—— LICENSED & TRUSTED SINCE 2003
Seattle Private
Investigator
Uncover the Facts and Expose the Truth
Licensed private investigator with over 20 years of experience. Providing attorneys with thorough and reliable investigative support.
~100%
Locate Success Rate
20+ Years
Professional Experience
PNAI MEMBER
WA STATE LICENSED
ENDORSED PI TRAINER
WALI MEMBER
NATIONAL & INTERNATIONAL
—— OUR MISSION
Built for Attorneys, Driven by Results
As a licensed private investigator with over 20 years of experience, I specialize in providing thorough and defensible investigative support. At Summit Investigations, I work closely with legal professionals to uncover critical facts, locate key witnesses, gather admissible evidence, and conduct comprehensive background investigations — developing your trial strategy and offering better outcomes for your clients. Based in Seattle and operating nationally and internationally, I bring a reputation for professionalism, integrity, and results-driven service to every assignment.
Fully Licensed
Washington State licensed and nationally credentialed
National Reach
Operating across all 50 states and internationally
Court-Ready
All documentation meets admissibility standards
Precision-Driven
Every investigation is methodical and evidence-focused
——- WHAT WE DO
Investigative Services
Comprehensive investigative solutions tailored to legal professionals — from surveillance and asset searches to digital forensics and process service.
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Surveillance
Surveillance remains one of the most effective methods for obtaining admissible evidence.
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Asset Searches
Our asset investigations are a critical resource for attorneys seeking to identify and confirm an individual's or entity's financial holdings.
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Locates / Skip Trace
Using proven, strategic methodology, we specialize in locating individuals for litigation, service of process, or background verification.
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Backgrounds
We offer comprehensive background investigations, including public record searches and pre-employment screenings with credit reports when authorized.
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Social Media & Digital
Using advanced investigative tools and digital forensics, we identify and document social media profiles, online activity, connections, and behavioral patterns.
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Process Service
We specialize in serving hard-to-locate or evasive individuals using strategic, non-traditional methods. With a success rate near 100%
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Trial Preparation
We work closely with legal teams to support comprehensive trial preparation — from witness location and interviews to evidence gathering and case development.
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Bug Sweeps / Counter Surveillance
Our technical surveillance countermeasure (TSCM) services detect and eliminate electronic eavesdropping devices.
20+
YEARS EXPERIENCE
—— ABOUT US
Meet Adam Winquist
With over two decades of experience in investigations, Adam has built a reputation as a dedicated and resourceful professional. His career began early — while still in high school, Adam was assisting his parents in their private investigation business in Seattle, mastering camera and report writing skills, sharpening deductive skills, and gaining firsthand knowledge of the investigative process.
Adam has worked on cases from corporate investigations and fraud detection to missing persons and complex domestic matters. His approach is thorough, ethical, and rooted in a deep understanding of the legal and investigative landscape.
——- WHY SUMMIT
Why Attorneys Choose Us
We bring precision, confidentiality, and decades of field experience to every case — so you can focus on winning.
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Attorney-Focused
Every service we offer is built to support legal professionals with the evidence and documentation they need.
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Strict Confidentiality
Complete discretion on every case. Your clients' sensitive information is protected at all times.
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Court-Ready Reports
Professional, detailed documentation and reports formatted and ready for court proceedings.
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Fast Turnaround
Responsive communication and quick case initiation — because time-sensitive matters can't wait.
~100%
LOCATE SUCCESS RATE
20+
YEARS EXPERIENCE
1000+
CASES HANDLED
50+
STATES COVERED
——- HOW IT WORKS
Our Investigation Process
A streamlined, professional approach from initial consultation to final report delivery.
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Free Consultation
Schedule a confidential call to discuss your case needs, objectives, and timeline.
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Case Strategy
We develop a custom investigation plan tailored to your specific legal requirements.
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Investigation
Our team executes the plan using proven methods, advanced tools, and decades of expertise.
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Report & Delivery
Receive comprehensive, court-ready documentation with clear findings and supporting evidence.
——- CLIENT FEEDBACK
Trusted by Attorneys Across Washington
Ready to Get Answers?
Schedule a confidential, no-obligation consultation to discuss your investigative needs. We respond to all inquiries within 24 hours.
Get In Touch
Reach out for a confidential consultation about your case.
Phone
Location
Seattle, WA
Hours
Mon - Fri: 8:00 AM - 6:00 PM
Coverage
National & International
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