William S. Gannon

Joseph G. Mattson is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Medical Malpractice Law - Defendants. Joseph G., who practices law in Manchester, New Hampshire, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph G. is held by other top lawyers in the same geographic and legal practice area.

I chair our firm’s Mergers & Acquisitions Team of 15 transactional attorneys and tax specialists and assist our firm clients with regard to achieving their estate planning objectives. Having more than 30 years’ experience as an M&A attorney and corporate advisor, combined with being a CPA and having a master’s degree in taxation, provides me with a unique background and perspective to advise the firm’s business clients in achieving their goals in the most timel...

Todd concentrates his practice on the defense of civil lawsuits and regulatory matters, mostly on behalf of health care providers, contractors and other professionals, corporations and their insurers. He is a regular presenter at continuing education programs for attorneys, health care providers and insurance professionals. He has been a contributing editor to the Tort Law Reference: A Fifty State Compendium, since 2008.

K. Joshua Scott is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. K. Joshua, who practices law in Portsmouth, New Hampshire, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which K. Joshua is held by other top lawyers in the same geographic and legal practice area.

Heather Menezes is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Heather, who practices law in Manchester, New Hampshire, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heather is held by other top lawyers in the same geographic and legal practice area.

Katherine Battles is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Katherine, who practices law in Manchester, New Hampshire, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine is held by other top lawyers in the same geographic and legal practice area.

Bill concentrates his practice on tax-exempt financing transactions, land use and zoning, and commercial real estate transactions. He has served as counsel to borrowers, purchasers, and issuers in connection with the issuance of over a billion dollars in tax-exempt bond financings. In addition to serving as general counsel to the New Hampshire Health and Education Facilities Authority, Bill has represented a wide range of borrowers, including schools, colleges, universities, hospitals, and nu...

Matt Serge is the Practice Group Leader for the Municipal Group in New Hampshire. He focuses his practice on serving the legal needs of towns and cities on the full spectrum of municipal law issues including land use matters, zoning enforcement actions, New Hampshire’s Right to Know Law, welfare assistance, tax abatements, real estate, elections, contracts, employment matters, and government relations. Matt regularly represents clients before state and federal trial and appellate courts...

Ronald L. Abramson is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Ronald L., who practices law in Manchester, New Hampshire, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ronald L. is held by other top lawyers in the same geographic and legal practice area.

Michele Kenney is the Partner-in-Charge of the firm’s Portsmouth, NH, office and a member of the Litigation Practice Group. She enjoys a diverse commercial litigation practice and appears regularly in federal and state courts in New Hampshire. Michele represents multinational corporations, medium and smaller-size businesses, individuals, and national and regional financial institutions in a wide range of disputes, involving, for example, issues of fiduciary duty, fraud, breach of contra...