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Business Details
30 Years
experience
Trusted Security & Investigation Services in Seattle
Madigan Security is a premier security consulting and private investigation firm headquartered in Seattle, Washington. With over 125 years of combined experience, our team of former military personnel, law enforcement officers, and legal experts delivers tailored solutions to protect client assets and address complex security challenges. Founded in 1996 by C. Larry Madigan, we have evolved from a local security provider to a globally recognized firm offering background checks, investigative services, and physical security solutions. Our mission prioritizes client satisfaction through ethical practices, innovative strategies, and a commitment to exceeding industry standards.

We serve diverse sectors including banking, insurance, corporate, and legal professions, ensuring informed decision-making and risk mitigation. Our expertise spans corporate security consulting, legal investigations, active shooter training, and comprehensive background screening. We maintain a global network of resources while emphasizing personalized service and adherence to FCRA compliance. Our vision is to extend our leadership as Washingtons premier security firm and establish national and international prominence through integrity-driven solutions.
Services
Background Checks Security Consulting Investigations Physical Security Employee Screening Residential Screening Business Checks Risk Assessment Security Audits Surveillance
Details
  • Year established: 1996
Highlights and features
  • We have over 125 years of combined experience in security and investigations.
  • Our team includes former law enforcement officers, military personnel, and legal experts.
  • We maintain a global network of investigative and security resources.
  • Our background checks comply with FCRA and all state/federal laws.
  • We prioritize personalized service and ethical, innovative solutions.
Services
Background Checks
Madigan Security provides comprehensive background checks tailored to client needs. Our services include criminal/civil record verification, employment and education history validation, and international database checks. We ensure FCRA compliance and deliver detailed reports to mitigate hiring risks for businesses, nonprofits, and property management companies.
Security Consulting
Our security consulting services include risk assessments, security system audits, and customized security plan development. We evaluate internal/external threats and recommend advanced solutions like surveillance systems and access control to protect businesses, schools, and commercial properties.
Investigations
Madigan Security conducts thorough legal and corporate investigations, including asset searches, witness interviews, and surveillance. Supervised by a licensed attorney, our team delivers documented reports and court testimony for insurance claims, fraud cases, and litigation support.
Physical Security
We offer physical security solutions including unarmed guard duty, mobile patrols, and alarm response. Our trained professionals, many with military/law enforcement backgrounds, provide loss prevention and event security for corporations, government agencies, and special events.
Residential Screening
Our residential screening service reduces property risks through credit checks, criminal record verification, and eviction history reviews. Designed for property managers and homeowner associations, it minimizes tenant-related issues and enhances community safety.
People
C. Larry Madigan
Founder
C. Larry Madigan founded Madigan Security in 1996 after serving as Director of Security for Seattle First National Bank. With decades of experience in private security and law enforcement, he established the firms reputation for excellence in investigations and corporate security.
Questions
What services does Madigan Security offer?
We provide background checks, security consulting, legal investigations, physical security solutions, and residential screening. Our services are tailored to businesses, nonprofits, and individuals.
Are your background checks FCRA-compliant?
Yes, all our background checks adhere to the Fair Credit Reporting Act (FCRA) and state/federal regulations.
Do you serve clients outside Washington State?
Yes, we offer services nationwide and internationally through our global network of resources.
What industries do you work with?
We serve banking, insurance, corporate, legal, education, and property management sectors, among others.
How do your investigations ensure confidentiality?
All cases are supervised by a licensed attorney and handled with strict discretion to protect client privacy.
Can you help with security system upgrades?
Yes, we assess existing systems and recommend enhanced security solutions like cameras, access control, and lighting.