Best Private Investigators in Passaic, NJ

The highest-rated Private Investigator & Detective agencies out of 327 vetted & reviewed in the Passaic area.

RP Investigations

RP Investigations

(1)
“Very professional”
In Business Since 2020
Free Initial Consultation
26 Pearl St, Paterson, NJ
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Superior Protection Professionals

Superior Protection Professionals

(20)
  • Company
  • Team
“They are all professionally trained former law enforcement professionals and Superior Protection Professionals is my go to company for security threat evaluation and plan implementation.”
In Business Since 2021
Transparent Fees & Pricing
Family Business
Emergency Services
Serving Passaic Area
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Eagle Eye PI

Eagle Eye PI

(20)
  • Work
  • Professional
  • Company
“After a horrendous experience with a PI my attorney ( now ex attorney recommended I spent $2400 for a paragraph report that entails suspicious activity) I was extremely hesitant to use another PI.”
In Business Since 2018
Serving Passaic Area
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TGA Legal Collections

TGA Legal Collections

(20)
Debt Collection Services, Investigation Services
“! Anyway, I was concerned our humble family business might be too small of a fish for him, but he made me feel like our business would be treated just as importantly as all their other accounts, so gratefully I hired him on the spot”
In Business Since 2002
Family Business
Serving Passaic Area
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Spartan Detective Agency

Spartan Detective Agency

(3)
“Had a tenant living for almost 2+ years without paying any rent and currently still living and had no information of her especially her social security information because my dad forgot to get that information but our lawyer recommended this service ...”
In Business Since 2008
Free Initial Consultation
Licensed, BBB Rating: A+
Serving Passaic Area
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Atlantic Investigations

Atlantic Investigations

(13)
Background Checks, Drug and Alcohol Testing, Trucking Compliance
“Good place, good people”
In Business Since 2010
Serving Passaic Area
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Cowan Investigations

Cowan Investigations

(20)
  • Law Enforcement
  • Professional
  • Court
“He managed to catch my ex so many times at different times and different days that the proof was irrefutable and my ex ended up with supervised visitation.”
In Business Since 2016
Free Initial Consultation
Licensed
Serving Passaic Area
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Delaware Detective Group

Delaware Detective Group

(4)
“The second time I utilized Steve's services, he had less than a week to get the person served and he was still able to get the job done.”
In Business Since 2009
Emergency Services
Licensed
Serving Passaic Area
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J&K Investigative Services

J&K Investigative Services

(20)
  • Information
  • Dad
  • Fee
“They work with us in a highly professional manner and are always extremely responsive to our requests; they also assist us with asset location for our firm and provide reports quickly so we can act on the information on behalf of our clients.”
In Business Since 1981
Free Initial Consultation
Accepts All Major Credit Cards
Serving Passaic Area
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Magnum Investigations

Magnum Investigations

(20)
  • Surveillance
  • Professional
  • Decisions
“I came to find Magnum Investigations through a general Google search, and after another company would not return my phone calls when I attempted to hire them.”
In Business Since 2003
Free Initial Consultation
Licensed
Serving Passaic Area
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USA Bugsweeps

USA Bugsweeps

(2)
Aircraft Sweeps, Video Sweeps, Telephone Sweeps
“I have had the opportunity to utilize the services of USA Bug Sweeps and Jimmie Mesis on several occasions and have always been very impressed by his professionalism and attention to even the smallest details.”
In Business Since 2015
Free Initial Consultation
Emergency Services
Serving Passaic Area
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Anchor Investigative Services

Anchor Investigative Services

(1)
Accident Investigations, Surveillance, Statements
“His firm Anchor Investigative Services is highly recommended.”
In Business Since 2015
Free Initial Consultation
Emergency Services
Serving Passaic Area
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Statewide Protection and Investigation Services

Statewide Protection and Investigation Services

(1)
“Great people and good service very reliable and professional”
In Business Since 2021
Transparent Fees & Pricing
Emergency Services
10 Tindall Rd Suite 6, Middletown Township, NJ
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The Valori Group

The Valori Group

(1)
Private Investigations, Seminars & Keynotes, Coaching & Training
“While remaining stern and humble, Lou proves to be a deeply committed New Jerseyan presenting an encyclopedic knowledge of municipal ordinances and code, which make him and his team a unique resource for physical property oversight.”
In Business Since 2018
Emergency Services
Licensed
Serving Passaic Area
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Rooney Investigations

Rooney Investigations

(3)
“As an attorney, it is important to me to have a trusted and reliable relationship with an experienced and knowledgeable investigator.”
In Business Since 2017
Emergency Services
Serving Passaic Area
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The Njpi Agency - James Ramsey Investigations

The Njpi Agency - James Ramsey Investigations

(2)
“I HIGHLY, HIGHLY recommend this agency.”
In Business Since 2021
Emergency Services
Licensed
Serving Passaic Area
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Spysite.com

Spysite.com

(16)
  • Products
“The only reason I didn't give a 5-star is because what others have been saying on here as well - you are ONLY allowed to exchange the items on this site, as there would be no returns or refunds, unless if it's the products' issues.”
In Business Since 1996
Serving Passaic Area
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Private Detective Services Estimated Cost in Passaic, NJ 2023

Minimum cost
$337
Maximum cost
$10641
National Average
$1345
Avg Per Hour Rates
$140
$785
$2240
Fair price range based on 166 cost profiles
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Average Cost $1345
Minimum cost $337
Maximum cost $10641
Avg Per Hour Rates $140

Average range $785 to $2240 is based on 166 cost profiles.

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