitzGerald is noted for commercial  disputes, regulatory and other investigations. Gemma Freeman provides further expertise in real estate cases, corporate recovery disputes and shareholder litigation. Counsel Lesley Caplin delivers additional senior-level expertise.

Dillon Eustace has stayed at the forefront of funds, banking and financial services litigation. It has a history of representing the firm’s plentiful investment funds and financial services clients in a wide variety of disputes, along with acting for clients through the Central Bank of Ireland’s Administrative Sanctions Procedure. The firm has acted for clients in a series of insurance coverage disputes, including business interruption claims, and has made a further impression in asset recovery and fraud cases. John O'Riordan heads the commercial litigation team and is noted for financial services litigation and shareholder disputes. Peter Bredin is also rated for commercial litigation and David Kavanagh for personal injury cases.

Eversheds Sutherland is a major force in domestic and cross-border dispute resolution, notably handling numerous high-profile cases before the Commercial Court. The practice is recognised for its breadth of expertise, from personal injury cases to real estate, shareholder, public sector and planning disputes. The firm continues to represent a large number of state-owned entities and has further developed its standing in financial services disputes and investigations. Pamela O'Neill heads the dispute resolution and litigation team, showcasing continued expertise in financial services disputes and investigations. Stephen Barry is another senior member of the team with a broad spectrum of disputes expertise. Eoin Mac Aodha specialises in regulatory, commercial and public administrative cases, while Norman Fitzgerald and Dermot McEvoy are also highly rated.

Hayes Solicitors LLP remains best known for healthcare litigation, particularly clinical negligence defence and catastrophic injury claims; the State Claims Agency and Medical Protection Society are key clients. It is also prominent in commercial litigation, including cases before the Commercial Court. Joseph O’Malley is managing partner and head of commercial litigation, while David Phelan is noted for commercial cases, defamation and media disputes. Mary Hough leads the healthcare team and is a prominent figure in the defence of medical negligence claims, product liability and repercussive claims. Stephen McGuinness is also noted for healthcare cases and Robbie Slattery continues to impress.

Maples Group has made a further mark in funds, banking and financial services litigation, including high-value cases before the Irish courts. It has represented clients in a series of cross-border tax disputes and loan enforcement matters, while gaining further traction in regulatory investigations and enforcement, real estate cases and professional liability. Alan O’Sullivan leads the litigation and dispute resolution team with an established background in banking and insolvency litigation, among other areas. Karole Cuddihy is also noted for insolvency and restructuring cases, while Eugene McCormick has a broad skill set.

Philip Lee LLP has increased its presence in Commercial Court cases, which includes civil fraud claims, property and construction claims, shareholder disputes, and media and communications disputes. With its background in public law, it remains particularly well known for procurement disputes and judicial review, and is a growing force in data protection and intellectual property cases. Environmental and planning litigation is another forte. Damien Young has wide-ranging expertise and has landed a series of big-ticket data protection cases in recent years. Eimear Collins  and Gerald Byrne are have played an integral role in developing the firm’s standing in commercial disputes, along with Jennifer Darcy, who was promoted to partner in 2024. Clare Cashin is rated for construction disputes. Anne Bateman is also rated for IP, pharmaceuticals and technology disputes. Alison Murray has also been promoted to partner.

RDJ LLP has made considerable progress in recent years, representing clients in a multitude of headline commercial cases, while remaining a force in professional negligence and aviation disputes. Data protection, insurance, contract disputes, judicial review, shareholder disputes, construction and healthcare cases are also areas of particular specialism. The firm continued to act for Global Aerospace Underwriting Managers in the headline cross-border proceedings before the Irish High Court, initiated by six Irish based aircraft lessors which had aircraft on lease to Russian airlines at the time of Russia’s invasion of Ukraine. Jamie Olden has an outstanding reputation for professional negligence cases, while Richard Martin is also highly rated. Ronan Geary heads the commercial litigation team and is noted for contract disputes and judicial review. Darryl Broderick is rated for TMT disputes, Ricky Kelly for cyber security incidents and Marianne Lonergan for a variety of contentious matters.

Flynn O'Driscoll has grown considerably over the last few years, now with five partners operating in the dispute resolution space. It has an established record in insurance and reinsurance disputes, including in the aviation, professional indemnity and financial lines sectors. Media and entertainment cases are another forte. David Curran specialises in insurance litigation, including professional negligence and financial lines claims. Eoin Cunneen is another prominent litigator, while Kieran Kelly is noted for media and entertainment cases.

Lavelle Partners LLP has a broad-based practice committed to commercial and private client litigation and dispute resolution. It has made a further impression in headline defamation cases, along with group action mis-selling claims and other group action investor actions.  Ciarán Leavy heads the litigation and dispute resolution team and has a background in representing clients in professional negligence actions against solicitors, accountants, financial advisers, architects and engineers. He is also noted for actions against insurance and reinsurance companies. Founding partner Michael Lavelle is also noted for partnership and joint-venture disputes, alongside private client litigation.

