About
Sean M. Davidson is an attorney with Welts, White & Fontaine in Nashua, New Hampshire, where he joined the firm in 2022. His practice focuses on trusts and estates, probate, and guardianships. He assists clients with wills, trusts, estate planning, probate administration, and court proceedings involving guardianship. His background also includes Medicaid law and work involving charitable trusts, giving him experience with legal issues that can arise when clients plan for property, care needs, beneficiaries, and fiduciary responsibilities.
Davidson earned a Juris Doctor from the University of Oregon School of Law and also holds master’s and bachelor’s degrees in justice studies. His education supports legal analysis and planning in matters involving estate documents, fiduciary duties, court procedures, and long-term personal and financial arrangements. The justice studies background also complements his experience with public-sector and regulatory work.
Davidson previously worked for a regional firm handling Medicaid law and served with the New Hampshire Attorney General’s Charitable Trusts Unit. He has also taught law-related classes at Southern New Hampshire University. These roles add public, regulatory, and educational perspectives to his current work in estate planning, probate administration, trusts, and guardianship proceedings. That experience supports a practical approach to evaluating facts, managing procedure, and developing strategies suited to the legal issues presented.
Sean M. Davidson combines estate planning and probate work with experience in Medicaid law, charitable trusts, and legal education. His practice helps individuals and families organize estate documents, address administration after death, and navigate guardianship or other court-supervised processes when needed. He focuses on the legal requirements associated with planning, fiduciary responsibilities, and the orderly management or transfer of assets.
Law Office Affiliations
- Attorney, Welts, White & Fontaine, P.C.
- Member, New Hampshire Bar Association
Licensed State
- New Hampshire
Education
- University of Oregon School of Law
Juris Doctor (JD)
Awards & Badges

- Probate
- Trusts
- Wills & Living Wills
- Guardianship
- Animal & Dog Bites
- Car Accidents
- Slip & Fall Accidents
- Trucking Accidents
- Wrongful Death
- Litigation
- Workers' Compensation





