Arthur Cox houses a broad offering, which regularly advises a diverse range of clients on the full gamut of contentious and non-contentious matters, from inquiries and judicial reviews to the development of major infrastructure and energy projects. The team frequently works with regulatory and statutory bodies, providing strategic advice across the public sector. Joanelle O’Cleirigh leads the litigation and investigations side of the practice and regularly represents clients before the Irish and European Court of Justice, and Aaron Boyle heads the infrastructure, construction and utilities group. Kate O’Donohoe is also recommended.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The team's knowledge and experience is exceptional, and that is what we value most when choosing a legal partner.’
  • ‘Danielle Conaghan has given us exceptional service this year, which is why we have continued to use them on all projects.’
  • ‘The Arthur Cox team, particularly Aaron Boyle, respond promptly and provide practical legal advice.’
  • ‘Aaron Boyle of Arthur Cox is very prompt at responding and provides practical legal advice.’
  • ‘Diverse team with excellent expertise and experience.’
  • ‘Highly qualified and experienced staff that are approachable.’

Key clients

  • Minister for Finance
  • Minister for Housing, Local Government and Heritage
  • National Treasury Management Agency
  • EirGrid
  • ESB
  • Coillte
  • daa Plc
  • Bord na Móna
  • Strategic Banking Corporation of Ireland
  • Land Development Agency
  • Child & Family Agency (Tusla)
  • Irish Blood Transfusion Service
  • Cork County Council
  • Bord Iascaigh Mhara
  • Central Bank of Ireland
  • Ervia
  • Office of Public Works
  • Nursing and Midwifery Board of Ireland
  • Mental Health Commission
  • Dental Council
  • Home Building Finance Ireland
  • Trinity College Dublin
  • Irish Rail
  • An Post
  • Future Energy Ireland
  • RTÉ

Work highlights

  • Assisted Tusla with all legal services.
  • Advised the PSRF on the structuring and documentation of its investments.
  • Advised the LDA on its operations, including construction law, property law and planning issues, procurement and other related matters.

Lawyers

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head

The lawyer(s) leading their teams.

Joanelle O’Cleirigh, Aaron Boyle

Other key lawyers

Danielle Conaghan, Kate O’Donohoe