'I am excited about the opportunities ahead': Northern Ireland law firm appoints new corporate head after £1.7bn deal year
Partner Glenn Watterson takes charge of the Belfast firm’s growing corporate team after 18 years at the practice and a year in which it advised on more than 100 transactions
Northern Ireland law firm Mills Selig has appointed partner Glenn Watterson as its new head of corporate as the department enters its next phase of growth.
Glenn, who has spent 18 years with Mills Selig, has built a strong reputation advising businesses, investors and entrepreneurs on complex and high-value transactions. He specialises in mergers and acquisitions, private equity and investment funds.
His appointment follows a landmark year for the firm’s Corporate team, which advised on more than 100 transactions in 2025 with a combined value of £1.7bn.
The performance marked the team’s fifth consecutive year of growth and saw it further expand its client base across Northern Ireland, the UK and beyond.
Chris Guy, managing partner at Mills Selig, said Watterson’s appointment recognised his contribution to the firm and its clients: "Glenn's appointment is a thoroughly deserved recognition of the exceptional contribution he has made to our clients, our Corporate team and the firm as a whole.
"Throughout his time with Mills Selig, he has demonstrated the leadership, integrity and commercial judgement that clients value and colleagues respect.
"This appointment reflects both the depth of talent within the firm and our confidence in Glenn's ability to lead the team’s continued growth. His collaborative approach, commitment to developing colleagues and focus on delivering outstanding client service make him very well placed to take the department forward."
Glenn added: "I am delighted to take on the role of head of corporate. Throughout my years at Mills Selig, I have had the opportunity to work alongside exceptional colleagues whose expertise, commitment and teamwork have shaped the department we have today.
"I am excited about the opportunities ahead and look forward to supporting the continued development of our exceptional and dedicated team while continuing to deliver practical, commercially astute legal advice to our clients."