San Francisco and Silicon Valley’s Elite  Private Investigation Agency   (415) 481-0550

San Francisco and Silicon Valley’s Elite Private Investigation Agency (415) 481-0550

Jason DeWitt, Owner and Private Investigator
Jason DeWitt, Owner and Private Investigator

For over 15 years, the DEWITT DETECTIVE AGENCY has been the top private investigation firm in the San Francisco bay area.  Located in the heart of San Francisco, we are proud of our reputation as the most sought after Private Investigation agency in San Francisco, Silicon Valley, Marin County and the exclusive communities in both the East and South bay areas.

The agency is uniquely positioned, qualified, and experienced to handle the most sensitive of issues.  We are routinely called upon by celebrities, business leaders, politicians, and top attorneys to handle the cases that others cannot.  We pride ourselves on getting  it done right-the first time.

We are a small firm of experienced, licensed Private Investigators  and  Private Detectives  dedicated to serving our clients.  We are known for our tenacity, loyalty, creativity, discretion, and dedication to those that entrust us with their most private issues.

We are a large enough firm to handle any private investigation assignment, but still maintain a personal touch and attention to detail that has earned us the reputation as the top private detective agency in California and beyond.

Please see our recent  TESTIMONIALS  and feel free to ask us for references from previous clients.

We are proud of our record of satisfied clients, and would like to assist you in any way we can. We are available any time and any place to help you with whatever your specific needs may be.

Please call or  CONTACT US  for a free consultation.  We look forward to helping you.

Jason DeWitt opened the DEWITT DETECTIVE AGENCY  in San Francisco after moving to the bay area in 1999.  Serving the elite business, legal, and private-citizen communities, our experienced private investigators and detectives consistently out-perform our competition and win the trust, confidence, and repeat business of our clients.  We routinely provide the following private investigation services in and around the San Francisco bay area, California and across the country:


-Missing Persons

-Runaway Teens, Child Abductions, Missing Kids

-Background Checks, Honesty Verification

-Infidelity/Cheating Spouse or Partner Issues

-Child Custody Matters/Divorce Issues

-Asset Searches and Bank Account Locates

-Civil Cases

-Criminal Cases

-Workplace Investigations/Employee Theft/Workplace Violence

-Sexual Harassment Investigations

-Stalker Investigations and High Profile/Celebrity Protection Issues

  Through our tremendous assortment of professional associates and contacts we can handle virtually any type of case, anywhere in the world. Please contact us for a free comprehensive case review and analysis. OR: Email Jason DeWitt at

 Licensed, Bonded and Insured

California PI License #21992