Best Private Investigators in Waltham, MA

The highest-rated Private Investigator & Detective companies out of 104 vetted & reviewed in the Waltham area.

New England Security & Protective Services Agency

New England Security & Protective Services Agency

(4)
Alarm System Installation & Monitoring, Special Event Security, Executive Personal Protection
“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 2004
Free Initial Consultation
Licensed
Accepts All Major Credit Cards
6 Oak St, Waltham, MA 02453
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Shield Investigations

Shield Investigations

(29)
Hidden Cameras, Detection of Surveillance or Stalking, Phone Wiretap Detection
“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
1 Washington Mall Suite 1156, Boston, MA
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American Investigative Services

American Investigative Services

(2)
Access Control, Threat Assessment, Vulnerability & Security Risk Analysis, Executive Protection
“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 1978
Licensed, BBB Rating: A+
Accepts Paypal
Emergency Services
1 University Rd, Brookline, MA
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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
800 Boylston St 16th Floor, Boston, MA
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Flanagan & Associates

Flanagan & Associates

(22)
  • Questions
  • Call
  • Civil
“If warranted, I wouldn't hesitate to use them again, they've consistently been a pleasure to work with and I would highly recommend them for any personal injury, civil or criminal matter.”
In Business Since 2012
440 Washington St #4, Weymouth, MA
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Dinatale Services

Dinatale Services

(1)
“I highly recommend their services.”
In Business Since 2002
Licensed, BBB Rating: A+
Serving Waltham Area
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Claims Bureau USA

Claims Bureau USA

(4)
Background Investigations, Litigation Services, Social Media Investigations
“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
Serving Waltham Area
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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
Serving Waltham Area
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Pilgrim Security and Consulting

Pilgrim Security and Consulting

(2)
Protective Services, Healthcare Security AND Ancillary Services, Medical Equipment Management
“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
66 Brooks Dr #308, Braintree, MA
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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
300 Tradecenter Dr #4440, Woburn, MA
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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
479 Broadway, Lynn, MA
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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
54 Boston Ave, Somerville, MA
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Ameriguard Protective Services

Ameriguard Protective Services

(1)
“Professional and detail oriented.”
In Business Since 2022
Emergency Services
Serving Waltham Area
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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
321 Walnut St No. 273, Newton, MA
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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
Licensed, BBB Rating: A+
Serving Waltham Area
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Summit Investigations

Summit Investigations

“We conduct thousands of investigations every year.  We have the know how, the equipment, and experienced investigators to get the job done right and give you the evidence that you need.  The Boston private investigators working your case will be eq...”
In Business Since 2007
210 Winter St #203, Weymouth, MA
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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
Serving Waltham Area
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Metropolitan Protective Service

Metropolitan Protective Service

(2)
  • Company
“Definitely recommend them!”
In Business Since 2003
Licensed
45 Newbury St, Boston, MA
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RJD Investigations

RJD Investigations

Criminal Defense, Training, Digital Forensics
“What Our Clients Are Saying ​"Rob, I have been trying to locate someone for quite some time to no avail. I was at my wits end when someone suggested a private detective. You came to the rescue with quick results. Thank you so much for great service a...”
In Business Since 2014
Emergency Services
Free Initial Consultation
Serving Waltham Area
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Michael B Fixman Constable

Michael B Fixman Constable

(1)
“Professional”
In Business Since 2000
Licensed
Emergency Services
Serving Waltham Area
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Sannecure

Sannecure

“It's YOUR case...there are endless ways we can help YOU. Make us your detective unit and let us find the evidence you need. We can help fix your case! If your client is facing a criminal investigation, you need a serious private investigator. Before ...”
In Business Since 2017
Serving Waltham Area
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Ace Investigative Solutions

Ace Investigative Solutions

(3)
“I'm not sure if I can talk about details here, but I can say my fiancee and I are STILL together, and a little mix-up isn't going to stop us from getting married in October!”
In Business Since 2019
Transparent Fees & Pricing
Serving Waltham Area
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Shamshak Investigative Services

Shamshak Investigative Services

Gallery
“Surveillance is conducted to prevent a crime, to obtain evidence of a crime, to obtain evidence of wrongful action in a civil suit, to document an individual's location, to document activities in or around a specific location or building, to obtain i...”
In Business Since 2000
20 Park Plaza, Boston, MA
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Rasips Investigations and Protection Services

Rasips Investigations and Protection Services

“Private Investigator, personal protection services, background investigations, site threat assessment consultations and more...”
In Business Since 2024
2 Abbott St Box 133, Woburn, MA
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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.

Why these companies made our list

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