Best Private Investigators in Seattle

Why These Private Investigators?

Our goal is to connect people with the best local experts. We scored Seattle 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 156 99 14

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

Brian Blackwell Investigations

Brian Blackwell Investigations is a Seattle private investigation service. Brian Blackwell has been a licensed private investigator since 1993 and offers various investigative services. He provides services for insurance claim investigations, surveillance and skip tracing, and litigation and process serving. He also provides private investigative services for infidelity and cheating spouse surveillance including photographs, video, identity, background investigation, and child protection.

Seattle, WA 98107


Emerald City Investigations

Emerald City Investigations is a Des Moines private investigative company that provides services for clients throughout Washington State. The company provides various private investigative services such as adultery and marital infidelity, surveillance, child custody, background and pre-employment checks, locates and skip tracing, address verification and history, asset searches, court and public record research, and insurance fraud and injury claims, as well as protection services.

Des Moines, WA 98198


Holmes Legal Investigations, LLC

Holmes Legal Investigations, LLC is a Tukwila private investigative service that was founded by principal Andy Holmes. Andy has over a decade of experience working in the Middle East and Southeast Asia for the Department of Defense, the US State Department, and other government agencies. Holmes Legal Investigations, LLC offers various civil investigations, criminal investigations, and security consulting services such as background investigations, interviews and statements, surveillance, felony and misdemeanor investigations, video depositions, event security, and executive protection.

Tukwila, WA 98188


HSI Investigations

HSI Investigations is a Seattle private investigation service that provides investigative services for attorneys and other licensed private investigators, businesses, government, and private citizens. The company specializes in criminal defense investigations, civil rights investigations, personal injury investigations, labor/management/employment investigations, and land use/environmental/natural resource issues. Principal investigator John Hays has over 40 years of investigative experience.

Seattle, WA 98118


Intravaia Investigations LLC

Intravaia Investigations LLC is a Seattle private investigative service that was founded in 2010 by owner Michael Javorsky. The company staff are all prior law enforcement officers and/or military personnel. Intravaia Investigations LLC offers a wide range of security consulting and private investigations services such as business protection, computer monitoring and forensics, criminal investigations, insurance investigations, missing persons and emergency locates, and physical protection.

Seattle, WA 98155


Leigh Hearon Investigative Services

Leigh Hearon Investigative Services is a Quilcene-based private investigative service that was founded in 1992. The company has clients worldwide and offers assistance for clients within the legal community and in the private sector. Leigh Hearon Investigative Services provides services such as witness interviews, background checks, insurance fraud investigation, locates, and assistance in developing trial strategies.

Quilcene, WA 98376


Linda Montgomery Investigations

Linda Montgomery Investigations is a Seattle private investigation service that offers a wide range of services. The company also offers a Professional Investigation Seminar and a Washington State PI Certification Course. Linda Montgomery Investigations provides services such as advanced Internet research, background investigations, and civil and criminal trial preparation. The company also provides corporate investigations such as due diligence, pre-employment background, workers’ compensation claims, corporate fraud, litigation support, and sexual harassment.

Seattle, WA 98117


Melendez & Associates Investigations

Melendez & Associates Investigations is a Bellevue private investigative service that provides services for individuals, law firms, and sole practitioner attorneys throughout the United States and worldwide. The company provides investigative services for personal injury, family law and probate, criminal defense, and corporate investigations.

Bellevue, WA 98004


Powers Investigations

Powers Investigations is a Renton private investigative company that was founded in 2001. The company provides a large number of investigative services such as surveillance, locates, background checks, asset searches, process of service, insurance and fraud, and witness interviews. Powers Investigations offers clients assistance with auto claims, accident claims, property claims, injury claims, product liability claims, and more.

Renton, WA 98058


Premier Risk Solutions, LLC

Premier Risk Solutions, LLC is an Everett private security company that was founded in 2014. The company provides numerous services such as security consulting services, food protection, private security services, private investigative services, and digital forensics. Premier Risk Solutions, LLC maintains business relationships throughout the world, allowing the company to draw upon resources in 65 countries.

Everett, WA 98208


The Steel Horse Group

The Steel Horse Group is a Tacoma-based private investigative company that provides surveillance investigations and security consulting services. The company provides services for clients such as law firms, government offices, corporations, small businesses, nonprofits, faith based organizations, and domestic and private individuals. The Steel Horse Group provides services such as investigations, surveillance, background checks, and executive protection.

Tacoma, WA 98402


Washington State Investigators

Washington State Investigators is a Burien private investigation company that was founded in 2013. The company provides a wide range of private investigation services such as adultery and infidelity, civil investigations, computer security, corporate investigations, covert surveillance, criminal investigations, cyber investigations, employment verification, employee harassment, background checks, photo documentation, workers compensation, identity theft, network security, real estate and land investigations, skip trace, and surveillance.

609 SW 150th St Unit 66297
Burien, WA 98166


Winquist Investigations

Winquist Investigations is a Kenmore private investigative company that was founded in 1988 by owner Rose Winquist. The company provides services to the legal, insurance, and business communities, as well as private parties. Winquist Investigations offers a wide range of investigative services such as business, estate and probate, commercial litigation, insurance defense, domestic, public service, due diligence, and criminal cases.

Kenmore, WA 98028


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