Ms Cummins joins the pensions and employment benefits group, Mr D’Ardis joins the insurance group and Mr Scanlan joins the competition and regulated markets group.

Commenting on their appointments, Geoff Moore, managing partner, said: “We are delighted to announce the appointment of Deirdre, Ronan and Stephen to these key roles. Their skills and experience will bring huge benefit to our clients as they navigate increasingly complex legal and regulatory landscapes.”

Orla O’Connor, the firm’s chair, added: “Congratulations to Deirdre, Ronan and Stephen on their appointments. Of Counsel play a really important role in our client teams, as their specialist expertise means that we can continue to deliver commercially focused, practical advice to support clients in their objectives.”

Ms Cummins advises on all aspects of pensions law and is a member of the Pensions Council.

She advises on the ongoing management and administration of occupational pension arrangements from establishment to winding up, including regulatory compliance, trusteeship issues, drafting and scheme amendments, GDPR considerations, member communications and restructuring and liability management exercises.

Prior to joining Arthur Cox, she was a partner with another major Irish law firm.

Mr D’Ardis works with clients in the areas of insurance, reinsurance, financial regulation and mergers and acquisitions for insurance undertakings. He advises on portfolio transfers, reinsurance treaties, Solvency II and other regulatory matters, ESG issues, risk management, outsourcing and corporate governance.

Prior to joining the firm, he was senior legal counsel with a global insurance provider.

Mr Scanlan’s practice covers EU and Irish competition and antitrust law. He advises clients on merger control, abuse of dominance and antitrust investigations by the European Commission and the Competition and Consumer Protection Commission of Ireland (CCPC).

He brings a unique perspective to his role, having previously worked at the Competition and Markets Authority in the UK, working closely with Ofcom and the European Commission on a number of cases, and while on secondment to the CCPC.

Prior to joining Arthur Cox, he was with another major Irish law firm.