Arthur Cox has an outstanding record in large disputes and investigations. It frequently represents clients in cases before the Commercial List of the High Court and has an extensive record in alternative dispute resolution (ADR), including mediation, arbitration, expert determination and conciliations. It has continued to earn accolades for roles in large regulatory disputes. Eve Mulconry is head of the litigation, dispute resolution and investigations team, while corporate crime expert Joanelle O’Cleirigh and Keith Smith are also prominent practitioners. Richard Willis is noted for financial and technology-related disputes, along with regulatory investigations, with Michael Twomey and Deirdre O’Mahony also impressing. Andrew Lenny is now a consultant.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Proactive team with strong professional ethics, delivering high quality output. We have a solid trust in the work they do and their advice is important to us for any strategic decisions regarding the case.’

  • ‘Michael Twomey is very knowledgeable, pragmatic and approachable. He has a strong experience in litigations and pays attention to details while remaining close to the client's business priorities. He and his team have thoroughly followed-up on matters of importance to us.'

  • ‘Richard Willis - always crystal clear, commercial advice. Incredibly responsive and always available. Conall O'Shaughnessy - clearly a rising star. Commercial, responsive, and proactive.’

  • ‘Keith Smith is a trusted adviser who offers practical and commercial solutions. A tactical expert who works boundlessly to deliver for his client. Trust me, you want Keith in your corner.’

  • ‘I have worked with Deirdre O'Mahony over a number of years where she has advised on sensitive and complex regulatory matters. Her advice is second to none, she provides clear, well thought through and pragmatic advice. She knows the right questions to ask to ensure the best possible response is put forward. She is extremely responsive, has an excellent attention to detail and is a pleasure to deal with.'

  • 'Andy Lenny takes the time required to listen to the client so that he has a clear and full understanding of the clients needs. He is an excellent communicator and a strategic thinker, always working to identify a solution that meets the needs of the business. A highly effective and skilled lawyer. ’
  • ‘Michael Twomey has great judgment and client care skills and is a brilliant litigator. He remains calm and steady even in the eye of the storm. Eve Mulconry is tenacious and always goes the extra mile for her clients.’

  • ‘Eve Mulconry is our go to. She is available, responsive and incredibly strategic. She respects and fully understands her clients' needs and tailors her legal strategy accordingly. She is a pleasure to work with, with never-ending enthusiasm and energy. ’

Key clients

  • AB Volvo
  • Bank of Ireland
  • Central Bank of Ireland
  • Chanelle Pharma
  • CRH  and Roadstone
  • daa
  • Davy Target Investments
  • Dawn Meats Ireland
  • Facebook Ireland
  • Hines Real Estate
  • The Clunetech Group
  • Irish Bank Resolution Corporation (In Special Liquidation)
  • Island Capital Management
  • KBC Bank plc
  • Marlet Property Group
  • McKesson Corporation
  • Ulster Bank
  • MCD Productions
  • Green Property Group
  • Davy Hickey Properties
  • Religious Sisters of Charity
  • Ryanair
  • SynerySuite
  • OHM Group
  • Aga Khan

Work highlights

  • Advised Eir on the first ever case to test the investigative powers of Commission for Communications Regulation (ComReg) under the new legislative regime.
  • Advised Energia in a successful Commercial Court judicial review against the Commission for the Regulation of Utilities.
  • Advised and represented Hines Real Estate Ireland in defending three cases challenging the grant of planning permission for over 1,100 residential units in Dublin city centre.

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.
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.

Eve Mulconry

Other key lawyers

Joanelle O’Cleirigh, Keith Smith, Richard Willis, Michael Twomey, Deirdre O’Mahony, Andrew Lenny, Conall O'Shaughnessy