Massachusetts Private Investigators and Investigation Agencies

Massachusetts Private Investigators and Investigation Agencies

Following are private investigators and private investigation agencies in the state of Massachusetts.  Before hiring a Massachusetts private investigator or private detective agency, contact the appropriate Massachusetts state licensing authority to confirm current licensing information.

Massachusetts State Police
Special Licensing Unit
485 Maple Street
Danvers, MA  01923
978-538-6128 voice
978-538-6021 fax

See also: Licensed Private Detectives Association of Massachusetts

Hire a Private Investigator in Massachusetts

The following list of private eyes is in alphabetical order and is by no means a ranking. We encourage you to evaluate each P.I.’s services and select the most appropriate provider based on your individual needs.  Take the time to review the website (if available) and call several different agencies to ask questions and get price quotes.

To learn more about hiring, read our article Tips for hiring a P.I.

A Tech Investigation Services, Inc.

Telephone – 978-264-0593
FAX – 978-264-0595
[email protected]

We provide investigations & surveillance in MA NH & RI with over 25 years experience specializing in Infidelity problems & Corporate matters. We are licensed P-1447, bonded & Insured. Contact us at 888-345-0250.

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Beacon Investigative Associates, Inc.

Owner – James M. Larson, President
P.O. Box 1059, Marshfield, Massachusetts 02050-1059
Telephone –  (781) 834-9300
[email protected]

Offering a wide range of services in New England and throughout the US.  Located in Massachusetts between Plymouth and Boston.

CRS Associates, Inc

Owner – Craig R. Stanley
Po Box 364, Hopkinton, Ma ,01748
Telephone – 774-248-3000

[email protected]


We provide professional and elite investigative services to our clients. We charge reasonable rates, are well respected and provided confidential service to our clients. We have fulltime law enforcement experience in major crime investigation. Please be confident that we can handle your domestic case in the same professional manor. Members of the Massachusetts Police Association (fulltime police Officers) and New England Narcotics Enforcement officers Association. Why would you call anyone else?

Discovery Services: Massachusetts Private Investigator

Owner – Keith L. Walker
P.O. Box 80131, Springfield, Massachusetts  01138
Telephone – 413-788-4988
FAX – (413) 788-4988

[email protected]

Massachusetts private investigators serving MA, CT and RI since 1993. Specializing in surveillance, locates, statements, activity checks, domestic investigations and insurance claim investigations. Call today to speak with a licensed MA Private Investigator, today.

Professional investigations conducted in a cost-effective manner. “Get The Truth. Get The Proof.”

Downtown Investigations

Owner – Justin D. Billard
PO Box 67381 Chestnut Hill, Massachusetts 02467
Telephone – 857-523-0925 (Boston)
FAX – 617-202-5195

[email protected]

Downtown Investigations is a full service, Veteran-owned investigation agency servicing all of Massachusetts that specializes in surveillance, criminal defense, employee theft investigations and the installation of covert cameras.

Downtown Investigations is Licensed (P-1495) in Massachusetts, Bonded & Insured.  We work diligently and pride ourselves on a professional work product that has been repeatedly court tested.

President, Justin Billard is a current-term (2009-2011) Board of Director & member of the Licensed Private Detectives Association of Massachusetts (LPDAM).

Please call us today for a consultation on your case. We look forward to speaking with you.

Guerard Consulting & Investigative Services, LLC

Owner – Richard W. Guerard
P.O. Box 1112 Westborough, MA 01581
Telephone – 508-425-9386
FAX – 508-366-4728

Guerard Consulting & Investigative Services is a full service consulting and investigative agency with over 30 years of law enforcement and investigative experience. Licensed, bonded and insured, GCIS provides the highest levels of integrity and confidentiality to serve all of your investigative needs. Specializing in Civil and Criminal Litigation, Corporate and Personal Protection and Surveillance. MA License No. P-1775.

MacNeil Investigations & Forensic Consulting

Owner: David MacNeil
PO Box 1229
Westford, MA 01886
Phone:  978-846-4388
License P-1682

[email protected]

MacNeil Investigations & Forensic Consulting, is a full service firm that has provided meticulous investigations, superior forensic consulting services, unrivaled protection & cutting edge crime scene training across the U.S. and internationally for years.

