
Arthur Cox is a key adviser to large corporates and public bodies, notably assisting on mandates related to digital transformation and strategic outsourcing. Specialising in data protection and security, Colin Rooney leads the technology and innovation group, while head of IP Olivia Mullooly advises on GDPR compliance reviews and investigations. With a focus on technological innovation, Rob Corbet is noted for his expertise in the commercialisation and protection of data. Ian Duffy is another key team member, who stands out for his work on complex IT contracts and compliance work more broadly.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Ian Duffy has expertise in financial services outsourcing. He is a fantastic negotiator with an ability to navigate both business needs and regulatory compliance while keeping an eye on getting the deal over the line.’
- ‘Olivia Mullooly is superb. She has outstanding intellectual ability to grasp technical issues and a pragmatic way of analysing risks.’
- ‘The Arthur Cox Technology team stands out as one of the most knowledgeable and respected groups of privacy and technology practitioners in the market. They have supported us on challenging and strategically significant issues, always offering clear and practical solutions.'
- ‘Colin Rooney distinguishes himself with his straight-talking, pragmatic style. Backed by strong technical know-how and a focus on practical solutions, he gives guidance that’s both efficient and easy for the business to put into practice.'
- 'Rob Corbet is a highly trusted adviser and a recognised leader in the field. He consistently delivers strategic, business-focused advice and remains a trusted point of contact for critical matters.'
- ‘The practice provides an excellent service in terms of sound legal advice. However, where they really stand out is in their strategic thinking, knowledge of the regulatory environment and its nuances, and commercial acumen.’
Key clients
- CRH
- Flutter Entertainment plc
- Meta
- Musgrave
- Vodafone
- National Broadband Ireland
- Bank of Ireland
- AIB
- PTSB
- Premier Lotteries Ireland
- Celtic Roads
- NTMA
Work highlights
Advising CRH on a broad range of technology matters, including software and IT services contracts, AI governance, data privacy, data security, contract and technology advisory work.
Advising Flutter Entertainment plc on a range of IT agreements, AI governance, data privacy, data security, contract and online gambling issues, covering multinational contracting and online regulatory issues.
Advising Cabot in relation to a cyber security attack and all related issues (IT security, injunctive relief, regulatory and law enforcement reporting).
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Colin Rooney; Ian Duffy; Olivia Mullooly; Rob Corbet

