hero image

Best Private
Investigators in
San Jose

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 Jose, CA.

Reviewed Curated Top Picks 244 154 19

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.

cover image of Atlas Investigations  private-investigators/1.jpg

Atlas Investigations

Atlas Investigations is a private investigation service provider in San Jose that has been around since 1995. The company takes pride in its long-term relationship with clients and their referrals, and some of the services are background checks, employment screening, DNA and forensics testing, and ink fingerprinting. Atlas Investigations offers confidentiality in all its cases.

San Jose, CA 95112 (408) 392-9050


cover image of Avery and Associates Investigations  private-investigators/2.jpg

Avery and Associates Investigations

Avery and Associates Investigations is a private investigation and consulting firm in San Jose that provides professional, discreet, confidential, and thorough investigations. The company offers a range of services, such as surveillance and background checks, and it also supports clients with finding the evidence necessary in winning criminal and civil cases. Avery and Associates Investigations' owner has more than 30 years of experience in law enforcement, and it routinely works with public agencies, private attorneys, insurance companies, businesses, individuals, and fellow PI agencies.

San Jose, CA 95113 (844) 882-8379


cover image of Cody S Investigations  private-investigators/3.jpg

Cody S Investigations

Cody S Investigations is a private investigation firm in the San Francisco Bay Area that maintains nationwide and worldwide networks. The company offers a range of services relating to civil and domestic investigations, and it also provides support for criminal investigations and business intelligence operations. Clients of Cody S Investigations demonstrate their satisfaction by publishing good reviews on the firm's intuitiveness, organized, hardworking and dependable investigators.

Campbell, CA 95008 (408) 313-0109


cover image of Conroy and Associates, Inc.  private-investigators/4.jpg

Conroy and Associates, Inc.

Conroy and Associates, Inc. is a private investigation company in San Jose. The firm performs background checks and fraud examination tasks, and it commits to delivering high-quality results with cutting-edge and innovative approaches. Conroy and Associates, Inc. has been around since 1991, and its team members have more than 45 years of combined experience in the investigative and financial fields.

San Jose, CA 95113 (866) 431-5180


cover image of Cooke and Associates, Inc.  private-investigators/1.jpg

Cooke and Associates, Inc.

Cooke and Associates, Inc. is a private investigation company in San Jose that focuses on surveillance and executive protection. The firm uses creative, thorough, and innovative PI techniques, and some of the services are pre-employment background investigations and uniformed security. Cooke and Associates, Inc. commits to delivering service with integrity, and its team members have more than 50 years of combined professional experience.

Gilroy, CA 95020 (408) 842-0602


cover image of Copeland Investigations  private-investigators/2.jpg

Copeland Investigations

Copeland Investigations is a private investigation company in San Martin. The team focuses on surveillance and insurance claims, and it caters to law offices, insurance companies, corporations, small businesses, and select individuals in California and Hawai'i. Copeland Investigations has been in the industry since 2000, and its output includes photographic evidence and documents that can win court cases.

San Martin, CA 95046 (408) 776-7624


cover image of Creative Security Company  private-investigators/3.jpg

Creative Security Company

Creative Security Company is an agency in San Jose that provides high-quality and cost-effective site security services to its customers. The team engages in a range of confidential and challenging tasks, and this includes building security system development and installation, background checks, and surveillance. Creative Security Company is a member of the American Society for Industrial Security, California Apartment Association, and Building Owners and Managers Association International.

San Jose, CA 95110 (408) 295-2600


cover image of Denver B. Moore Investigations  private-investigators/4.jpg

Denver B. Moore Investigations

Denver B. Moore Investigations is a private investigation company in San Francisco. The agency helps attain the varying goals of clients, and its services include covert surveillance for family and infidelity cases, civil and criminal investigation support, bug detection, missing-person search, and polygraph testing. Denver B. Moore Investigations has been part of the PI industry for more than three decades.

Sunnyvale, CA 94087 (408) 745-6060


cover image of Dietz Associates, Inc.  private-investigators/1.jpg

Dietz Associates, Inc.

Dietz Associates, Inc. is a detective agency in San Jose that serves all of Northern California, including Silicon Valley. The company has multi-lingual investigators with decades of combined experience in all disciplines of private investigation, and its functions include photo documentation, subject location, litigation support, and background checks. Dietz Associations, Inc. has been in the industry since 1981, and it maintains a 24/7 emergency assistance desk for clients.

San Jose, CA 95112 (408) 293-9002


cover image of Doran Polygraph Services  private-investigators/2.jpg

Doran Polygraph Services

Doran Polygraph Services is a licensed and insured private investigation company in Santa Cruz. The team provides accurate polygraph services throughout the Bay Area, and it uses only the latest equipment, software, and techniques approved by the American Polygraph Association. Doran Polygraph Services deals with matters, such as infidelity and threats to public safety, and its clients include law enforcement agencies and law firms. Doran Polygraph Services' owner is a former sworn law enforcement officer with more than 10 years of experience in the field.

