Paramount Investigative Services
“Ken and his team were able to get some very sensitive and extremely timely information with the utmost discretion.”
Best Private Investigators near Gardena, CA
These agencies serve Gardena from nearby bases in towns including Los Angeles, South Gate and Wilmington.
15 agencies listed · 6 open 24/7 · 13 open weekends · 14 rated 4.5+ · 10 show a license
Data verified October 16, 2026
Sunset Blvd. Investigations
“In less than 2 hours, Randy was able to confirm to me that the person I was concerned about was okay to my great relief.”
Kinsey Investigations
“I am extremely grateful for the recommendation that led me to them, and I will continue to refer them to my friends and family without hesitation.”
L&B Services
“L&b helped me a lot and informed me of my tenants rights if you need a notary I recommend you coming here they will help you!”
MCM Investigations
“Thank you from the bottom of my heart.”
Katz Investigations
“Throughout the investigation, Paul kept me informed with regular updates and was always available to answer my questions, no matter how small.”
The 15 agencies on this page are the private investigators listed for Gardena, 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: Gardena, CA
The 15 agencies on this page are rated from 4.2 to 5.0 across 519 reviews; 4 have 50 or more reviews and 14 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise responsiveness (100%), professionalism (95%) and value (95%). The topics that come up most in reviews of the agencies on this page are "communication", "results" and "understanding". 6 are open around the clock; 13 are open on Saturdays and 10 on Sundays. The services the agencies on this page list most often on their websites are background checks (2), missing persons (2) and surveillance (2). 10 show a license on their websites and 3 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 40 years. 6 offer urgent consultations and 6 offer a free initial consultation. 1 has Spanish-speaking staff. We have a website on file for all 15 of the agencies on this page; 12 publish a contact page; 10 list a public email and 1 takes bookings online. 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 Gardena 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.
Breakpoint Investigations
“It was really unbelievable how much time and effort Karen put in to serving out of state papers for my law firm in Colorado.”
Heirfinders Research Associates
“It was indeed a great experience to know Heirfinders Research Associates to recover our money left in our account at Bank of America.”
PF Info Services - A Private Investigations Company
“They have provided excellent service by doing everything I've asked for even if I've given them short notice.”
Tristar Investigation
“Very prompt, professional and a great job understanding our needs and delivering on them.”
Trans West Investigations
Golden State Detectives
“They were responsive and communicated with me throughout my case and reasonably priced.”
OC Confidential Investigations
“Her rates are very reasonable and she went above and beyond what was expected to fulfill the task which wasn't easy because she was dealing with slippery people.”
Origin Investigations
“Eey professional and go above and beyond what would be expected to get the job done!”
Nolan Enterprises Private Investigators
“Great service, they're amazing very detailed and get the job done 100 I recommend!”
Why these companies made our list
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