c Undercover Surveillance, Los Angeles, CA | Counter Surveillance Downey, Long Beach, Cerritos


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The Best Choice in Los Angeles for Undercover Surveillance

Helpful in Employee, Workers Comp, Child Custody, & Criminal Investigations

Licensed Private Investigators Serving Long Beach, Pasadena, Cerritos, Paramount and Nearby Areas

Excell Investigations offers some of the finest surveillance services in the Los Angeles area. We put our full efforts into each and every case and have successfully met the surveillance and counter-surveillance needs of 1,000s of satisfied customers, from concerned spouses and parents to attorneys, businesses, and organizations. Our undercover surveillance investigators are discreet, well-trained, and licensed by the California Bureau of Security and Investigative Services (CBSIS). In addition, our surveillance services are reasonably priced, available 24/7, and can be customized to the specific needs and budgets of our clients.

Over 20 Years of Experience Providing Surveillance Services in Los Angeles, CA

At Excell Investigations, we have decades of experience using our surveillance services to help clients improve their loss prevention efforts; combat fraudulent worker’s compensation, personal injury, and insurance claims; obtain evidence in child custody cases; catch cheating partners; and deter stalking or other unwanted spying activities. Our surveillance services are available on a short-term or long-term basis and conducted by highly experienced investigators who use the latest and best surveillance technology and tactics, including but not limited to hidden cameras, long distance cameras, Global Positioning Systems (GPS) monitoring, and more. Counter-surveillance can involve looking for any unauthorized recording devices, such as hidden cameras or bugs; installing audio jammers; using GPS tracking detectors; and more. In addition to providing clients with surveillance and counter-surveillance services, our investigators also offer locating/skip tracing services, threat assessments, and records searches.

Choose licensed, bonded, and insured Excell Investigations for all of your surveillance needs in Los Angeles. Our services are kept confidential, and we abide by all relevant laws that regulate our industry and services. We offer free consultations over the phone and at our offices, and provide off-site consultations for a small fee. Upon completion of each surveillance assignment, we deliver detailed, comprehensive, and professional reports with quality photos and/or videos.

Excell Investigations is Los Angeles County's best source for:

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PInow.com Qualified Investigator


Click on our association logos to visit their websites.

Los Angeles IPIU Professionals
Lawmate America Innovation
Professional Investigators Association
Association of Excellence
WAD Certified Professionals
PInow.com Qualified Investigator
Excell Investigations Business Listing

Our Locations

8105 2nd St. Downey, CA 90241

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Downey Private Investigators

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We handle Investigation cases in Los Angeles, Inland Empire and other surrounding areas in California.
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