Geoffrey M. Gallagher


Locations: Concord, NH
Phone: 603-223-2800
Fax: 603-226-2557

Areas of Practice

General Litigation

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Geoff Gallagher is an associate in the firm’s Litigation Group. He works with a broad base of clients, including businesses, public entities, insurance companies, non-profit organizations, and individuals in business, regulatory, and litigation matters. Geoff joined the firm in 2021 and works in our Concord, NH office.

Sulloway & Hollis has been providing clients with the highest quality legal services since 1852. Headquartered in Concord, NH, we are one of the oldest and most respected law firms in the state. Over the years, we have steadily and purposefully evolved to meet the changing needs of our clients and their markets. Today, Sulloway & Hollis is a regional firm with offices across New England, working for a broad range of clients in a diverse array of industries. While our unwavering commitment to client service, personal relationships, and problem-solving has never changed, Sulloway has embraced proven technology advancements that allow us to be more accessible and responsive to our clients.

Mr. Gallagher is a 2003 graduate of Boston College, receiving a bachelor’s in social psychology. He received a master’s from Boston College in social psychology/affective neuroscience in 2006. While in graduate school, he managed a bowling alley where he learned how to play billiards and poker. Afterwards, he managed group homes for developmentally disabled dual-diagnosed adults for three years before answering the call to practice law.

In 2013, Geoff graduated cum laude from the University of New Hampshire School of Law as a Daniel Webster Scholar receiving an LL.M. in intellectual property and a J.D. After graduating he served the people of Carroll County and Sullivan County as an assistant county attorney trying over 30 jury trials to verdict.

His family roots go deep into the history of New Hampshire. His grandfather and great grandfather both served the North Country as lawyers and judges and he spends time each year with family in the Littleton and Whitefield areas. He has served on the New Hampshire Bar Association Ethics Committee since 2013 and was the Sullivan County Bar Governor from 2019-2021. He has been a New Hampshire Bar Examiner since 2020.

Year Joined Firm


Areas of Practice

General Litigation

Bar Admissions

New Hampshire
NH Federal District Court


University of New Hampshire School of Law
J.D., cum laude – 2013
LLM, Intellectual Property – 2013

Boston College
M.A. Social Psychology – 2006
B.A. Social Psychology, 2003

News & Announcements

Professional Associations and Memberships

  • The Daniel Webster-Batchelder American Inn of Court – Executive Board
  • New Hampshire Bar Association Ethics Committee
  • New Hampshire Bar Examiner