  • Provide Confidential Private Investigations
  • Forensic Consulting
  • Executive Protection
  • Forensic and Crime Scene Training

New England Surveillance Specialists, Inc.

Owner – Brian Davis, President

PO Box 300 Ipswich, MA 01938

Telephone – 978-412-9008

FAX – 978-412-9007

[email protected]

New England Surveillance Specialists, Inc. is New England’s largest and most trusted full service investigative agency specializing in surveillance. We are committed to investigative excellence and offer our services to attorneys, individuals, corporations and government and professional organizations. Please look around our website and then phone or email us with any questions. All calls are answered or returned by a member of our team within minutes.

Northeastern Investigative Services

Owner – James Wojnar/ Owner

PO BOX 450 Ludlow, Massachusetts 01056

Telephone – 4135305135

[email protected]


Northeastern Investigative Services is a fully licensed, bonded and insured private investigative firm headquartered in Western Massachusetts. At NIS, we offer many investigative services to meet the needs of our lients of any arena: attorneys, insurance companies, private/corporate companies, or private citizens. All inquiries are taken seriously and handled with the utmost professionalism and confidentiality. Please do not hesitate to contact us with any questions. or 413-530-5135 [email protected] (Massachusetts Private Investigator License #P-1618)

Reliable Source Investigations

Owner – Charles Haskell

P.O. Box 2319 Brockton, MA 02305

Telephone – 508-588-0541

[email protected]



Rockwell Investigations

Owner – Dana Prestone

P.O Box 354 Wakefield, MA 01880

Telephone – 781-231-7625

FAX – 781-394-0484

[email protected]

Rockwell Investigations is a full service nationwide investigation company that is capable of handling all your investigation needs. We are licensed, bonded and insured. We have over eighteen years of experience. We offer a wide range of services for our clients that include attorneys, insurance companies, corporations, other investigation companies and regular people just like you. Some of our services include marital investigations, workers compensation investigations, insurance fraud, loss prevention, as well as locating hidden assets, witnesses and missing persons. Database searches are nationwide. 877-231-7625 [email protected] All major credit cards accepted.

Rollie McCarter Investigative Services

Owner – Rollie McCarter / Private Investigator

PO BOX 1023 – Holyoke, MA. 01041-1023

[email protected]

When considering an investigation agency, you must first select an agency possessing the expertise, technology, and most importantly, the overall investigative techniques to deliver indisputable results and a fond reputation for success. Our agency provides only discreet – competent services – serving clients Nationwide.


519 Somerville Ave. #121, Somerville, MA 02143

Telephone – 617 273 5656

[email protected]

Offers statewide, county-level and national criminal record background checks for employment, tenant, and personal screening.

Simmons Agency, Inc.

Owner – Jon Simmons

396 Main Street Hyannis, MA 02601

Telephone – 800 237 8230

FAX – 508 771 4477

[email protected]

Simmons Agency was established in 1935 and Jon Simmons has over 15 years of field experience. Surveillance is one of our specialties covering domestic, child custody, insurance fraud, labor and employment issues. We investigate Nannies, home health aids conduct background checks. We obtain criminal backgrounds and litigation histories, Marriage and divorce records. The agency director is the past president of the Massachusetts Association of Licensed Detective Agencies and the Council of International Investigators. Massachusetts Private Detective License number P-612.

Summit Investigations

Owner – Robert Reynolds – President

210 winter Street, Suite 203, Weymouth, MA 02188

Telephone – 781-380-8822

FAX – 781-380-8844

[email protected]

Summit Investigations provides investigative services throughout New England. We have 20 years of experience investigating cheating spouses and infidelity issues as well as insurance claims. Summit Investigations has EXPERIENCED investigators that know how to get the job done right. Please refer to our websites and for more information.

Two Highland Investigations

Owner – Roger Bryant

2 Highland rd. Lakeville,Masschusetts.02347

Telephone –  – 508-947-3977

[email protected]

Full service agency, specializing in personal Protection, security reviews of home and business. Background, criminal, and fraud  investigations. We also provide full investigative services for attorney’s including civil investigations and service of process.  All staff are present or former law enforcement officers. All client contacts and investigations are considered proprietary.

Former federal Agent, Police officer, and Deputy sheriff. Ma. License 1591

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