A&L Goodbody LLP’s white-collar criminal law team is renowned for its expertise in handling high-profile internal and external investigations, regulatory actions, and criminal trials, with experience in matters ranging from environmental regulation breaches to corruption allegations. The team represents prominent companies and individuals across the financial services, construction, and manufacturing sectors. The team is jointly head by the duo of Kenan Furlong and Joe Kelly, who provides counsel on whistleblowing complaints, money laundering, bribery, and sanctions matters, while Dario Dagostino heads the regulatory investigations group. Katie O’Connor is also noted for her expertise in this area.

Entrusted by significant domestic and international companies, financial institutions, regulatory authorities, government agencies, and private individual clients, Arthur Cox’s key strengths lie in advising clients across all stages of regulatory and criminal enforcement processes, from investigations to prosecutions. It is particularly noted for its experience in handling fraud-related litigation. Joanelle O’Cleirigh heads the practice and is noted for handling whistleblowing and anti-bribery matters. Co-head Richard Willis is well-versed in conducting cross-border data and information governance processes.

Mason Hayes & Curran LLP’s team is experienced in managing a broad range of white-collar crime matters, with a strong track record of representing state agencies and regulators in inquiries and prosecutions. The team routinely advises public and private sector clients on internal risk management and investigations involving allegations of fraud, corporate wrongdoing, and cyberattacks. Liam Guidera heads the practice and is well-versed in handling fraud and corporate misconduct matters and investigations. Conor O’Leary has notable expertise in fraud-related issues and proceedings.

‘A go-to firm in Dublin’, McCann FitzGerald LLP’s white-collar crime team is a trusted advisor for regulatory and business crime matters, with particular expertise in cross-border fraud and asset tracing. The team represents private companies and regulators, offering a comprehensive service that spans regulatory investigations, enforcement actions, and litigation. The team is led by Megan Hooper, who has notable experience in regulatory and criminal investigations, and co-head Audrey Byrne, who focuses on fraud-related investigations. Michael Coonan is another key member of the team.

The white-collar crime practice at William Fry LLP adeptly assists multinational companies, state bodies, and high-net-worth individual clients with money laundering, bribery, corruption, and anti-competitive cases. One of the key strengths of the team is its expertise in the financial services sector, advising on regulatory investigations and representing clients in proceedings before the Irish High Court. Laura Murdock brings extensive experience in managing complex, multi-jurisdictional commercial disputes involving financial crime and co-leads the team with Paul Convery, who focuses on shareholder disputes and reputation management matters.

LK Shields Solicitors LLP and Byrne Wallace LLP merged at the beginning of 2025 to form Byrne Wallace Shields LLP, a white-collar crime team that is highly skilled in handling both prosecution and defence roles in criminal investigations, with particular expertise in cybercrime and fraud cases, including ransomware incidents. The team is frequently engaged by regulators and law enforcement bodies, providing guidance on the exercise of their powers, drafting submissions, and representing them in litigation. Jon Legorburu has longstanding experience of managing investigations and litigation for financial services, healthcare, and insurance sector clients, and jointly heads the team with Sean O’Donnell, who focuses on contentious regulatory issues.

The investigations and risk management group at Eversheds Sutherland is highly regarded for its expertise in anti-bribery and fraud matters. The team frequently assists clients with developing robust procedures, controls, and audits to mitigate the risks of bribery and corruption, as well as advising on regulatory investigations and risk management. Eoin Mac Aodha heads the practice and is noted for his experience advising public sector bodies on regulatory functions. Pamela O’Neill is another key member of the team.

Matheson LLP’s regulatory investigations and corporate crime team offers comprehensive support across the prevention, detection, reporting, and risk management of white-collar crimes. The practice is well-versed in handling a wide range of cases, including in relation to fraud, bribery, corruption, money laundering, and corporate criminal offences. Karen Reynolds, the head of the practice, specialises in financial services litigation and provides counsel to financial institutions on a wide array of regulatory matters, including market abuse, insider trading, and cybersecurity incidents. Connor Cassidy, Nicola Dunleavy SC and Deirdre Crowley are also noted.

Beauchamps LLP manages regulatory and criminal investigations for a broad range of clients, including financial institutions, charities, public sector entities, and regulatory and state bodies. Thomas O’Dwyer heads the team and has built a strong reputation for advising clients facing criminal allegations on reputation and crisis management aspects.

Dentons Ireland LLP acts for a diverse list of international and domestic clients in the full range of contentious and non-contentious fraud and business crime matters. Dispute practice head Karyn Harty specialises in regulatory and criminal investigations, while Gareth Steen leads the restructuring and insolvency team.