Laurels
Best Private
Investigators in
San Francisco
2017

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored private investigators on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best private investigators in San Francisco, CA.

ReviewedCuratedTop Picks20913217

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Alex Kline Investigation & Research Service

Alex Kline Investigation & Research Service is a private investigations agency in San Francisco, California. Their services include general investigative needs, pretrial litigation preparation, confidential corporate investigations, and government-related investigations. Alex Kline has been a licensed private investigator since 1988 and is a member of the World Association of Detectives and California Association of Licensed Investigators.

San Francisco, CA(415) 544-0300

Website

Charles Pfister Investigations & Research

Charles Pfister Investigations & Research is a private investigations agency in San Francisco, California, founded in 2001. Their practice areas include witness location and interviewing, fraud and employment investigations, missing persons, background investigations — businesses, individuals and other entities, pre-litigation asset investigations, public records research and public records requests, and more. Charles Pfister Investigations & Research is a licensed private investigation firm.

San Francisco, CA(415) 664-5045

Website

DeWitt Detective Agency

DeWitt Detective Agency is a private investigations agency in San Francisco, California, founded in 1999. It has been the top private investigative firm in the San Francisco Bay area for more than 15 years. DeWitt Detective Agency can help their clients with missing persons, infidelity/cheating spouse, missing and runaway kids, surveillance cases, background investigations, undercover operations, and more. DeWitt Detective Agency is proudly affiliated with the California Association of Licensed Investigators, Professional Investigators of California, National Council of Investigation & Security Services, and more.

San Francisco, CA(415) 481-0550

Website

Filley & Associates Professional Investigations

Filley & Associates Professional Investigations is a private investigations agency with of in San Francisco and San Rafael, California. It was established by Scott E. Filley, a certified private investigator and former FBI agent for 24 years. Their services include attorney services, business services, insurance services, consumer services, and China investigations. Filley & Associates Professional Investigations is a member of associations like ASIS, AIASS, BBB, NCISS, and more.

San Francisco, CA(415) 462-1631

Website

Foglight Investigations

Foglight Investigations is a private investigations agency in San Bruno, California, founded and owned by a former law enforcement officer Artur Tilis. He has over 10 years of experience of being in the San Francisco Police Department. Their services include Background Checks, Surveillance, Counter Surveillance, Cheating Spouse, Dating Background Checks, Asset Investigation, and more. Foglight Investigations provides free consultations for new clients.

San Bruno, CA(415) 926-3440

Website

Gab Investigations

Gab Investigations is a private investigations agency in Pleasanton, California, serving California for over 35 years. They are committed to providing comprehensive quality services in a reliable, professional manner. Gab Investigations specializes in investigations for attorneys, insurance investigations, general liability, surveillance, workers compensation, background investigations, and locates/skip tracing. Gab Investigations is bonded and licensed by the State of California.

Pleasanton, CA(925) 846-7401

Website

Jackson P.I. Services

Jackson P.I. Services is a private investigations agency in Novato, California. The owner and founder, Julie Jackson began her career in law enforcement in 1997, working as a police officer and private investigator in the San Mateo County. Jackson P.I. Services offers personal/private, attorney services, and business services. They do dating checks, self-checks, and real estate checks. They are affiliated with associations such as the California Association of Licensed Investigators and Domestic Violence Prevention Association.

Novato, CA(415) 878-5737

Website

John E. Conway & Associates

John E. Conway & Associates is a private investigations agency in Novato, California. The president and founder of John E. Conway & Associates has over 35 years of experience in investigations and security. The services they offer include international investigations, complete background reports, locating people and assets, crisis management, surveillance, threat assessments, pre-employment background reports, and more. John E. Conway & Associates is a member of the Society of Former Special Agents of the FBI and American Society for Industrial Security.

