A&L Goodbody LLP houses an established offering which regularly advises clients on data privacy, policy formation and cross-border data transfers. Practice head John Whelan  has a great deal of regulatory and contentious expertise within data protection and technology. John Cahir regularly assists multinational corporations and domestic clients with both contentious and non-contentious matters. Andrew Sheridan often advises on data regulation issues, including data privacy crises and investigations and new data uses, while Chris Bollard acts for a broad range of clients in the e-commerce sector. Andrea Lawler and Mark Ellis are key names of note within the practice. Aideen Burke was a new arrival in 2023.

Arthur Cox acts for a diverse client list of top international and domestic blue-chip clients in the full range of data protection and cyber security mandates. Key areas of strength for the practice include cross-border GDPR compliance projects, regulatory investigations and enforcement actions undertaken by the Data Protection Commission and EU data protection supervisory authorities. Rob Corbet oversees the practice and is an expert in handling data commercialisation and protection issues, especially in relation to cyber-security law. Colin Rooney routinely assists corporations with international data transfers and has extensive expertise in data breaches. Olivia Mullooly provides support on IP mandates, while Ian Duffy advises on data transfer strategies.

Mason Hayes & Curran LLP  maintains a strong track record for advising domestic and international companies on GDPR. Acting for a number of notable clients, including Meta, the practice assists data-driven companies, start-ups and government institutions. Philip Nolan  leads the practice, primarily focusing on GDPR compliance projects. Oisín Tobin  often assists clients with data privacy-related litigation, and investigations by European data protection authorities. Jevan Neilan is well-versed in the development of structures for international data transfers and data flows. Áine Quirke is noted for advising technology companies on their international expansion plans and privacy structures in Europe.

Matheson LLP handles the full spectrum of data protection mandates, including data processing work, security breaches, and issues relating to the rights and complaints of data subjects. The department is characterised by its diverse sector capabilities, acting for prominent clients in the software, finance, pharmaceutical, tech, and manufacturing industries. Practice head Anne-Marie Bohan is noted for her longstanding experience in pre-GDPR and GDPRs policies. Data protection and privacy litigation specialist Deirdre Crowley focuses on cyber incidents, artificial intelligence law and employment-related privacy issues. Michael Byrne is a key name on the contentious side of the practice.

The team at McCann FitzGerald LLP regularly handles a wide variety of matters concerning cybersecurity, data protection and privacy policies. the group assists an array of national and international technology companies and public sector entities with GDPR compliance. Paul Lavery oversees the team and has in-depth expertise in assisting clients with all data protection obligations, including compliance strategies and data transfers outside the EEA. Adam Finlay regularly acts as an EU GDPR representative for non-EU companies, while Doug McMahon assists clients with personal data breaches and statutory investigations brought by the Data Protection Commission.

ByrneWallace LLP handles the full gamut of issues pertaining to privacy and data protection, including freedom of information, breach management and cybersecurity compliance. ‘Exceptional‘ practice head Seán O’Donnell demonstrates broad expertise in GDPR compliance, assisting both private sector organisations and public bodies with data access requests and data security breaches. Zelda Deasy has longstanding experience in drafting and reviewing data transfer agreements and data protection policies, in addition to international data transfers and data processing agreements.

DAC Beachcroft Dublin‘s data, privacy & cyber department is characterised by its diverse client base, consisting of companies within the construction, finance, pharmaceutical, professional regulatory, tech and transport industries. The group handles a broad range of matters involving data protection, privacy and cybersecurity. Practice head Rowena McCormack is noted for her experience in crisis management and security breaches, in addition to GDPR implementation, and regulatory and commercial law expert Aidan Healy co-heads the team, often assisting clients with commercial cyber risk and data protection contracts.

DLA Piper Ireland LLP houses a broad team, known for its experience in handling a broad range of mandates, including GDPR compliance projects and security breaches, in addition to data-driven marketing issues. John Magee leads the team and regularly acts for clients in matters concerning data governance and regulatory investigations. Conor McEneaney is particularly adept at negotiating and drafting complex outsourcing agreements, while Eilís McDonald utilises her background in commercial technology to assist with e-privacy issues and outsourcing transactions in the financial services sector.

Praised by clients for having an 'excellent mix of strong expertise and deep practical experience', the team at Eversheds Sutherland advises numerous multinational clients on pan-European data protection rules, and their interplay with GDPR and other commercial agreements that apply within Ireland. Marie McGinley leads the practice and is known for handling cybersecurity matters, outsourcing arrangements and international data transfers. Ellie Cater has in-depth expertise in handling data protection, eprivacy, and freedom of information matters, assisting a range of public and private sector clients.

The team at William Fry LLP is noted for assisting clients with the full spectrum of contentious and non-contentious data protection issues, ranging from GDPR compliance programmes to international data transfers. Corporate expert Leo Moore leads the team, and is known for handling outsourcing and transactional matters, while David Cullen's primary areas of expertise are contractual agreements concerning the design, development, and implementation of IT projects. John O’Connor's caseload consists of mandates involving the testing, supply, and procurement of blockchain solutions, AI, machine learning. Rachel Hayes is key name within the practice.

Addleshaw Goddard advises both local and international clients on a wide range of data protection matters across multiple industries, including gaming, education, telecoms and healthcare. The team is also noted for its proficiency in regulatory investigations conducted by the Irish Data Protection Commission. David Hackett leads the team, maintaining a GDPR compliance, privacy and freedom of information focused practice, while Jane Farren is well placed to advise on IT matters and transfers of data outside of the EEA, in addition to the data protection aspects of M&A.

The group at Beauchamps LLP displays broad expertise spanning a range of matters, including cybersecurity and data sharing arrangements. Typically assisting national and international corporations, the team often advises on international transfer of personal data, data access requests and GDPR compliance. Maureen Daly heads the practice, advising on global data transfers and breaches, managing issues involving the DPC and Information Commission. Damian Maloney's primary areas of focus are data outsourcing agreements and contractual measures for protection.

Under the leadership of Barry Fagan, the privacy, security and information law practice at Fieldfisher advises on the full range of data privacy and security matters, from pre-incident advice and policy formation to regulatory compliance. Fagan is a regulatory expert who acts for public bodies and regulated entities.

Hayes Solicitors LLP's practice is well-versed in matters concerning data security breaches and GDPR compliance. One of the key strengths of the team is its expertise in marketing, advertising and e-commerce. Leading the team is Laura Fannin, who has a strong reputation for handling both contentious and non-contentious issues surrounding data-sharing agreements and breaches. David Phelan specialises in DPC inquiries and data protection litigation.

The team at LK Shields Solicitors LLP provides data privacy and data protection advice to domestic and global clients operating in Ireland. The team handles the full range of contentious and non-contentious matters relating to international data transfers, data protection policies, audits and breaches. Jane O’Grady has significant experience in the data protection aspects of corporate acquisitions, investments and joint ventures. Aideen Burke left the firm in 2023.

RDJ LLP’s cyber and data protection team assists clients with the full array of issues concerning GDPR compliance and cybersecurity, which are core areas of focus for the team. The group primarily advises clients from the healthcare, technology, manufacturing, media and pharmaceutical sectors. Ricky Kelly, who leads the team, is noted for his broad knowledge of ransomware and payment redirection fraud.

Walkers maintains its reputation for handling data privacy and protection issues involving GDPR compliance, data security, breaches and international data transfers. Shane Martin, who leads the practice, is noted for his experience in regulatory compliance, and Conor Daly has longstanding expertise in assisting clients with policies, notices and contractual arrangements relating to data privacy.