Waltham, MA

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Waltham, MA
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Best Private Investigators near Waltham, MA

1 of these agencies is based in Waltham; the others serve Waltham from towns including Boston (9 mi), Woburn (8 mi) and Everett (10 mi).

10 open 24/7 · 13 open weekends · 16 rated 4.5+ · 7 show a license

Data verified October 18, 2026

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New England Security & Protective Services Agency

New England Security & Protective Services Agency

(4)
“We also did a marketing campaign and activation with a street team in and around greater Boston and New England Security once again provided a knowledgeable and professional security team to escort our production crew.”
In Business Since 2003
Free Initial Consultation
Licensed
Accepts All Major Credit Cards
6 Oak St, Waltham, MA
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Shield Investigations

Shield Investigations

(29)
  • Information
  • Team
  • Matter
“Not only was Shield able to undertake the assignment on short notice, but they also did an outstanding investigative job in acquiring multiple videos of the subjects engaging in behavior which will greatly benefit our client at trial.”
In Business Since 2021
Licensed
Emergency Services
Free Initial Consultation
Boston, MA · 9 mi from Waltham
i
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American Investigative Services

American Investigative Services

(2)
“Great place to hire people to investigate basically anything from missing persons to insurance claims and being sued and to just about everything that can be investigated”
In Business Since 1980
BBB Rating: A+
Accepts Paypal
Emergency Services
Brookline, MA · 7 mi from Waltham
i
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Kraft Investigations Group

Kraft Investigations Group

(8)
  • Team
  • Efficient
“All my family members was treated with constant update, reassurance and psychological support necessary throughout the entire investigation.”
In Business Since 2020
Emergency Services
Boston, MA · 9 mi from Waltham
i
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Dinatale Services

Dinatale Services

(1)
“I highly recommend their services.”
In Business Since 2000
BBB Rating: A+
West Roxbury, MA · 8 mi from Waltham
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Claims Bureau USA

Claims Bureau USA

(4)
“Have been in Investigations over 25 years and have worked for several companies and Claims Bureau is by far the best.”
In Business Since 2001
Woburn, MA · 8 mi from Waltham
i

The 24 agencies on this page are the private investigators listed for Waltham, MA. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.

Area overview: Waltham, MA

22 of the 24 agencies on this page have a rating, from 4.0 to 5.0 across 143 reviews; 16 are rated 4.5 or higher. 10 are open around the clock; 13 are open on Saturdays and 12 on Sundays. 7 show a license on their websites and 3 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 46 years. 10 offer urgent consultations; 4 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 24 of the agencies on this page; 22 publish a contact page and 16 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.

Which investigators listed for Waltham describe their work online?

All 24 agencies on this page have a website on file. Those pages are where an agency states its license, the kinds of investigation it takes on, and whether it works mainly for attorneys, for companies or for private clients. That last point changes how a report gets written.

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Bob Long Investigations and Security Consulting Group

Bob Long Investigations and Security Consulting Group

(7)
“In a nationally-publicized death of a Harvard Bio Molecular professor, Bob uncovered evidence overlooked by local authorities that convinced the senior Memphis Medical Examiner to overturn an earlier ruling from suicide to an accident.”
In Business Since 2014
Accepts All Major Credit Cards
Boston, MA · 9 mi from Waltham
i
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Pilgrim Security and Consulting

Pilgrim Security and Consulting

(2)
  • Company
“They have been very inviting to me and I appreciate the attenuative nature they demonstrate when reaching back to me .”
In Business Since 2022
Emergency Services
Braintree, MA · 18 mi from Waltham
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Level Investigations

Level Investigations

(1)
“Our law firm has used Level Investigations many times and always had a great experience working with investigator Dan Collins.”
In Business Since 2013
Free Initial Consultation
Woburn, MA · 8 mi from Waltham
i
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Hallmark Investigation Bureau

Hallmark Investigation Bureau

(1)
“With such a personal transaction as my first home they really made me feel like family and I have not surprisingly heard the same from others I have referred here over the years.”
In Business Since 2016
Licensed
Free Initial Consultation
Lynn, MA · 15 mi from Waltham
i
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Owl Eye Investigations

Owl Eye Investigations

(1)
“I could not have been more satisfied with the service I received from Owl Eye.”
In Business Since 2021
Somerville, MA · 7 mi from Waltham
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Ameriguard Protective Services

Ameriguard Protective Services

(1)
“Professional and detail oriented.”
In Business Since 2022
Emergency Services
Everett, MA · 10 mi from Waltham
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Vaglica Investigations

Vaglica Investigations

(1)
“I was being harassed and threatened almost every single day this year until Jill Vaglica PI found out that I wasn't the only one and that I was dealing with a vexatious litigious person who had me in the crosshairs.”
In Business Since 2023
Newton, MA · 4 mi from Waltham
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Nardizzi & Associates

Nardizzi & Associates

(1)
“Thanks for the help from these investigators in Boston, I was able to find out the truth about someone from some old criminal records.”
In Business Since 2006
BBB Rating: A+
Boston, MA · 9 mi from Waltham
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Summit Investigations

Summit Investigations

In Business Since 2007
Weymouth, MA · 20 mi from Waltham
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NWI Investigative Groups

NWI Investigative Groups

(2)
“I couldnt be happier to have found this company and with time I plan to evolve my skills and education.”
In Business Since 1999
Woburn, MA · 8 mi from Waltham
i
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Metropolitan Protective Service

Metropolitan Protective Service

(2)
  • Company
“Definitely recommend them!”
In Business Since 2003
Licensed
Boston, MA · 9 mi from Waltham
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Michael B Fixman Constable

Michael B Fixman Constable

(1)
“Professional”
In Business Since 2000
Licensed
Emergency Services
Everett, MA · 10 mi from Waltham
i
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Sannecure

Sannecure

In Business Since 2017
Belmont, MA · 4 mi from Waltham
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Boston Computer Forensics

Boston Computer Forensics

In Business Since 2006
Boston, MA · 9 mi from Waltham
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Marquet International

Marquet International

In Business Since 2006
Wellesley, MA · 7 mi from Waltham
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MAP Investigations

MAP Investigations

(30)
  • Call
  • Stars
  • Court
“As a criminal defense attorney, I have used MAP investigations on well over 200 investigations and have been always been pleased with the level of quality of service I have received over the past ten years I have been working with them.”
In Business Since 2014
Emergency Services
33 mi from Waltham
i
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Ocean States Investigative Group

Ocean States Investigative Group

(12)
  • Knowledge
  • Information
“Because I live in Ohio and the person who owed me money was in Maine he was able to collect the information needed from me and paid a visit to the person in Maine who wrote out a check immediately and he mailed it to me.”
In Business Since 2008
Licensed
Accepts All Major Credit Cards
Emergency Services
Beverly, MA · 22 mi from Waltham
i
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NSI National Scope Investigations

NSI National Scope Investigations

(2)
“They actually listen to what you say and incorporate that while doing the investigation.”
In Business Since 2016
Licensed
Emergency Services
Austin, TX · 1685 mi from Waltham
i
HomePrivate Investigation and Detective AgenciesMassachusettsWaltham, MA

Private Detective Services in Waltham, MA Cost Estimates

Minimum cost
$324
Maximum cost
$10259
National Average
$1296
Avg Per Hour Rates
$135
$756
$2160
Fair price range is based on 508 cost profiles
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Average Cost $1296
Minimum cost $324
Maximum cost $10259
Avg Per Hour Rates $135

Fair range $756 to $2160 is based on 508 cost profiles.

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Private Investigators near Waltham

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