
Arthur Cox offers comprehensive advice across financial regulation, technology, data protection, and corporate matters. The team is led by an experienced trio: Robert Cain, who advises on regulatory capital, market abuse rules, and securities regulation; Ian Duffy, who specialises in digital transformation projects, commercial contracts, and data protection issues; and Sarah Thompson, who assists clients with authorisations for MiFID investment firms and electronic money institutions.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Extremely commercial. True grasp of complex legal developments and very knowledgeable. One of the best practices out there.'
- ‘Robert Cain is simply the best. Commercial, responsive, easy to deal with, efficient and highly respected in the market. I would trust him with the most complex and sensitive matters due to his excellent knowledge of financial regulation and fintech, his credentials and his solutions-oriented attitude.’
- ‘Robert Cain is a very knowledgeable subject matter expert and provides helpful pragmatic guidance in ambiguous evolving situations. He is supported by a team who have expertise across a range of regulated services and delivers their advice in an accessible and quickly implementable form.’
- ‘Robert Cain is able to confirm a position or provide a steer on the spot without having to go away and think about it further - this is the result of years of experience helping clients.’
- ‘This practice operates at the cutting edge in this space, and its partners and associates have exceptional knowledge of this legal area, combined with an ability to quickly grasp the commercial understanding of their clients.'
- ‘Ian Duffy has a wealth of exceptional expertise in this area, combined with the natural skill and ability to quickly understand and empathise with a client's needs. Ian has always been able to provide direction to clients and to quickly turn complex information and problems into a clear and practical legal solution.'
Key clients
- EML Payments
- Bridge Fund Management Limited
- PFS Card Services (Ireland) Limited
- Bridgepoint
- Astorg
- Hg Capital
- AIB
Work highlights
Acting for PCSIL (and its parent EML Payments) in relation to all aspects of a Central Bank of Ireland supervisory investigation that commenced in May 2021 and the appointment of joint liquidators to the company in January 2024.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Robert Cain; Ian Duffy; Sarah Thompson
Other key lawyers
Vivian Spies; Ciara Anderson


