Clearview Legal and Investigative Services
“Served my evasive defendants in one try just 2 days after I sent the paperwork.”
Best Private Investigators in Seattle, WA
15 agencies listed · 5 in Seattle · 5 open 24/7 · 11 open weekends · 11 rated 4.5+
Data verified November 7, 2026
Poth Investigations
Integra Intelligence
“Appreciative that the owner stands by their name; integrity is hard to come by these days.”
Linda Montgomery Investigation
“Very happy to see that she is still doing what she loves to do and is very good at it.”
Melendez & Associates, Investigations
“They did a great job in helping me with my concerns.”
Madigan Security Consulting
“I needed to have some background checks run for tenant screening for an apartment and not only were they quick, they were professional and extremely thorough.”
The 15 agencies on this page are the private investigators listed for Seattle, WA. 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: Seattle, WA
5 of the 15 agencies we list are based in Seattle; the other 10 serve Seattle from towns including Bellevue (8 mi), Kirkland (8 mi) and Lake Forest Park (9 mi). 12 of the agencies on this page have a rating, from 4.0 to 5.0 across 154 reviews; 1 has 50 or more reviews and 11 are rated 4.5 or higher. 5 are open around the clock; 11 are open on Saturdays and 9 on Sundays. 2 show a license on their websites. 9 have ten or more years of experience, the longest 57 years. 5 offer urgent consultations; 1 offers a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 15 of the agencies on this page; 14 publish a contact page and 10 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.
Which investigators listed for Seattle describe their work online?
All 15 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.
Global Security Consultants
“Thank you for locating my sister”
Benchmark Management
“They were prompt, professional and the service was to notch.”
Rose Winquist
Nationwide Investigations & Security
“His guards are the most professional I've worked with on my properties.”
Speigel Investigations
“Liz is an excellent investigator and has done a tremendous job on various investigations for my firm.”
Emerald City Investigations
“He has done our background check for pre employment for years.”
BR Fitz Company
Hiperformance Security and Investigations
Millennium Investigations
Why these companies made our list
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