Integrity
24/7 Response
Local Insight
Licensed Investigators You Can Trust
Private Sean Investigations is a Seattle-based private investigations and forensic services provider, licensed and insured, serving individuals, businesses, and legal professionals with discreet case handling, strong industry memberships, and clear, evidence-focused reporting.
Rooted In Your Community
Our investigators know the local landscape, understand regional risks, and respect diverse communities, which means discreet fieldwork, practical security guidance, and trusted support when sensitive situations affect your safety, reputation, or livelihood.
Private Investigations
Discreet surveillance, background checks, and fact-finding that clarify personal, family, or workplace concerns.
Forensic Analysis
Computer forensics, data recovery, and digital evidence support that stand up in court.
Corporate Security
Risk and threat assessments, training, and response planning that strengthen corporate security and reduce costly incidents.
Sean "Brad" Masterson
Lead Investigator & Strategist
Sean "Brad" Masterson leads operations at Private Sean Investigations with extensive field expertise and a commitment to high-precision security and forensic analysis. His technical capabilities and industry leadership are backed by rigorous state credentials and professional affiliations:
Licences & Certifications
• Washington State Private Investigator License
• Security Guard Certification
Professional Associations
• National Association of Legal Investigators (NALI)
• Washington Association of Legal Investigators (WALI)
• ASIS International
Technical Surveillance Solutions
For permanent CCTV hardware, 24/7 video monitoring, and physical camera installations, our trusted partner network delivers advanced technical security infrastructure to keep your residential or commercial property fully protected.
The Investigative Process
Initial Consultation
We begin with a confidential conversation, clarify your concerns, and outline risks and objectives.
Strategic Planning
We then design a focused investigation plan tailored to your specific case.
Discreet Execution
We deploy experienced investigators or forensic analysts and gather evidence discreetly.
Reporting & Action
Findings are delivered through secure reporting, clear next steps, and, when needed, coordinated support for legal or security follow-through.