Arthur Cox LLP is one of Ireland’s leading law firms. We are an “all-island” firm with offices in Dublin and Belfast. We also have offices in London, New York, and San Francisco. Our practice encompasses all aspects of corporate and business law.

With over 530 legal staff and a total headcount of 740, we provide a comprehensive service to an international client base ranging from multinational organisations, banks, and financial institutions and established global leaders to government agencies and new players in emerging industry sectors.

We advise a large number of international clients doing business in and from Ireland. We also advise our Irish clients on their activities and operations abroad. We can assist you anywhere in the world.

In 2023, we were awarded Ireland Law Firm of the Year at the Chambers Europe Awards. The managing partner of the firm is Geoff Moore and the Chair is Orla O’Connor.

Areas of Practice

  • Asset management and investment funds
  • Aviation
  • Banking and finance
  • Capital Markets
  • Construction and Engineering
  • Corporate finance
  • Digital Infrastructure
  • Dispute resolution
  • Energy and natural resources
  • Environment and planning
  • EU and competition/antitrust
  • Financial regulatory
  • FinTech
  • Food and Agri
  • Foreign direct investment
  • Healthcare
  • Insurance
  • Intellectual property
  • Labour and pensions
  • Life Sciences
  • Media
  • Mergers and acquisitions
  • Real estate
  • Restructuring and Insolvency
  • Tax
  • TechnologyTelecoms
  • Transport
  • Utilities

Recent mandates

  • Avadel Pharmaceuticals plc (Nasdaq: AVDL) on three transactions including a $125 million equity offering, a $96 million exchange of convertible notes and a $75 million royalty financing to support the potential commercialization of LUMRYZ™ for the treatment of cataplexy or excessive daytime sleepiness in adults with narcolepsy.
  • Brookfield on its acquisition of the entire issued share capital of Hibernia REIT plc.
  • Flutter Entertainment plc, the leading global sports betting and gaming group, on its €1.9 billion acquisition of Sisal S.p.A from CVC Capital Partners.
  • Global Shares plc, an Irish fintech company managing employee stock plans for some of the world’s biggest companies, on its acquisition by JP Morgan.
  • Goodbody on the sale of its fund management business, Goodbody Fund Management Limited to TMF Group
  • KBC Bank Ireland Limited on its planned withdrawal from the Irish banking market and separately on the sale of its €1.1 billion portfolio of non-performing mortgages loans to CarVal.
  • John Laing, a leading international investor and active manager of core infrastructure assets, on its acquisition of a portfolio of three Irish assets from AMP Capital as infrastructure manager of the Irish Infrastructure Fund.
  • On the sale by Oak Hill Advisors and Twin Point Capital and certain minority shareholders of an 80% shareholding in National Broadband Ireland (NBI) to Asterion Industrial Partners.
  • Permanent TSB plc on its acquisition of certain elements of the Ulster Bank retail, SME and asset finance businesses from Ulster Bank.
  • The Managers on the issue of a €3.5 billion Green Bond by Ireland (acting through the NTMA). The bond is Ireland’s second sovereign Green Bond following an inaugural issue in 2018.


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