Detectives in San Mateo County, CA

Comprehensive list of private detective agencies and investigators servicing San Mateo County, CA.

San Mateo County, CA

Business Listings

ABOUT US Investigative Analysis is a complete service investigation agency found in 1979 by Ross T. Hite. Ross T. Hite is a well regarded private investigator licensed to practice in California and Louisiana. Ross started his career in law enforcement and has over three decades knowledge in Civil and Criminal trial preparations.


ABC Legal Investigations has been operating in the private investigation field for over twenty five years, and we've worn out many a gum shoe investigating cases. Our office specializes in trial preparation for criminal, civil, and all kinds of insurance cases. We believe working for non-lawyers in general cases is an integral and vital part of our practice.


GLADDING & MICHEL Investigations has been servicing the Corporate, Insurance & Legal communities nationally & worldwide since 1968. With more than forty years knowledge, our companies partners and senior investigators have a huge array of skills and expertise more than adequate to suit your investigative requirements.



The Scope of this agency has lead through the US to Iraq. Only very experienced Private Investigators and or retired Police Officers are involved with Ameritec Investigations. We at Ameritec take extreme pride with each case we investigate providing our customers fair / reasonable affordable pricing, and satisfied professional flawless results.

  • Briefly hired then fired this PI because he is unstable, has a violent temper! When he

Professional, licensed private investigators; electronic countermeasures technicians; covert video specialists; certified legal video specialists and complete attorney support services. Since 1980 we currently have delivered timely, confidential services for the legal profession, insurance defense community, corporations and individuals all over the western US and Canada.


Private Eyes is an organization of experienced and licensed private investigators whose goal is to Look out for You. We will accomplish this mission with due diligence by investigating matters that affect you, a family member or maybe one of your friends. We will do whatever is authorized by you in a legal, efficient and timely manner.


Our Pledge Our aim to Cobalt Services is to supply you with the finest investigative services at the most affordable prices. We will work closely with you to formulate the most efficient strategy to resolve your case in the least amount of time possible, to save you money.


Exceptionally creative and resourceful, Palma & Palma Investigations is by far one of the finest private investigation companies in the Bay Area. Palma & Palma Investigations allows you to succeed by delivering information that supports your legal strategy. More than twenty years of knowledge, a track record of obtaining information rapidly with integrity and diligence, the capability to put witnesses


Our Licensed and Insured Investigators are on call 24/7. We specialize in criminal defense in the San Francisco Bay Area and beyond. All investigators have prior law enforcement experience which enables them to analyze cases from both aspects. We provide Process Service, Transcription, Notary, Surveillance for any reason, whether it be Infidelity, Child Custody and/or Family Law cases of any kind.


Excelsior Services. is a leader in developing and manufacturing innovative products that aid our investigators and customers to dig deep for the truth and increase their safety, security and productivity. We are national distributors of covert hidden video surveillance and security products and are uniquely positioned to be capable to provide our customers the finest equipment at the most reasonable


Caruso Investigations, a licensed private investigative agency, was set up in 1982. We are situated in San Bruno, California, and supply the legal and corporate communities in the San Francisco Bay Area with prompt, thorough, ethical service. We have gained a stellar reputation for our comprehensive care to detail. We enjoy an outstanding record of success.


AESS Investigations is unparalleled in their dedication to quality service. Professionalism - Discipline - Initiative AESS supplies our clients with a comprehensive suite of security & investigative services that is unsurpassed within the industry. Our founders have committed themselves to an uncompromising level of service and will only employ those who have demonstrated a individual dedication to


Specializing in marital infidelity, premartial screening, identity theft, background information, fire/arson, missing person, surveillance, and interviews to name a few. P.I. Confidential connects tiny clues to uncover facts about cases. PI Confidential is a licensed,insured, and bonded investigative service. We supply a confidential and professional answer to all your investigative requirements.


Surveillance operations conducted throughout California to help in assessing parental suitability in child custody cases. We conduct in depth investigations and covert surveillance operations with an strive to supply evidence to help the courts in determining the suitability of parents in child custody cases.


Since 1991, Bay Consulting Group has been delivering professional investigative services across the San Francisco Bay Area and nationwide. Although Bay Consulting Group encompasses the full range of investigative services, our specialties are in the fields of Corporate Fraud Investigations, AOE/COE, and Sub-Rosa Surveillance operations throughout California and beyond.


We supply services to insurance carriers, 3rd party administrators and self-insured employers. We utilize the latest digital technology to document our investigations.


SECURITY Executive Protection Bodyguards Work Place Violence Terminations Board Meetings Special Events All security officers are former or current law enforcement officers. Located on the Barbary Coast, San Francisco, California, Barbary Coast Investigations is a complete service private investigation agency delivering the full range of professional, confidential investigations to attorneys, businesses


SINCE 1983, Sam Brown Investigations has offered a complete array of prompt, accurate and confidential services. Our expert investigators operate world-huge and come from diverse academic and multi-lingual backgrounds. We meet the investigative requirements of a huge range of businesses and legal specialists throughout the world.


DynaSec International. is a Private Investigation and Security Consulting Firm centered in the San Francisco Bay Area with offices in San Francisco, San Diego and in California's San Joaquin Valley. DynaSec agents are backed by a network of associates throughout the US to assure that assignments are carried out in the most cost effective and efficient manner.


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 to clients in New York City, Los Angeles, Beverly Hills, Washington DC., San Diego, San Francisco, Houston, Maryland and Va. USA and the World. Do you suspect your spouse, partner, business associate or employees

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