Novato, CA(415) 892-2595

Website

Kidd Investigative Services

Kidd Investigative Services is a private investigations agency in Oakland, California. Hugh Kidd, the owner of Kidd Investigative Services has over 15 years of law enforcement experience. Their services include background checks and investigations, digitally recorded witness statements, traffic accident investigations, driver and vehicle record services, surveillance services, process server services, and more. Kidd Investigative Services is a member of BSIS.

Oakland, CA(877) 422-3489

Website

MKI Private Investigations

MKI Private Investigations is a full service private investigations agency in Rohnert Park, California. They provide statewide and nationwide support for insurance related services, services for attorneys and law firms, business and corporate services, and services for consumers and private individuals. MKI Private Investigations has professional memberships with the California Association of Licensed Investigators, National Association of Investigative Specialists, and International Organization of Private Intelligence Agencies.

Rohnert Park, CA(707) 237-7491

Website

Moser & Associates

Moser & Associates is a private investigations agency in Menlo Park, California. Their services include private investigations, locating people, locating assets, full litigation support, surveillance, personal security, and more. Moser & Associates is a member of World Association of Detective Inc., and California Association Licensed Investigators. They are proud to provide their clients with efficient and accurate results in a timely manner.

Menlo Park, CA(650) 714-5949

Website

Nero & Associates Private Investigations

Nero & Associates Private Investigations is a full-service private investigations agency in San Jose, California. In 2001, the owner and manager of Nero & Associates Private Investigations, Michelle Nero graduated from the Sam Brown Investigative Program in San Francisco with honors and has since then worked thousands of hours on all phases of investigations. Nero & Associates Private Investigations is a member of the California Association of Licensed Investigators and Bureau of Security and Investigative Services.

San Jose, CA(800) 991-6125

Website

Passanisi Investigations

Passanisi Investigations is a full service investigations agency in San Francisco, California, established in 1998. Passanisi Investigations is a statewide investigations firm. Aside from San Francisco, they also have offices in Sonoma and Los Angeles. They specialize in workers' compensation investigations -- sub rosa, AOE/COE, personal injury investigations, background checks, and pre-employment screening.

San Francisco, CA(415) 703-9888

Website

Perez Investigations Inc.

Perez Investigations Inc. is a private investigations agency in Martinez, California, founded in 1982 and serving San Jose, Sacramento, San Francisco, Hollywood, and beyond for more than 35 years. Their investigative services include worker’s compensation- AOE/COE and sub-rosa, and domestic investigations- child custody and infidelity. Perez Investigations Inc. also offers attorney services.

Martinez, CA(866) 474-7070

Website

R.A. Nosek Investigations

R.A. Nosek Investigations is a private investigations agency in Redwood City, California, serving the community for more than 40 years. Their investigative services include employment screenings - GLB, F.C.R.A. and HIPPA compliant, background investigations, insurance claims, sub rosa, AOE/COE, fraud investigation, elder financial abuse, identity theft investigation, and more. R.A. Nosek Investigations is a member of the California Association of Private Investigators.

Redwood City, CA(650) 368-2716

Website

Sidwell Investigations

Sidwell Investigations is a private investigations agency in Martinez, California, with more than 25 years of investigative experience. Their range of private investigative services in the Bay area include surveillance investigations, videotaping and photography, recorded statements, background checks, traffic accident investigations, financial asset searches, DMV searches, and more. Sidwell Investigations is number one in the surveillance investigations business.

Martinez, CA(925) 765-4674

Website

Tamara Thomson Investigations

Tamara Thomson Investigations is a private investigations agency in Oakland, California, serving the informational needs of their customers for more than 18 years. Their services include labor and employment investigations, business litigation research, conducting business due diligence, legitimacy of real estate conveyances, genealogy tracing for real estate quiet title, landlord/tenant disputes, and more. Tamara Thomson Investigations tailors their investigative strategies to suit their clients’ objectives.

Oakland, CA(510) 420-8904

Website

Wrong city? Here are some nearby places: