Best Private Investigators in San Jose

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored San Jose 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 244 154 19

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

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


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


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


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


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


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


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


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


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


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


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


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


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


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


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