Services


* Subrosa Investigation

* Mobile Surveillance

* Live Scan Fingerprinting

* Narcotics Specialists    
    * Detection
    * Testing
    * Education 

*Notary Public
    *  California State Prisons
        * CDC Locations
      *  County Jails 
        * Contra Costa
        * Alameda 
        * San Francisco
        * Solano
        * Sonoma
        * San Joaquin
        * Stanislaus
           

*K9 Detection
    *Illegal Narcotics
    *Explosives
    *Cell Phones 

*Cell Phone Forensics



SERVING

* Northern California
* Oakley
* Brentwood
* Antioch
* East Bay
* San Francisco Bay 

Our Client Commitment



Choosing to conduct a private investigation is an important matter, choosing the right investigator is critical.   With over 17 years of investigative experience,  
CGI Investigative Services  is your best choice. 

Our dedicated investigators provide expert results to all your investigation needs, followed by confidential and private reports.

Your business is important.  Let us provide the professional investigation services you need in the East Bay, San Francisco Bay  and Northern California.




Contact Us today to setup a consultation.   We're here to meet your scheduling needs.  Appointments available at any hour.