About
William S. Boesch is a New Hampshire and Massachusetts attorney focusing on estate planning, wills, trusts, estate tax planning, probate avoidance, estate and trust administration, probate, estate tax returns, and tax authority representation. His work supports individuals, families, fiduciaries, and beneficiaries who need guidance with planning documents, administration duties, tax filings, and estate matters requiring careful review, practical strategy, and clear legal direction.
William earned a J.D. from The George Washington University Law School. He also earned an A.B. in Government and Political Science from The George Washington University. His education supports estate planning analysis, probate administration, tax review, fiduciary guidance, and client counseling involving wills, trusts, estate tax issues, IRS matters, and state revenue questions.
William’s practice includes estate planning, wills, trusts, estate tax planning, probate avoidance, estate administration, trust administration, New Hampshire and federal estate tax returns, Internal Revenue Service matters, and New Hampshire Department of Revenue Administration representation. He is admitted to the US Tax Court, giving him added background for clients facing estate-related tax issues or disputes requiring federal tax forum knowledge and organized advocacy.
William S. Boesch helps clients address estate and trust matters with preparation, experience, and practical judgment. His work includes planning documents, probate administration, trust administration, estate tax return issues, tax authority representation, and probate avoidance strategies. He is admitted to practice in New Hampshire and Massachusetts. Recognized by Best Lawyers in New Hampshire and Best Lawyers in America, he brings long legal experience to clients seeking informed decisions, orderly administration, and reliable guidance for estate planning and administration matters statewide and locally.
Law Office Affiliations
- Attorney, Robinson, Boesch, Sennott & Daly, P.A.
- Member, New Hampshire Bar Association
Licensed State
- New Hampshire
Education
- The George Washington University Law School
Juris Doctor (JD) - The George Washington University
Bachelor of Arts (BA)
Awards & Badges

- Probate
- Trusts
- Wills & Living Wills




