The business law firm of Brennan, Manna, Diamond (BMD) – with nearly 80 attorneys and eight offices across the country – has announced The O’Brien Law Firm, LLC, joined BMD effective January 1, 2023. 

The acquisition is part of BMD’s strategic growth plan to deepen the strength of key practice areas, increase the presence of its Cleveland office, and increase client experience and engagement. BMD will maintain the O’Brien Law Firm’s offices in Beachwood and Willoughby.

The O’Brien Law Firm provides estate planning, including wills, living trusts (simple & complex), powers of attorney, living wills, irrevocable trusts, family limited partnerships, and charitable giving strategies while helping to preserve wealth and minimize estate taxes. They will join the BMD Estate, Wealth & Tax Planning practice area focusing on individuals and small businesses.

“BMD is thrilled to have Michael O’Brien’s team join the BMD business family. We realized what an incredible asset he and his team would be to our growing Estate, Wealth & Tax Planning practice,” said Cassandra L. Manna, BMD Partner. “After several conversations regarding growth and goals, we knew the O’Brien team culture and values aligned with those of our firm: Clients First; Business Family; and Entrepreneurship. We are very excited to see where this relationship takes us and our clients in the future.”

“After a significant amount of very thoughtful and positive discussions, we will be joining the Brennan Manna Diamond family. I am extremely impressed with the proactive, client-centered focus of BMD,” said The O’Brien Law Firm Founding Partner Michael O’Brien. “They are fully supportive and have my shared value to take care of family, clients, employees, and our wonderful friends and advisors. I look forward to being part of the experienced team for many years to come.”