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Pac Rim Investigative Services Group
“Good people”
Best Private Investigators near Pomona, CA
These agencies serve Pomona from nearby bases in towns including Rancho Cucamonga, Fullerton and Upland.
24 agencies listed · 2 open 24/7 · 14 open weekends · 17 rated 4.5+ · 12 show a license
Data verified October 18, 2026
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Clete Security Services, Esq.
- Patrols
- Company
“Currently, Clete Security Services, provides our Church/Preschool with early morning and evening patrols, primarily to provide a safe environment for our staff & volunteers as they begin/end their day.”
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Brapga Security Systems
- Thanks to Them
- Homeless
- Supervisor
“I called a few days ago and spoke with Santos, he gave me good information, he was interested in an event service, he explained its security structure very well and finally we reached an agreement, the day of the event arrived and I was satisfied.”
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Excaliber Investigations
“Reliable, trustworthy and highly recommended investigated service.”
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Tag Force Security & Patrol Services
“This company is so great the supervisor is someone who will do the most for you and asks for a tiny return just show up and do your job I am so greatful and so blessed to be there thank you Tagforce”
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Schubert Investigations
- Expert
- Know
- Expectations
“I would like to thank him individually and the entire company for delivering such outstanding and professional service for their clients and know that this brief review cannot encompass the full experience of being helped when so many other people ha...”
The 24 agencies on this page are the private investigators listed for Pomona, CA. 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: Pomona, CA
19 of the 24 agencies on this page have a rating, from 3.9 to 5.0 across 373 reviews; 2 have 50 or more reviews and 17 are rated 4.5 or higher. 2 are open around the clock; 14 are open on Saturdays and 7 on Sundays. 12 show a license on their websites and 2 have a BBB rating of A or A+. 16 have ten or more years of experience, the longest 62 years. 2 offer urgent consultations; 3 offer a free initial consultation and 2 list coupons or special offers. 2 have Spanish-speaking staff. We have a website on file for 23 of the agencies on this page; 16 publish a contact page and 11 list a public email. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Pomona describe their work online?
23 of the 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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Elevate Investigations
- Background Check
- Information
“She provided a professional, caring, and comfortable experience throughout the whole process.”
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Logic Investigations
“He is professional, great at communicating and Thorough.”
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Pyrocop
“Called for sprinkler products, which they don't sell, but unlike most other places I called, he used his expertise answering a few questions and helped me find them.”
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A Pineda Polygraph Services
“Even though I gave him a hard time due to stress was extremely helpful and he possibly saved my marriage of 8 years.”
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PAX Investigations
- Attention
- Team
“I have utilized their services on multiple occasions and each time I have been throughly impressed with the professionalism and attention to detail their team has brought.”
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Inland Professional Investigations
“If you are seeking a private investigator don't hesitate contacting Inland Professional Investigations.”
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Fugitive Recovery Agent
“No fuss”
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Smarthire
“Back ground checks and private investigating”
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XPD Investigations
“XPD Investigations conducts background checks of applicants for the positions of Police Officer, Deputy Sheriff, Firefighter, Private Security, Dispatcher, as well as Civilian positions within Southern California.”
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Joe Mar Polygraph & Investigation Services
“This is the second time I had to do finger prints because the other place did something wrong.”
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Streamline Investigations
“Find out how an insurance fraud investigation is conducted and learn about types of insurance fraud, including car, health, home, life, insurance company, and workers compensation fraud.”
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Cobalt Consulting and Investigations
“Our Investigators expertise include; Anti-piracy, Computer Forensics, Corporate Investigations, Employment Backgrounds, Litigation Support Services & Strategies, Threat Assessment, Executive Protection, Work Place Violence, Workers Compensation Inves...”
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Patrick Goodrich Investigations Claim Services
“Experienced investigations-claim services firm, offering a full spectrum of services: surveillance, interviews, record review, background investigations. PGINV”
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全美侦探调查 American Professional Investigations
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EJM Digital
“We also provide Tools, Resources, Consultations And Investigations To Probation, Parole, Police, Sheriff and other Law Enforcement personnel worldwide to protect our greatest resources, our families and citizens.”
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Blue Systems International
- Cyber Security
- PI
- Technology
“Michael completed his investigation, the information relayed to me was done with sensitivity and keeping in mind the human emotions regarding the information, because my situation was sensitive.”
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Peterson Investigations
- Matter
- Team
- Security
“With a track record that speaks volumes about their commitment to excellence, Peterson Investigations has earned a reputation as the go-to agency for individuals and businesses seeking trustworthy and effective investigative solutions.”
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L&B Services
- Incorporated
- Needs
- Knowledge
“I really really highly recommend L&B services they take their time to explain the process of your case they really know what they're doing my case is for custody and child support and I honestly I am very glad that I found them to help me.”
Private Detective Services in Pomona, CA Cost Estimates
Minimum cost
$361
Maximum cost
$11426
National Average
$1444
Avg Per Hour Rates
$151
$842
$2406
Average price range is based on 400 cost profiles
Why these companies made our list
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