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Samdperil & Welsh, PLLC

Samdperil & Welsh, PLLC - Portsmouth, NH

Criminal Lawyers in Portsmouth, NH

155 Fleet Street Portsmouth, NH 03801

Portsmouth Criminal Law Firm

Updated: 02/16/2026

Areas of Practice

  • Criminal
  • DWI
  • Personal Injury
  • Car Accidents

Litigation: 95%

Firm Information

Overview

Located in Portsmouth, New Hampshire, the law office of Samdperil & Welsh, PLLC, provides exceptional advocacy and support to those facing criminal charges and traffic-related violations as well as those who suffered an injury or loss as the result of someone else's negligence. In addition, our law firm also provides support at DMV hearings regarding license suspensions and other similar matters as well as divorce modifications, assistance with obtaining protective orders, juvenile delinquency issues and Child in Need of Services cases.

Serving clients throughout Rockingham County and all of the surrounding areas, our law firm has an additional office in Exeter. We have steadily become one of the area's leading legal practices for criminal and DUI defense, traffic violation defense, driver's license issues, personal injury and auto accidents, and family law matters.

This level of success is the direct result of the unwavering dedication we have toward helping our clients achieve the favorable outcomes they deserve efficiently. Each of our founding partners has more than 20 years of experience successfully trying cases in state, federal and appellate courts across our region. Equally effective outside of the courtroom, we have negotiated favorable settlements for our clients, and we are always committed to our clients' needs and helping them protect their rights and liberties.

Compassionate and responsive, we understand what you are going through, and we promise to work directly with you throughout all legal proceedings to help improve the likelihood of achieving the positive results you expect. For more information on how you can begin receiving the experienced, aggressive representation you need for your serious legal matter, you can call Samdperil & Welsh, PLLC, or visit our law firm's website to receive an initial consultation.


Representative Cases

  • State of New Hampshire v. James Hall
    • Citation: 148 N.H. 394
    • Court: New Hampshire Supreme Court
    • Year: 2002
  • State of New Hampshire v. Joseph Heirtzler
    • Citation: 147 N.H. 344
    • Court: NH Supreme Court
    • Year: 2001
  • State of NH v. Anthony Masucci
    • Citation: 2000-550 (unpublished order)
    • Court: NH Supreme Court
    • Year: 2002

Published Works

Articles

  • A Practical Guide to Evidence in New Hampshire, MCLE New England, Chapter 6 - Identification, 2009
    Fourteen of New Hampshire's most noted trial lawyers share their techniques, tips, strategies and best practices for dealing with evidentiary issues in the context of courtroom practice.

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Contact

Google Map

Portsmouth, NH

155 Fleet Street
Portsmouth, NH 03801

Directions

Phone: 603-583-4408

Fax: 603-775-7580

Email: Send a message

Website: https://www.swnhlaw.com/

Additional New Hampshire Locations

Exeter, NH  (Main Office, 11.1 miles)

100 High Street
Exeter, NH 03833

Directions

Phone: 603-583-4408

Fax: 603-775-7580

Email: Send a message

Website: https://www.swnhlaw.com/

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