About
Robert A. Dietz is an attorney at Normandin, Cheney & O’Neil, PLLC, whose practice centers on corporate and business law. He advises corporations, limited liability companies, and business owners on important legal matters. His work includes business purchases, sales, entity formation, ownership disputes, commercial financing, contract issues, employment matters, and commercial real estate. He also assists with estate planning, probate, administration, and trust matters. Through careful guidance, he helps clients manage risk, complete transactions, protect assets, resolve conflicts, and make informed decisions that support long-term goals.
Robert earned a B.S. in Accounting from Lehigh University, graduating cum laude and gaining a solid understanding of financial principles. He was also a member of the Beta Alpha Psi Accounting Honor Society. He later received a J.D. from Duke University Law School, where he developed the legal knowledge, research abilities, and analytical skills needed for complex business matters and client representation across many areas of law.
Robert began his professional career with the firm before serving in the Judge Advocate Corps of the Air Force after completing law school. That experience strengthened his understanding of legal analysis, problem-solving, and public service. He later worked as Counsel within the New Hampshire Department of Employment Security before returning to private practice. Over the years, he has represented businesses, lenders, and organizations, providing practical advice on transactions, governance, financing, compliance, negotiations, and strategic business planning.
Robert A. Dietz has spent decades helping clients address legal challenges that affect business operations and future growth. He works closely with companies, investors, and decision makers to structure transactions, prepare agreements, and resolve ownership concerns. His experience in banking matters, commercial financing, estate planning, probate administration, and real estate transactions allows him to provide comprehensive legal guidance. By offering clear advice and practical solutions, he helps clients protect their interests, reduce uncertainty, meet legal obligations, and achieve their business objectives.
Law Office Affiliations
- Attorney, Normandin, Cheney & O’Neil, PLLC
- Member, New Hampshire Bar Association
Licensed State
- New Hampshire
Education
- Duke University Law School
Juris Doctor (JD) - Lehigh University
Bachelor of Science (BS)
Awards & Badges

- Business Litigation
- Contracts & Agreements
- Franchise, Dealership & Partnership
- Mergers & Acquisitions
- Probate
- Trusts
- Wills & Living Wills




