Excell Investigations provides clients throughout Greater Los Angeles with professional private investigation services, including surveillance, locating, skip tracing, process serving, background checks, polygraph testing, asset searches, and records searches. All of our services are provided by highly experienced and fully licensed private investigators/detectives and process servers, who are all very knowledgeable, discreet, and detail oriented. In business since 1992, we have 1,000s of satisfied clients throughout the Greater Los Angeles area.