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Complete Screening Agency
“Friendly staff with quick and accurate results.”
Best Private Investigators near Gresham, OR
2 of these agencies are based in Gresham; the others serve Gresham from towns including Vancouver, WA (12 mi), Portland (10 mi) and Lake Oswego (14 mi).
5 open 24/7 · 12 open weekends · 18 rated 4.5+ · 9 show a license
Data verified October 16, 2026
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Bluecord International
“Had to quit due to relocating out of state, but would absolutely work for them again.”
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Solid Serve Legal
- Documents
- Legal Process
- Delivery
“And a true local company not just some big outfit pretending to be - service was fast and efficient and reasonably priced - communication was excellent and paperwork filed promptly and correctly - highly recommended”
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Northwest Investigations & Consulting
- Results
- Company
- Questions
“If you are in need of private investigator, this is a first class organization and we highly recommend them to help you with whatever PI services needed.”
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Provider's International Portland
- Organization
- Needs
- Confidence
“I am writing this review to share my exceptional experience with Provider's International Portland and express my utmost satisfaction with the services provided.”
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Diligent Investigations
- Communication
“Robert at Diligent Investigations went above and beyond, putting in lots of time researching, communicating, and eventually providing the served papers to the defendant for a very fair price.”
The 24 agencies on this page are the private investigators listed for Gresham, OR. 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: Gresham, OR
20 of the 24 agencies on this page have a rating, from 3.8 to 5.0 across 294 reviews; 2 have 50 or more reviews and 18 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise responsiveness (96%), professionalism (93%) and value (82%). 5 are open around the clock; 12 are open on Saturdays and 8 on Sundays. The services the agencies on this page list most often on their websites are private investigation (4), background checks (2) and small claims (2). 9 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 14 websites of the agencies on this page at ten or more years old; the oldest dates from 2000. 5 offer urgent consultations and 7 offer a free initial consultation. We have a website on file for 23 of the agencies on this page; 20 publish a contact page and 20 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.
Why are investigation agencies outside Gresham shown here?
2 of the 24 agencies have an address in Gresham. The others come from other towns. Investigators travel to the subject, so an office one county over is rarely the issue. State licensing is the thing to check.
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JTF Investigative Services
“Searching for a lost family member became a collaborative effort and his enthusiasm and excitement in finally have pieced together the puzzle made a complicated and foreign process comforting.”
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Babnick and Associates
- PI
“This was my first experience with a private investigator, and I was very impressed by George's professionalism, knowledge, and exceptional response time.”
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Gunderson Investigations and Services
“Wayne Gunderson and Gunderson Services, LLC, have performed for this office in an exemplary way and have an excellent reputation in the community in both Oregon and Washington.”
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Portland Private Investigators
- Future
“He was knowledgable about procedure and about the legal issues surrounding our case, and was forthcoming and clear about the cost of investagative services and options for proceeding within a budget.”
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Internal Affairs Private Investigations
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Virtus Group Investigations
“John discovered the man had a rap sheet a mile long, convictions, tax evasion, multiple alias names, liens, judgements, and multiple phony storefront addresses.”
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Northwest Corporate Investigations
“I love you too”
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Investigative Solutions
- Company
“This company was born here out of necessity to pursue truth and has the roots to serve this county and entire pdx area far better than others you'll find.”
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Snoops Investigating
- Job
“My firm has used Snoops for courier work and serving process several times and they have always done a great job.”
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Mountain Investigations
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People Locator Service
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BLI Investigations
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Westfall Investigations
“I hope I don't need a process server again, but Westfall Investigations will be my first call if I ever do.”
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PI Services
- Job
- Background Checks
- Documents
“I have worked with Mark and his crew for 20+ years and they always come through with service on even the most evasive and difficult to find defendants through a combination of tenacity and creative solutions.”
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North West Asset Reclamations
- Money
- Communication
“He was very efficient and I appreciated his ongoing communication during the reclamation process and would recommend him to anyone that was in need of this type of service.”
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Corporate Crime Control Protective Services
- Testimony
- Matter
- Phone
“Great company great owners and outstanding officers owners and staff work right along side with employees couldn't be happier to be employed by this company.”
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A.T. Olson Consulting
- Training
- Knowledge
- Community
“Aaron presented to our midsize group a comprehensive summary of what his background in the military, law enforcement, education, and life has taught him.”
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Mold Investigations
“High level problem solvers.”
Private Detective Services in Gresham, OR Cost Estimates
Minimum cost
$352
Maximum cost
$11143
National Average
$1408
Avg Per Hour Rates
$147
$822
$2346
Average price range is based on 318 cost profiles
Why these companies made our list
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