Private Detective Services provides private investigation and detective services to businesses in California and beyond, including law firms, insurance companies, major corporations and small business. Our California-based detective firm also counts many private citizens among our clients. Staffed by police-trained, seasoned professional investigators, we're trained to deal with all aspects of private detective work and security. Every member of our firm had to pass an extensive criminal background investigation, ensuring us and our clients that all agents bearing our company patch are qualified and reliable. In our private detective work we utilize sophisticated investigative techniques, and incorporate the latest technology.