1 New Hampshire Ave #350
Pease International Tradeport
Portsmouth, NH 03801

Pierce Atwood LLP is an experienced multiservice law firm dedicated to providing clients with superior service and representation. Since opening in 2001, our Portsmouth office has established a strong regional presence, represented many of the largest companies in New Hampshire, and handled many of their significant deals and cases. Clients that engage one of our Portsmouth, NH attorneys have access to experienced and sophisticated legal talent and to the full resources of a 150-attorney regional law firm.

Experienced Attorneys in Portsmouth, NH

Our full-service Portsmouth law office is comprised of attorneys from practices firmwide, including business and corporate law, patent counseling and prosecution, commercial real estate development and land use, environmental law, trusts and estates, litigation, and employment law. Clients range from Fortune 500 companies and multinational corporations to regional and local enterprises, middle-market companies, closely-held and family businesses, entrepreneurs, and individuals.

Chambers USA , a prominent publisher of law firm rankings, has recognized our Portsmouth business lawyers for their work in venture capital investments and securities transactions, and for their active practice involving public offerings. Chambers sources state, “This is my go-to regional firm. It’s a very strong, full-service team that provides great value for money and really practical advice.”

Our lawyers in Portsmouth, NH exemplify the firm’s commitment to top quality service and strong client relationships.

Pierce Atwood’s Impact in New Hampshire

Attorneys in our Portsmouth office have built long-standing relationships with a variety of organizations and institutions, such as the University of New Hampshire Center for Social Innovation and Enterprise and InventiveLabs, where we provide legal services to startups, entrepreneurs, and early-stage companies. Our Portsmouth attorneys regularly provide pro bono legal services to a wide range of nonprofits and are actively involved in organizations that promote community service and help develop future New Hampshire leaders.

Pierce Atwood attorneys have been honored for their long-term commitment to the delivery of legal services to low-income individuals, including work on a broad range of legal matters through the New Hampshire Bar Association's Pro Bono Referral Program, the New Hampshire Legal Assistance (NHLA) and the Legal Advice and Referral Center (LARC).

Many attorneys also hold leadership positions for national and regional organizations including:

  • Business and Industries Board of Directors
  • Concord Community Music School
  • Federal Court Advisory Committee and Local Rules Subcommittee for the U.S. District Court for the District of New Hampshire
  • Manchester Police Athletic League Board of Directors
  • New Hampshire Bar Association
  • New Heights – Adventures for Teens, Greater Seacoast and Southern Maine
  • Strawbery Banke Museum, Inc.
  • The Center for Family Business, University of New Hampshire
  • Town of Lee Planning Board
  • UNH CEO Forum and Center for Family Business

As a firm, Pierce Atwood is pleased to support the business community in Portsmouth and throughout New Hampshire through our ongoing sponsorship of the Business & Industry Association’s annual business meeting. BIA is New Hampshire’s statewide Chamber of Commerce.

In 2019, through our firmwide charitable giving programs, we are raising funds to support the Doug Flutie Jr. Foundation for Autism, an organization with a mission to help families affected by autism live life to the fullest. To date the Flutie Foundation has distributed over $11 million for grants and programs in New England, New York, New Jersey, Southern California, and in Canada.

In 2017 and 2018 attorneys and staff from our Portsmouth office participated in the United Way’s Day of Caring. We assisted the Strafford Country Nutrition Program assemble a mailing for their annual appeal to generate funding for the Meals on Wheels program in Strafford County.

Our address: Pease International Tradeport, One New Hampshire Ave. #350, Portsmouth, NH 03801

From the South

  • I-95 N to Exit 4 onto the Spaulding Turnpike, which is a left exit.
  • Go approximately 2 miles to Exit 1.
  • At the bottom of the ramp, turn left onto Pease Boulevard (at present, there is no street-name sign), and go through the lights into Pease International Tradeport.
  • Go approximately 2/10 of a mile, straight through a set of lights at the corner of Pease Boulevard and International Drive.
  • Our building is ahead on the left about 300 yards after that light -- identifiable as the building with the very visible blue roof. We are in Suite 350.

From Maine

  • Take I-95 across the bridge into New Hampshire, and approximately one mile ahead take Exit 5 onto the Spaulding Turnpike.
  • Go approximately 1/2 mile to Exit 1.
  • At the bottom of the ramp, turn left onto Pease Boulevard (at present, there is no street-name sign), and go through the lights into Pease International Tradeport.
  • Go approximately 2/10 of a mile, straight through a set of lights at the corner of Pease Boulevard and International Drive.
  • Our building is ahead on the left about 300 yards after that light -- identifiable as the building with the very visible blue roof. We are in Suite 350.

From Points North on the Spaulding Turnpike

  • Take the Spaulding Turnpike south to Exit 1.
  • At the bottom of the ramp, turn right into Pease International Tradeport.
  • Go approximately 2/10 of a mile, straight through a set of lights at the corner of Pease Boulevard and International Drive.
  • Our building is ahead on the left about 300 yards after that light -- identifiable as the building with the very visible blue roof. We are in Suite 350.

From Downtown Portsmouth

  • Go to the Portsmouth Traffic Circle.
  • Take the Spaulding Turnpike (toward Dover) from the circle.
  • Go approximately 1 mile to Exit 1.
  • At the bottom of the ramp, turn left onto Pease Boulevard (at present, there is no street-name sign), and go through the lights into Pease International Tradeport.
  • Go approximately 2/10 of a mile, straight through a set of lights at the corner of Pease Boulevard and International Drive.
  • Our building is ahead on the left about 300 yards after that light -- identifiable as the building with the very visible blue roof. We are in Suite 350.