Best Private Investigators in Cambridge, MA

The highest-rated Private Investigator & Detective companies out of 109 vetted & reviewed in the Cambridge area.

Shield Investigations

Shield Investigations

(29)
Telephone Debugging, Audio Jamming & Noise Generators, Phone Wiretap Detection
“Very helpful and fast response I called to find a lost brother and they helped me even though I'm on disability they waved the charges and still put the time in for me”
Licensed
Free Initial Consultation
In Business Since 2021
Emergency Services
1 Washington Mall Suite 1156, Boston, MA
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American Investigative Services

American Investigative Services

(2)
Executive Protection, Personal Safety & Active Shooter Training, Threat Assessment, Vulnerability & Security Risk Analysis
“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”
Licensed, BBB Rating: A+
Emergency Services
In Business Since 1980
Accepts Paypal
1 University Rd, Brookline, MA
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New England Security & Protective Services Agency

New England Security & Protective Services Agency

(4)
Student Tour Group Security, Armed Guards, Cannabis Dispensary Security
“I needed emergency guard service and with less than 2 hours notice they were able to get 4 guards to my location to assist with watching all my assets.”
Licensed
Remote Consultations Available
Free Initial Consultation
Emergency Services
Serving Cambridge Area
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Ocean States Investigative Group

Ocean States Investigative Group

(12)
Criminal & Civil Investigations, Insurance Investigations, Private Security
“I had a response to my call within minutes, and within a few hours, and the help of an experienced PI (Ed Spicer) our teen was located and returned to the parents safe and sound.”
Licensed
Emergency Services
In Business Since 2006
Accepts All Major Credit Cards
Serving Cambridge Area
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Kraft Investigations Group

Kraft Investigations Group

(8)
  • Efficient
  • Team
“Before we had our initial meeting, I have to admit that I was a bit skeptical of this case turning out successful.”
Emergency Services
In Business Since 2018
800 Boylston St 16th Floor, Boston, MA
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Flanagan & Associates

Flanagan & Associates

(22)
  • Call
  • Matters
  • Questions
“Though I can't afford the full services 😫😫 he has offered to give me discounted services with a para legal or even a consultation to help me before my appearance!”
In Business Since 2012
440 Washington St #4, Weymouth, MA
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Dinatale Services

Dinatale Services

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

Claims Bureau USA

(4)
Social Media Investigations, Investigative Surveillance, Litigation Services
“(Massachusetts & California 2003-2009) The owner was my mentor, huge respect.”
In Business Since 2001
Serving Cambridge Area
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Bob Long Investigations and Security Consulting Group

Bob Long Investigations and Security Consulting Group

(7)
“Bob has established himself as a trusted profesional who is respected by the law enforcement community, as well as many individuals in and businesses in the public and private sectors.”
Accepts All Major Credit Cards
In Business Since 2016
Serving Cambridge Area
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Pilgrim Security and Consulting

Pilgrim Security and Consulting

(2)
Healthcare Security AND Ancillary Services, Technology Systems Integration, Risk AND Consulting
“Consider for security details and asset protection.”
Emergency Services
In Business Since 2022
66 Brooks Dr #308, Braintree, 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.”
Licensed
In Business Since 2016
Free Initial Consultation
479 Broadway, Lynn, 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.”
Free Initial Consultation
In Business Since 2013
300 Tradecenter Dr #4440, Woburn, 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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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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Ameriguard Protective Services

Ameriguard Protective Services

(1)
“Professional and detail oriented.”
Emergency Services
In Business Since 2022
Serving Cambridge Area
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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.”
Licensed, BBB Rating: A+
In Business Since 2008
Serving Cambridge 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)
“They are very understanding and patient with new employees.”
In Business Since 1999
Serving Cambridge Area
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Metropolitan Protective Service

Metropolitan Protective Service

(2)
  • Company
“Iwork for this Company”
Licensed
In Business Since 2003
45 Newbury St, Boston, MA
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RJD Investigations

RJD Investigations

Police Expert, Missing Persons, Constable
“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...”
Emergency Services
In Business Since 2014
Free Initial Consultation
Serving Cambridge Area
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Michael B Fixman Constable

Michael B Fixman Constable

(1)
“Professional”
Licensed
In Business Since 2000
Emergency Services
Serving Cambridge 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 Cambridge 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!”
Transparent Fees & Pricing
In Business Since 2019
Serving Cambridge 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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Private Detective Services in Cambridge, MA Cost Estimates

Minimum cost
$356
Maximum cost
$11253
National Average
$1422
Avg Per Hour Rates
$149
$830
$2369
Average price range is based on 395 cost profiles
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Average Cost $1422
Minimum cost $356
Maximum cost $11253
Avg Per Hour Rates $149

Average range $830 to $2369 is based on 395 cost profiles.

Why these companies made our list

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