Best Private Investigators near Santa Monica, CA

3 of these agencies are based in Santa Monica; the others serve Santa Monica from towns including Los Angeles (8 mi), Beverly Hills (6 mi) and Woodland Hills (11 mi).

2 open 24/7 · 12 open weekends · 12 rated 4.5+ · 9 show a license

Data verified October 18, 2026

Gladding & Michel Investigations

Gladding & Michel Investigations

5.0 1 review
California license #15321Serves California, United States +3Since 1968
Beverly Hills, CA · 6 mi from Santa Monica
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Sapient Investigations

Sapient Investigations

Serves worldwideSince 2010
1810 14th St UNIT 212
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Bernard Cane

Bernard Cane

PI license #PI 11452Since 1986
1223 Wilshire Blvd #860
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Millergroup Intelligence

Millergroup Intelligence

Since 1998
2219 Main St
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Security Guard Solutions

Security Guard Solutions

5.0 50 reviews
“Very happy with their security service took a video of the place and made sure gates were locked.”
Free estimatesServes California, TexasPPO# 121453Open 24 hoursSince 2023
Woodland Hills, CA · 11 mi from Santa Monica
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Sunset Blvd. Investigations

Sunset Blvd. Investigations

5.0 41 reviews
“Steve responded promptly to my initial inquiry, provided a fair quote, and then went above and beyond by sharing helpful information that he thought was important and relevant to my safety (and I hadn't even agreed to move forward with our case/he wasn't making a dollar off his efforts and advice).”
PI license #28035BBB A+Since 2012
Los Angeles, CA · 8 mi from Santa Monica
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The 15 agencies on this page are the private investigators listed for Santa Monica, 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: Santa Monica, CA

12 of the 15 agencies on this page have a rating, from 4.5 to 5.0 across 677 reviews; 5 have 50 or more reviews. When clients rate these agencies on specific qualities, they most often praise professionalism (96%), responsiveness (96%) and quality (88%). The topics that come up most in reviews of the agencies on this page are "results", "attention to detail" and "communication". 2 are open around the clock; 12 are open on Saturdays and 10 on Sundays. The services the agencies on this page list most often on their websites are missing persons (3), asset searches (2), background checks (2), child custody (2) and insurance fraud (2). 9 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 12 websites of the agencies on this page at ten or more years old; the oldest dates from 1996. 2 offer urgent consultations and 4 offer a free initial consultation. We have a website on file for all 15 of the agencies on this page; 14 publish a contact page and 11 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 Santa Monica shown here?

3 of the 15 agencies have an address in Santa Monica. 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.

Kinsey Investigations

Kinsey Investigations

4.9 47 reviews
“Barbara was very friendly and knowledgeable.”
PI license #28192Since 2004
Los Angeles, CA · 8 mi from Santa Monica
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LA Intelligence Private Investigator- Detective Agency

LA Intelligence Private Investigator- Detective Agency

4.7 31 reviews
“It was a lot of things going on in my life, and I had a problem with trust issues, I hired LA Intelligence to get to the bottom of it to find out once and for all what I was thinking of what I was feeling valid, well I got more than my peace of mind, I got a successful investigation that help me with why don't not only my problem, but also knowing the truth, you cannot put a price on knowing the truth.”
Since 2011
Beverly Hills, CA · 6 mi from Santa Monica
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Empire Pacific Investigative Services

Empire Pacific Investigative Services

4.8 46 reviews
“Very quick turnaround time and they found what I asked for on a background check”
PI license #PI 189338Since 1993
West Hollywood, CA · 7 mi from Santa Monica
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Katz Investigations

Katz Investigations

4.8 37 reviews
“I can assure you that that he definitely knew what he was doing, and he produced an amazing result and detailed report of what I needed.”
Serves California, United StatesSince 1988Licensed
Beverly Hills, CA · 6 mi from Santa Monica
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Wolfe's Investigations

Wolfe's Investigations

4.7 32 reviews
“Wolfe's investigations team conducted a chid custody on my behalf, they obtained the evidence for my court case.”
PI license #21124Serves San Fernando Valley, Los Angeles County, Orange CountySince 2013
Woodland Hills, CA · 11 mi from Santa Monica
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Heirfinders Research Associates

Heirfinders Research Associates

4.6 35 reviews
“They were wonderful an patient with me an got me funds in time of dyer circumstances”
No fee unless you winSince 2001
Los Angeles, CA · 8 mi from Santa Monica
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Supereye Private Investigator Services

Supereye Private Investigator Services

4.8 29 reviews
“I used Super Eye PI to find out who vandalized (keyed) my vehicle, so I can bring the person to justice.”
Free consultationLicensedSince 2009Average prices
Sherman Oaks, CA · 9 mi from Santa Monica
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Dakota Michaels Investigations

Dakota Michaels Investigations

5.0 2 reviews
“Superior service and very professional I will continue with this Investigation service and will highly recomnend”
Free consultationOpen 24 hoursSince 2019
Los Angeles, CA · 8 mi from Santa Monica
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Worldwide Intelligence Network

Worldwide Intelligence Network

4.6 11 reviews
“The circumstances under which I chose to hire this company were stressful and anxious making, but Wincor made me feel at ease by taking on the vigilance of the situation and my safety in their hands.”
Serves Los Angeles, Southern CaliforniaSince 1991Free consultation
Los Angeles, CA · 8 mi from Santa Monica
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