Licensed private investigation firm serving Nashua, the Gate City, and all of southern New Hampshire. Former law enforcement. Court-admissible evidence. Free confidential consultation.
Serving Nashua, NH: Nashua is NH’s second-largest city and sits on the Massachusetts border — making dual-state licensed investigators particularly valuable here. Cases that start in Nashua often cross into Lowell, Lawrence, or Haverhill MA. Our NH and MA licensure means no jurisdictional gaps, no hand-offs.
Private Investigation Services in Nashua, NH
Nashua’s position on the NH–MA border creates a distinct investigative environment. Subjects regularly cross state lines — commuting to Lowell or Lawrence, maintaining relationships in both states, or deliberately leveraging the border. Our dual-state licensure in both New Hampshire and Massachusetts means we follow cases wherever they lead.
Cheating Spouse Investigation
Covert surveillance across NH and MA for Nashua-area infidelity cases. Court-admissible documentation.
Surveillance Investigations
Workers’ comp, insurance fraud, corporate misconduct, and personal injury defense surveillance.
Child Custody Documentation
Parental behavior and visitation compliance documentation for NH Family Division proceedings.
Background Checks & Skip Tracing
Professional background investigations and people-locate services for Nashua individuals and businesses.
Corporate Investigations
Employee theft, workplace fraud, due diligence, and vendor vetting for Nashua-area businesses.
Missing Persons & Locate
Find missing family members, locate witnesses, and skip trace subjects across NH and MA.
The NH–MA Border Advantage
Nashua’s unique geography — minutes from Lowell, Lawrence, and the Massachusetts market — means many of our Nashua-area cases involve activity on both sides of the border. An investigator licensed only in New Hampshire cannot legally conduct surveillance in Massachusetts. We hold active licenses in both states and operate seamlessly across the border.
This matters for infidelity cases where a spouse is seeing someone in Lowell. It matters for workers’ comp surveillance when the claimant is observed doing physical labor across the state line. It matters for corporate investigations when a suspect vendor operates from both NH and MA addresses.
Areas Near Nashua We Also Serve
We serve the full southern NH corridor including Hudson, Merrimack, Milford, Amherst, Bedford, Londonderry, Derry, and Salem, NH. Cross-border into Massachusetts we cover Lowell, Lawrence, Haverhill, Methuen, and the northern MA region.
Frequently Asked Questions
Is there a licensed PI in Nashua, NH?
Yes. Donahue Investigative Services (NH License #M-2025-0424, MA License #LP1599A) serves Nashua and all of southern NH. We’re dual-licensed — critical for Nashua cases that cross into Massachusetts. Call 603-785-2800 for a free confidential consultation.
What PI services are available in Nashua?
Cheating spouse surveillance, child custody documentation, workers’ comp fraud, insurance investigation, background checks, skip tracing, corporate investigations, missing persons locate, and litigation support. All evidence is court-admissible and gathered by licensed investigators.
Why does dual NH/MA licensure matter for Nashua cases?
Nashua sits on the MA border. Cases regularly cross state lines — a subject conducting activity in Lowell or Lawrence, a spouse meeting someone in Massachusetts, a worker observed doing physical labor across the border. A PI licensed only in NH cannot legally surveil in MA. We hold both licenses and follow cases wherever they lead.
Free confidential consultation: 603-785-2800 — NH License #M-2025-0424 · MA License #LP1599A