O'Flynn Exhams represents an impressive number of domestic and international clients in substantial disputes. It is prominent in commercial real estate disputes, energy and utilities cases, shareholder and company law disputes, and cross-border enforcement and recognition matters. It is also recognised for its ADR expertise. Contract and real estate disputes specialist Tom O’Byrne, managing partner Shane Crossan, Pat Mullins and Sion Williams are experienced dispute resolution specialists.

Ogier has a fine history in litigation and dispute resolution, handling a wide variety of cases, from judicial review and insolvency proceedings to real estate and shareholder disputes. Ronan McGoldrick is head of financial disputes and is noted for insolvency cases. Elaine White and Stephen O’Connor are also key partners. Maria Edgeworth is growing in prominence.

Pinsent Masons LLP has made further progress in the market, notably in contractual disputes, investment disputes, professional negligence and judicial review. The Dublin office is also noted for financial services and IP disputes. It now acts for a range of big-name multinationals and domestic businesses. Lisa Carty has added to the team’s standing since joining in 2023, bringing extensive expertise in financial services disputes, regulatory investigations and enforcement actions. Zara West impresses in financial services, corporate and insolvency disputes. IP disputes specialist Karen Gallagher was promoted to the partnership in 2024. IP disputes expert Maureen Daly has joined from Beauchamps LLP and Ann Henry  has left the firm.

Whitney Moore has a strong senior bench of experienced partners, known for its expertise in banking litigation, debt recovery and intellectual property disputes. Data protection, aviation and insurance defence are other sectors of strength. Michael Ohle has an established reputation in commercial litigation, including shareholder disputes, along with banking litigation and insolvency cases. Robin Hayes is the firm's key figure for IP disputes and Colin Hayes for commercial disputes, debt recovery, product and public liability claims, professional negligence, and personal injury.

BHSM LLP has a large and established team with a fine record in insolvency disputes and debt recovery. The firm is also building its presence in planning and real estate cases, among other areas such as shareholder disputes, professional negligence actions and breach of contract claims. Brian Baily heads the litigation and dispute resolution department, which includes managing partner and insolvency specialist Mark Homan. Sarah O'Toole is also making an impression in property disputes.

Bird & Bird is especially rated for patent litigation. Having launched a Dublin office in June 2022, it has brought its global standing to the Irish market with two senior IP litigators in head of the Dublin office, Michael Finn and Ann Henry, the latter joining from Pinsent Masons LLP in 2024. The office has worked on a series of headline patent revocation proceedings and patent infringement proceedings. It is particularly well suited to cross-border disputes, including oppositions at the European Patent Office and litigating in many key patent litigation jurisdictions. Competition litigation is also a forte.

Browne Jacobson Ireland LLP has continued to demonstrate its expertise in competition damages actions, intellectual property disputes and regulatory investigations. It has strong connections to the automotive sector, among other industries and continues to represent Scania in in competition damages claims against manufacturers before the Irish Courts. It has a two-partner team led by the experienced Ciarán Markey and which includes emerging name Darragh Killeen.

Clark Hill Plc is unique in the market as a trans-Atlantic firm with offices across the US, Mexico and Ireland. It has achieved significant recognition in Ireland thanks to a series of headline instructions, including a substantial shareholder dispute. The team has extensive experience in cases before the Commercial Division of the High Court. Sam Saarsteiner is a seasoned figure in commercial disputes and is a growing force in ADR, along with cybersecurity and data breach cases. Elizabeth Burke is head of the litigation team with a background in commercial litigation, professional liability, financial, investment, and shareholder disputes. Kirby Tarrant is also hugely experienced.

DLA Piper Ireland LLP's growing team is building market share. It now represents an impressive array of domestic and international clients in commercial litigation, regulatory investigations and corporate crises. Retail, renewable energy, healthcare, telecoms, cryptocurrency, real estate, insurance and aviation are key sectors for the dispute resolution team. The team has landed a series of headline cases, including judicial review and product liability matters, alongside the high-profile 'All Risks' insurance case linked to aircraft leased to Russian airlines. Caoimhe Clarkin is an established name in dispute resolution, while Gavin Woods and Aoife Murphy specialise in IP disputes. Darach Connolly is noted for competition litigation.

Fieldfisher remains best known for insurance and insolvency disputes, though is continuing to build its presence in technology cases, including cyber crime and data breach matters. Shareholder disputes and professional indemnity are also core areas of strength, with the firm also noted for arbitration and mediation expertise. Killian O’Reilly  is an immensely experienced litigator, while Mark Woodcock  is noted for insolvency cases, including liquidations and examinerships.

Holmes O'Malley Sexton has an established record in commercial and public sector litigation, along with a solid presence in ADR, construction disputes and debt recovery. The team is largely based in Limerick, along with members in Dublin and Cork, and has built its standing in cyber risk and data breach cases. It is also at the forefront of insurance disputes and judicial review. Managing partner Harry Fehily is a seasoned commercial litigator and ADR specialist, while Michael Murphy is a rounded litigator with a specialism in professional negligence, other insurance cases, and cyber risk and data protection.