Private Investigators Serving Southern California

Founded in 1987, Cressida Investigative Services has since grown to become a respected Southern California private investigation agency serving insurance companies, businesses, law firms, and the public in the Greater Los Angeles and surrounding areas. We are proud of our reputation for providing superior service and results.

We are a full service agency with an abiding respect for our client's privacy. We work hard, we're fair and we will not bend the law to achieve results.

Whether your situation involves people or assets or something else, we can help. We invite you to review our many services. If you don't find what you want, or if you have a special need, please give us a call. We look forward to the opportunity to serve you.                

Before leaving our site, be sure to take a look at Home & Personal Security, the illustrated guide for protecting you, your family and your property. This essential guide was written by a veteran law enforcement officer who knows what works and what doesn't. No family should be without it.