About
M. Seamus Cuddy is an associate in Sheehan Phinney’s Corporate Group in Boston, Massachusetts whose practice focuses on corporate and business law. Cuddy advises businesses on entity formation, contracts, compliance, mergers and acquisitions, and other general corporate matters. The practice includes business formation, governance, regulatory compliance, commercial agreements, mergers and acquisitions, and day-to-day corporate counseling. Cuddy helps businesses and organizations with corporate and transactional needs structure business relationships, document transactions, and manage ongoing legal requirements.
Cuddy earned a B.A. from the University of Vermont, where he was elected to Phi Beta Kappa, and a J.D. magna cum laude from the University of New Hampshire Franklin Pierce School of Law. In law school, he received Daniel Webster Scholar honors and served in a senior editorial role on the law review. This background supports careful legal analysis, clear communication, and practical judgment in matters involving corporate and business law.
Cuddy has experience with corporate work involving entity formations, compliance, mergers and acquisitions, and contracts, together with earlier judicial, municipal, and business-immigration experience. He has completed a judicial residency with a federal magistrate judge and legal work with the Manchester city solicitor before entering corporate practice. Across these matters, the work requires careful preparation and attention to the legal, factual, and practical issues that affect the client’s position.
M. Seamus Cuddy builds a corporate practice on strong academic, judicial, municipal, and transactional experience. He is admitted in New Hampshire and Massachusetts and works from Sheehan Phinney’s Boston office. The practice combines careful corporate drafting with practical experience across public and private legal settings. This approach helps clients understand available options, evaluate risk, and move important matters forward with informed legal guidance.
Law Office Affiliations
- Attorney, Sheehan Phinney
- Member, New Hampshire Bar Association
- Member, Massachusetts Bar Association
Licensed State
- New Hampshire
- Massachusetts
Education
- University of New Hampshire Franklin Pierce School of Law
Juris Doctor (JD) Magna Cum Laude - University of Vermont
Bachelor of Arts (BA)
Awards & Badges


- Banking & Finance
- Business Litigation
- Cannabis Law
- Contracts & Agreements
- Corporate & Incorporation
- Financial Markets & Services
- Limited Liability Company (LLC)
- Mergers & Acquisitions
- Professional Liability
- Tax
- Venture Capital
- Employment Litigation





