Overseen by Lisa Carty, the team at Pinsent Masons LLP is particularly adept at advising on financial services regulatory investigations, as well as mandates related to fraud, bribery and corruption, dawn raids and market abuse.

A&L Goodbody LLP’s group is highly sought after for its ability to guide clients through complex internal and external investigations and engagements with Irish and international regulators. The team advises on interactions with authorities, notifications of wrongdoing, prosecutions, and associated issues including communications strategy, executive approval risks, media engagement and insurance considerations. Kenan Furlong and Joe Kelly head the white-collar crime offering, while Dario Dagostino oversees regulatory investigations. Katie O’Connor is another key team member, acting for key players across the financial services, technology, retail and construction sectors.

The corporate crime group at Arthur Cox advises across a full spectrum of regulatory, compliance and enforcement issues, regularly assisting Irish and international companies, as well as financial institutions, public bodies and private individuals. The team is well-placed to engage with domestic and international law enforcement agencies, regulators and other investigative and prosecutorial bodies on matters spanning from fraud and asset tracing, to whistleblowing and cross-border investigations. Joanelle O’Cleirigh and Richard Willis jointly oversee the practice. O’Cleirigh’s expertise covers reporting obligations, whistleblowing and anti-bribery and corruption regulations, while Willis is noted for his work on complex disputes and investigations involving complex discovery, data and information governance processes.

Mason Hayes & Curran Professional Services Ltd’s investigations and white-collar crime team offers wide-ranging cross-industry expertise, assisting domestic and international clients with regulatory scrutiny, compliance strategy and risk mitigation. At the helm is Liam Guidera, who is well-equipped to handle corporate misconduct investigations and fraud matters. Active in major internal investigations and contentious corporate crime mandates, the team’s expertise covers bribery, corruption and regulatory breaches. It is also noted for its work across the financial services, medical, pharmaceutical and not-for-profit sectors.

With expertise covering the full array of white-collar crime, McCann FitzGerald LLP regularly advises on a variety of mandates, including issues related to fraud, company law offences and regulatory breaches. The group is highly experienced in cross-border and domestic investigations, statutory inquiries and complex compliance and enforcement proceedings, and is regularly instructed on large-scale fraud and asset tracing matters. The team assists a wide range of regulated entities in confidential investigations with potential criminal exposure and is frequently engaged on multi-jurisdictional fraud disputes. Megan Hooper and Audrey Byrne oversee the practice, with extensive experience in regulatory and criminal investigations, and fraud-related investigations, respectively.

Large companies, financial institutions, public bodies and high-net-worth individuals turn to William Fry LLP’s white-collar crime team for assistance with a diverse range of mandates, including money laundering, corruption and anti-competition-related matters. The group frequently advises clients in regulatory actions and investigations brought by various authorities, as well as court proceedings emanating from alleged corporate raids, conspiracies to defraud or international sanction regimes. Paul Convery and Laura Murdock, who jointly lead the team, maintain an active docket of white-collar crime cases, including issues related to sanctions and multi-jurisdictional disputes involving financial crime. Head of the litigation and investigations department Garrett Breen is another key lawyer.

Byrne Wallace Shields LLP‘s white-collar crime and regulatory investigations team is noted for its ability to act on both the prosecution and defence sides of complex criminal and regulatory investigations. The team designs proactive corporate defence strategies and has specific expertise in cybercrime criminal investigations, as well as broader experience in contentious civil enforcement work. A standout feature of the practice is its deep involvement in the public sector, including drafting enforcement legislation. Jon Legorburu, who co-heads the group, has extensive experience in assisting clients through major internal investigations, with further support from Eoin Mac Aodha, who joined in September 2025. Also leading the group is Sean O’Donnell, who is a name to note for contentious regulatory work.

Covering all aspects of white-collar crime and regulatory investigations, the team at Matheson LLP is well-equipped to advise on prevention, detection, reporting and risk management issues. The practice is highly experienced in assisting a diverse client base in matters related to fraud, bribery, corruption and money laundering. With particular expertise in high-profile financial services disputes, Karen Reynolds leads the team and is active on contentious regulatory mandates including cybersecurity incidents, sanctions and insider dealing. Connor Cassidy is another key member of the team.

Led by Barry Cahir, the team at Beauchamps LLP is adept at advising on a broad spectrum of white-collar crime mandates, including those related to allegations of corporate criminality, bribery, corruption and financial irregularities. Cahir is particularly well placed to advise on insolvency-related fraud, asset recovery, or restriction, disqualification and statutory complaints against directors. Another key team member is Thomas O’Dwyer, who often assists clients to navigate allegations, investigations or processes in the early stages.

Particularly well-positioned for cross-border mandates, Dentons Ireland LLP advises on a broad range of fraud and business crime matters for large domestic and international clients across various sectors, including the financial services, technology, sports and manufacturing industries. The ‘outstanding’ Karyn Harty leads the disputes team, which is well-equipped to handle regulatory and criminal investigations, defences and disputes. Gareth Steen is at the helm of the restructuring and insolvency practice.