Best Private Investigators in Sacramento

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored Sacramento Private Investigators on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 126 82 16

Our Selection Criteria:

  • 1. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 2. Qualifications

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Reputation

    A history of delighted customers and outstanding service.

  • 4. Experience

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

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Read more about our selection process

A & S Investigation

A & S Investigation is an innovative private investigation firm located in Sacramento, affiliated with the state's Department of Consumer Affairs and the California Association of Licensed Investigators. Services include process service and court filings, background checks, and video surveillance. This fully licensed firm is open 24 hours a day, seven days a week and boasts quality service at a reasonable rate.

Elk Grove, CA 95759


Anna Stowe Investigations, Inc.

Anna Stowe Investigations, Inc. is a fully licensed and insured private investigation agency based in Sacramento. The main services that it offers are background investigations, due diligence investigations, and legal investigations. It primarily serves individuals, law firms, and businesses, specifically with the expert criminal defense and mitigation investigations that it conducts. Anna Stowe Investigations, Inc. offers prospective clients free consultations.

4119 Wayside Ln #2C
Carmichael, CA 95608


ASAP Investigations

Located in Stockton, ASAP Investigations strives to provide service that honors integrity. The team of seasoned professionals has more than 50 years of combined experience in background searches, polygraph tests and other forms lie detection, domestic surveillance, criminal and civil investigations, infidelity and other marital issues, and many other specialty areas. Founder Perry J. Anderson has testified in court on more than 1,000 criminal matters and has qualified as a state narcotics expert.

Stockton, CA 95219



Based in Sacramento, Califorensics provides a range of investigative services including computer forensics, data recovery, e-discovery, information services, and incident response. The firm was founded in 2002 by Don Vilfer, an attorney and former FBI Supervisory Special Agent in charge of Sacramento’s Computer Crimes and White Collar Crimes squad. Califorensics recently merged with Capitol Digital Document Solutions, the area's largest provider of litigation support.

Sacramento, CA 95814


Caught U

Caught U is a licensed private investigation company serving clients throughout California. Specialties include process service, missing person location, insurance investigations, domestic disputes, photo and video surveillance, employment issues, and related services. Investigation rates start at $65 per hour, with a flat fee of $95 for a basic background check and $175 for an extensive background check.

Shingle Springs, CA 95682


Clements Special Investigations

Located in Sacramento, Clements Special Investigations is a licensed full-service private investigation firm specializing in background checks, personal injury, litigation support, missing persons, process service, surveillance, and related areas. This business was founded by a retired police chief with more than 20 years of experience. It is associated with the California Association of Licensed Investigators and the National Association of Professional Process Servers.

Sacramento, CA 95834


Ed Williams Private Investigator

Based in Sacramento, Ed Williams Private Investigator was founded in 1984 by a former Army Intelligence officer. He specializes in investigating vehicular accidents, domestic issues, nursing home neglect, sexual harassment, child custody, and wrongful termination, along with related services such as background checks, process service, and records retrieval.

Sacramento, CA 95821


Fishbaugh and Associates Private Investigations

Sacramento-based Fishbaugh and Associates Private Investigations strives to provide clients with locally focused services for infidelity investigations, surveillance, background checks, child custody, skip tracing, workman's compensation, and insurance claims. The founder of Fishbaugh and Associates is a former Deputy Sheriff and veteran NCO of the United States Air Force Security Police, responsible for providing the highest level of security for nuclear weapons systems.

Sacramento, CA 95814


Friedman Law Firm, Inc.

Friedman Law Firm, Inc. is a Sacramento firm specializing in private investigations, criminal defense, and immigration. The firm's private investigator, Craig Speck, is a retired California Highway Patrol Sergeant with 25 years of investigative experience, as well as membership in the California Association of Licensed Investigators and Northern California Fraud Investigators Association.

Sacramento, CA 95833


Gumshoe Detective Agency

Established in 2001 and serving all of Northern California, Gumshoe Detective Agency specializes in civil and criminal investigations for both corporations and private citizens, including surveillance, proof of employment, financial services, child custody, and more. Founder Don Treco has more than 20 years of state law enforcement experience and has ben featured on the Judge Mathis television program in Chicago.

Sacramento, CA 95822


M.W. Thompson Investigative Services

Serving the Sacramento area, M.W. Thompson Investigative Services has more than 20 years of experience in specialty areas like surveillance, criminal investigation, workers compensation, skip tracing, background checks, and process service. Founder Matt Thompson previously worked as a Criminal Investigator at the San Francisco Public Defender’s Office and is a current member of the Investigator Panel for Sacramento County. This firm is associated with the California Association of Licensed Investigators.

Sacramento, CA 95833


RCM Investigation and Security Services

RCM Investigation and Security Services is based in the Sacramento area and also has offices in San Francisco and the Philippines. This firm has an A+ rating from the Better Business Bureau and more than 24 years of experience in civil, criminal, and corporate investigations, fraud, identity theft, computer forensics, background checks, asset location, lie detection, and many related services.

Elk Grove, CA 95758


SBL Investigations

SBL Investigations in Sacramento boasts more than 34 years of law enforcement experience, with specialty areas including criminal investigation, witness location, background checks, human resources, accident investigation, insurance fraud, and more. This firm is licensed with the state of California and serves the entire Sacramento region including Sacramento County, Yolo County, El Dorado, and San Joaquin County. They are associated with the California Association of Licensed Investigators, National Council of Investigation and Security Services, and California's Department of Consumer Affairs.

Sacramento, CA 95829


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