
William Fry LLP boasts a deep bench of specialists advising on both contentious and non-contentious work related to SaaS arrangements, licensing agreements, and data protection. The practice has a robust client base, acting for global technology plcs, social media companies, and household names who rely on the firm for complex regulatory matters. Practice head Leo Moore is well versed in digital transformation strategies, while David Cullen is an expert in large-scale IT project transactions. The ‘exceptional’ Barry Scannell specialises in AI law, John O’Connor is recognised for advising on new technologies, and Rachel Hayes is another stand-out practitioner.
Testimonials
Collated independently by Legal 500 research team.
‘Barry Scannell and Leo Moore are extremely competent and drive best practice in everything they do. They act in an extremely confidential manner with your information and are always solution focused.’
‘Barry Scannell is exceptional in his approach to our business challenges. Persistent in his pursuit of our interests and reliable in his availability and consistent support, I could not recommend Barry highly enough.’
‘Leo Moore - well-informed, practical, calm, professional, reliable, clear communicator.'
‘John O'Connor is head and shoulders over others in terms of expertise in the field of contracts and provides that outside the box thinking you require for industry.’
‘John O'Connor is our go-to for all questions related to EU and Irish technology law.’
‘Barry Scannell is a first class lawyer with tremendous technical and commercial knowledge of a new and transformative area of law. He is able to explain complicated and esoteric information that allows his clients to understand the issues and opportunities they are facing.’
‘Deep technical expertise from the partners while also providing appropriate support at all levels, including senior associate. We work exclusively on AI related matters and I really appreciate the understanding of the technology and how it works, and how we (as a client) should be thinking about implementation of our AI product in a way that is practical and compliant.’
‘To date, I have primarily worked with Barry Scannell. Great depth of understanding of how AI services operate - allows him to give nuanced advice. He is continually up-to-speed on the latest developments in the area, both technological and regulatory and I know he is extremely well-informed with whatever advice he gives.’
Key clients
- Tines
- ConsenSys
- PrepayPower
- Survey Monkey
- Skyscanner
- iCabbi
- Department for the Environment, Climate and Communications
- Towercom
- Cubic Telecom
- Three Ireland Limited
- Uniphar plc
Work highlights
- Advised Tines Security Systems Limited on emerging technology-related work streams.
- Advised Survey Monkey, a global software provider, on a host of commercial contracts and commercialisation strategies in relation to their suite of software products.
- Advised the Department for the Environment, Climate, and Communications on the roll-out of the National Broadband Plan.
Lawyers

Practice head
The lawyer(s) leading their teams.
Leo Moore