The firm recently welcomed Naomi White and Mia Fox to the firm as associates in the litigation and private client teams respectively.

Niamh Durnin and Molly Hamilton-Curran have joined the firm as paralegals, bringing its overall headcount to 22.

Mr Mullen, promoted to director in the employment law and litigation team, joined the firm as an associate six years ago.

Gillian Smyth was also recently promoted to operations manager to oversee daily operations, staff development and client experience across the firm’s three offices.

The expansion comes as the firm said its commercial team enjoyed its busiest quarter on record in Q2, with over £15 million in completed transactions across its commercial property and corporate teams, including a £5.5 million share acquisition.

McCay Legal’s commercial team is led by managing director Gareth McCay, in the commercial/corporate department, and Sinead Creighan, in the commercial property department, and operates across the UK and Ireland.

The firm has offices in Derry/Londonderry, Strabane and Omagh following its acquisition of an Omagh-based firm in March 2025.

Mr McCay said: “There is a misconception that you cannot source commercial legal services in the North West; however, we are seeing our transaction volume and transaction value steadily increasing.

“We have a cross-border multidisciplinary team who are experts in their areas with experience of working for leading commercial firms both in Northern Ireland and GB.

“I am delighted to welcome the new members to the team and to congratulate Aaron and Gillian on their respective and well-deserved promotions.

“Aaron joined the firm as an NQ in 2019, so it is particularly pleasing to see his progress to now lead our employment and litigation team.

“We are committed to enhancing our services to our clients and, to do so, we are training and developing the next generation of legal advisers and creating much-needed jobs in the region.”

Ms Creighan, who joined McCay Legal in 2024 and holds tri-qualification across Northern Ireland, the Republic of Ireland, England and Wales, said: “Given our location, we have benefited from being able to assist our clients across jurisdictions.

“My recent transactions have included the purchase of an office block in England, the purchase of a factory in Cork and everything in between.

“The North West region is open for business, and we are well equipped to assist commercial clients in achieving their future plans.”

McCay Legal offers legal services in commercial and corporate law, commercial property, employment law, litigation, probate and conveyancing.