Massachusetts’s #1 Licensed Private Investigation Agency
Licensed Private Investigators
Serving New England
“Your Trusted Partner in Uncovering the Truth”
ATech Investigation Services is a licensed private investigator in Massachusetts delivering discreet, professional, and confidential investigations for over 40 years.
Licensed in 5 States
MA · ME · RI · CT · NH
100% Confidential
Client privacy guaranteed
Who we are
ATech Investigation Services
A fully licensed PI agency with nearly 40 years serving individuals, attorneys, and corporations across New England. Led by James L. Pero — featured on local news for locating missing persons and known for executive protection of celebrities and corporations.
What we do
Full-Spectrum Investigations
From infidelity surveillance and background checks to TSCM bug sweeps and executive protection — 8 specialized services, all handled with discretion, professionalism, and results-driven precision. Every case is built around your specific situation.
Where We Work
All of New England
From infidelity surveillance and background checks to TSCM bug sweeps and executive protection — 8 specialized services, all handled with discretion, professionalism, and results-driven precision. Every case is built around your specific situation.
Our Services
Private Investigator Services in Massachusetts Tailored to Your Situation
We handle sensitive matters with the care, discretion, and confidentiality they deserve. Every investigation is built around your specific needs.
Bug Sweeps & TSCM Debugging Services
Former law enforcement and military-trained technicians use RF detectors, thermal cameras, and spectrum analyzers to detect hidden cameras, microphones, and GPS trackers in homes, offices, and vehicles.
Cheating Partner & Infidelity Investigations
Suspecting your partner of infidelity? Our discreet surveillance investigators document activities with state-of-the-art equipment, delivering clear, court-admissible evidence – and the truth you deserve.
Missing Person Investigations
With a 90% success rate, ATech locates missing children, runaways, biological parents, deadbeat spouses, witnesses, missing heirs, and more – in the U.S. and worldwide.
Background Checks & Due Diligence
Personal and corporate screening: criminal records, driving records, court records, sex offender status, property ownership, worker’s compensation history, and more. Know who you’re dealing with.
Civil Investigations & Legal Support
Trusted by attorneys since 1983. We provide surveillance, witness location, background checks, and polygraphs for civil and criminal cases. Our court-admissible reports substantiate your client’s claims.
Polygraph & Lie Detector Services
Certified polygraph examiners administering court-recognized lie detector tests for individuals, attorneys, and corporations. Used in infidelity cases, employee theft investigations, and legal proceedings throughout New England.
About ATech
Why ATech Is Massachusetts’s #1 Private Investigator
ATech Investigation Services, Inc. is a fully licensed private investigative agency built on three core principles: Peace of Mind, Confidentiality, and Results. We have been trusted by individuals, attorneys, and corporations for over four decades.
Our team brings investigative expertise from both the field and the office — equipped with advanced database access, surveillance technology, and the kind of instinct that only decades of real-world experience build.
James L. Pero
President & Licensed Private Investigator — 40 Years Experience
James L. Pero has nearly 40 years of investigative experience throughout Massachusetts and nationwide. Licensed Private Investigator specializing in missing persons, infidelity surveillance, civil work for attorneys, TSCM debugging, asset searches, and background checks. Jim has been featured on local news for successfully locating missing persons — including personally locating his four siblings after 39 years of separation — and has provided executive protection for both celebrities and corporations. He is known for being trustworthy, reputable, fair, and thorough.
Miriah Killeen
Investigator — Office & Field
Miriah holds a Bachelor’s Degree from Colby-Sawyer College and brings experience in both office and field investigation. She specializes in database searches, surveillance, background checks, and civil work for attorneys. If you feel more comfortable speaking with a female investigator, Miriah is here to listen.
98%
Success Rate
A Proven Track Record in Missing Person Investigations
ATech has a 98% success rate locating missing persons — one of the highest in New England. President James L. Pero personally located his four siblings after they were separated and given up for adoption over 39 years ago.
Whether you’re searching for a missing child, a biological parent, a runaway, a deadbeat spouse, a witness, or a missing heir — in the U.S. or anywhere in the world — ATech can help reunite you with your loved one quickly and confidentiall
Common Questions
Frequently Asked Questions
Everything you need to know about hiring a private investigator in Massachusetts and New England. All consultations are free and completely confidential.
Coverage Area
Serving Clients Across New England and Beyond
As one of the most established private investigation agencies in the Northeast, our investigators are licensed and ready to deploy — statewide, regionally, or nationwide when your case demands it.
Massachusetts Maine Rhode Island Connecticut New Hampshire New York
Contact Us
Discreet & Confidential — We’re Here to Listen
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