Detectives in Pasadena, CA

Comprehensive list of private detective agencies and investigators servicing Pasadena, CA.

Business Listings

When you require a private investigator, the Grevillius Detective Service is ideally located to reply speedily and intelligently.


Douglas Baldwin & Associates., established in 1987, is a progressive full-service private investigation company serving customers throughout California and the nation, with an emphasis on comprehensive litigation support, insurance defense and corporate research services.


Welcome to the web page of Robert A. Celano - a Los Angeles based California licensed private investigator bringing you a lot of knowledge in all kinds of professional investigation. Robert A. Celano is committed to delivering his customer with the most up-to-date information available coupled with indisputable video and photographic evidence where necessary to prove your case.



Our professionalism and experience is your guarantee of a thorough, results-oriented investigation that addresses your personal requirements. We supply a complete array of quality investigative services, critical services, and are always ready to consider your urgent and important requirements, huge and tiny. What makes us better than other detective agencies?


Observant Security/Investigation Services established 1981 providing full field services to it's customers throught the State of California, Nationwide and around the World. When the successful resolution and closure of your most sensitive case relies on information; YOU deserve and MUST therefore DEMAND the BEST. Our dedication to ongoing education and training along with the use of the state of art


1st Investigative Consultants is a complete service investigative agency providing SIU, Property and Casualty, Worker's Compensation, Loss of Earnings, Personal Injury and Automobile Collision investigations, as well as Attorney Services. Thank you for taking the time to visit First Investigative Consultants on the web.


Since 1967, our main goal is to supply our clients with all the information they need to make the correct decisions about critical issues. We provide discreet private investigation services in Los Angeles, Beverly Hills, San Diego, San Francisco, Houston, Denver, New York City, Washington DC and Virginia USA and the World. Do you suspect your spouse, partner, business associate or employees is being

  • "I am pleased to have a very positive and productive relationship with Morgan Turner Freeman

Successful investigations depend on finding secret and hidden facts or assets. Sometimes these facts are found in public records, through Internet and database research not available to the public or under FOI Act. Also by identifying and interviewing key sources, through the application of forensic accounting, confidential informants, computer forensics skills, and from other investigative methods.

  • Anything to do with Frank Monte is a scam. Just google his name. Any good reviews on