Private and Business Investigations - Due Diligence - Criminal, Civil Litigation, and Family Law Support - Threat Management
Wilson Investigations, LLC provides professional investigative services to private clients, businesses, wealth and family planners, property managers, attorneys, and public defense agencies throughout Washington State.
Led by Dan Phillips, a licensed private investigator with extensive private sector, federal, military, and corporate investigative experience.
Specialized in Due diligence, Threat Management and Insider Threat investigations and a contributor to development of ANSI Workplace Violence Prevention standards. The firm delivers fact‑driven, defensible, and ethically grounded investigations for complex criminal and civil matters.
Whether you are assessing a threat, developing background information, navigating a sensitive workplace or personal matter, or preparing for trial, Wilson Investigations delivers precision, discretion, and proven investigative methodology in every case.
Experience You Can Rely On
“I document what you can prove, not just what you think happened.”
With decades of investigative experience across military, federal, civil, criminal, and corporate domains, Wilson Investigations delivers clarity, discretion, and results.
Based in Poulsbo, Serving Kitsap County and Western Washington
Including Bainbridge Island, Kingston, Hansville, Seabeck, Silverdale, Bremerton, Port Orchard, and Naval Base Kitsap communities.
Our Core Services
Who We Serve
Private individuals seeking discreet answers and peace of mind.
Businesses and human resources professionals.
Wealth, trust, and estate advisors.
Property owners and management firms.
Family and criminal defense counsel.
Public defenders and court-appointed attorneys.
Professional & Discreet Investigative Services
“I document what you can prove, not just what you think happened.”
Background Investigations/Due Diligence
We provide comprehensive background investigations that go far beyond database searches—combining open-source intelligence, structured interviews, records analysis, and investigative experience to deliver a clear, accurate picture of the people and entities you need to trust. Services include infidelity and child custody surveillance, pre-nuptial and premarital background checks, missing person and asset location, elder fraud and abuse investigations, and background investigations due diligence.
Threat Assessment & Management
Wilson Investigations provides evidence‑based threat assessment and risk management services for organizations and individuals. We evaluate behavioral indicators, assess stalking or harassment cases, infidelity cases to a lessor degree, support workplace violence prevention efforts, and develop protective intelligence strategies. Our approach aligns with national standards and best practices for safety and organizational resilience. Learn more about Workplace Violence, Domestic Violence and Stalking victim resources ,
Surveillance & Counter‑Surveillance
We have access to experts with specialized investigative technology to support modern cases, including WiFi, Bluetooth device detection, and OSINT‑based investigative research. These services help clients identify unauthorized devices, assess digital exposure, and gather actionable intelligence for legal or safety purposes. Technical Surveillance Countermeasures can be obtained for detailed technical investigation. Is a PI right for your needs?
Criminal Defense Investigations
Wilson Investigations provides comprehensive investigative support for criminal defense attorneys and court‑appointed counsel throughout Poulsbo, Kitsap County, and Washington State. Services include witness interviews, Discovery and evidence review, scene documentation and analysis, mitigation support, and fact development for trial preparation. Our work is methodical, unbiased, and designed to withstand courtroom scrutiny.
Civil Litigation Support
We assist civil attorneys and private clients with fact‑driven investigations that clarify disputes and strengthen legal strategy. Services include witness location, Process service, workplace incident investigations, harassment and misconduct inquiries, asset location, fraud analysis, and pre‑litigation documentation. Wilson Investigations supports firms across Kitsap County and Western Washington with clear, defensible findings.