Santa Cruz, CA 95060 (408) 315-2710


cover image of Gotcha Legal Services  private-investigators/3.jpg

Gotcha Legal Services

Gotcha Legal Services is a company is San Jose that caters to clients nationwide. The team engages in service of process, private investigations, notary services, court filing assistance, and support in eviction and judgement collection cases. Gotcha Legal Services has been in the business since 1990, and it is a member of the United States Association of Process Servers, National Association of Professional Process Servers, and California Association of Legal Support Professionals.

San Jose, CA 95113 (408) 227-7647


cover image of Harder and Associates Private Investigator  private-investigators/4.jpg

Harder and Associates Private Investigator

Harder and Associates Private Investigators is a private investigation company located in Los Altos. The firm guarantees confidentiality by steadfastly upholding the principles of professional and ethical conduct, and it offers surveillance, background checks, skip tracing, asset location, record searches, and similar services. Harder and Associates Private Investigators has been serving the Bay Area since 1959, and it also engages in the delivery of legal documents.

Los Altos, CA 94022 (650) 941-5441


cover image of Night Hawk Private Investigations  private-investigators/1.jpg

Night Hawk Private Investigations

Night Hawk Private Investigations is a private investigation company in San Jose that operates with the core values of integrity, intelligence, and experience. The agency has been serving Northern and Southern California since 1990, and its tasks include asset investigations, background checks, pre-employment screening, and evidence gathering on cheating spouses, child custody investigations, and other legal situations. Night Hawk Private Investigations delivers on the cases with ethics and discreetness, and it offers affordable pricing.

San Jose, CA 95134 (408) 603-1850


cover image of Paula Drake Investigations  private-investigators/2.jpg

Paula Drake Investigations

Paula Drake Investigations is a private investigation company in San Jose. The firm serves the entire San Francisco Bay Area, and its client list includes law firms, corporate organizations, and individuals. The team conducts surveillance and activity checks, internet investigations and profiling, and missing-person searches, and it also assists with criminal defense and child custody investigation matters. Paula Drake Investigations is a member of California Association of Licensed Investigators, and it offers a free case evaluation.

Palo Alto, CA 94306 (650) 857-9465


cover image of Prestige Investigations, Inc.  private-investigators/3.jpg

Prestige Investigations, Inc.

Prestige Investigations, Inc. is a private investigation company in San Jose that provides discreet and diligent services. The team delivers with promptness, efficiency, and confidentiality, and it provides support in criminal defense cases, such as those involving assault and battery, workplace violence, fraud, and domestic abuse. Prestige Investigations' owner has more than 25 years of honorable law enforcement service with the San Jose Police Department, and he is an active member of California Association of Licensed Investigators, California Narcotics Officers Association, National Notary Association, San Jose Police Officers Association, and Central Coast Gang Investigators Association.

San Jose, CA 95128 (408) 227-1935


cover image of Rivera and Associates  private-investigators/4.jpg

Rivera and Associates

Rivera and Associates is a private investigation agency in Santa Clara that serves all of Northern California. The company has been providing effective and efficient services since 1998, and it offers a range of services, including background and online research, surveillance, missing-person search, and GPS satellite tracking. Rivera and Associates continually receives reviews from satisfied customers through independent industry associations and feedback providers.

Santa Clara, CA 95050 (408) 845-0068


cover image of Robert Ferris Investigations  private-investigators/1.jpg

Robert Ferris Investigations

Robert Ferris Investigations is a private investigation agency that has been serving all of California since 1990. The team offers its services to individuals, businesses, attorneys, and insurance companies, and it delivers the job with sensitivity, professionalism, confidentiality, and efficiency. Robert Ferris Investigations (license# PI14584) is a member of California Association of Licensed Investigators, and provides a free consultation.

San Jose, CA 95112 (408) 320-5711


cover image of Spencer Elrod Services, Inc.  private-investigators/2.jpg

Spencer Elrod Services, Inc.

Spencer Elrod Services, Inc. is a private investigation company that specializes in surveillance serving the San Francisco Bay Area. The company assists with criminal defense, child custody, and cheating spouse investigations, and it also conducts employee background checks, surveillance, and similar work. Spencer Elrod Services, Inc. is a recipient of the Best Private Investigator recognition by readers of Recorder Legal.

Walnut Creek, CA 94596 (925) 930-3952


cover image of The Freel Agency, Inc.  private-investigators/3.jpg

The Freel Agency, Inc.

The Freel Agency, Inc. is a private investigation company in San Jose that has a network of more than 2,000 detectives throughout the United States. The team performs a range of tasks, such as civil litigation support, background investigations, and undercover work, and it also helps clients deal with mystery shopping, cheating spouse, and evidence obtainment issues. The Freel Agency, Inc. has been in the industry since 2001, and it holds a California Bureau of Security and Investigative Services license. The firm's private detectives are members of California Association of Licensed Investigators and League of United Latin American Citizens.

Los Gatos, CA 95032 (408) 799-3752


Wrong city? Here are some nearby places: