We offer protective and preventative services that scores of businesses have come to depend on. From uniformed security officers to discreet executive consultation, we are dedicated to unwavering professionalism, state-of-the-art technology, specialized training, and a clear-eyed assessment of the risks you face.

American Security & Investigations - Guard - Security officers, security guards, integrated security systems, security integrator, loss prevention specialist, executive protection agent, remote guarding services


ASI provides clients with skilled and experienced security officers, loss prevention specialists, and executive protection agents. Through our proprietary training programs and sophisticated support structures, we ensue our teams lead the industry in professionalism and expertise.

American Security & Investigations - Intel - Intelligence, investigations, asset investigation, credit history research and investigation, criminal records investigations, driving record investigative search, general investigations and due diligence, personal protection, social security investigative trace, workplace violence


ASI offers Due Diligence, Field Investigative Services, and Background Screening through our Investigative branch; CaptureINTEL. CaptureINTEL has extensive experience providing investigative, intelligence, and security services.

American Security & Investigations - Tech - Technology, technology integrations, integrated security system, security integrator, remote guarding services


We provide proactive, cost-effective security surveillance through our innovative remote guarding and mobile applications. Our technology solutions deliver a flexible, scalable infrastructure that allows clients to feel secure at all times.

American Security & Investigations - Consult - Consulting, threat assessment, security risk consulting, security training, risk management


Security starts with understanding risk. Our subject matter experts partner with our clients’ internal stakeholders to provide corporate training options to include: CPR/AED/First Aid, Emergency Procedures and Tenant Warden Training, Facility Risk Assessments, Workplace Violence Workshops and more.

Marsden Services is a full spectrum facility services provider, offering janitorial, security, building maintenance, and specialty property services throughout the United States.American Security is a Marsden Services company. Marsden is a full spectrum facility services provider, offering janitorial, security, building maintenance, and specialty property services throughout the United States. Through American Security’s combined national support and local operations, we provide our clients with the strength of a large corporation with the individualized care of a small business.

Marsden is one of the largest privately owned facility service providers in the United States. Marsden has over 50 offices throughout the United States and employs more than 10k people. Marsden has thousands of clients across the country and services over 300M square feet every day.
Despite Marsden’s national scope, Marsden focuses on the local markets in which it has acquisitions and office locations. Each office is invested in its community and local clients, providing personalized service. Like a small, local company, the regional offices make decisions on all aspects of their service operations and are empowered to manage their teams and respond to all client needs and requests.
Marsden’s local operating companies have the benefit of leveraging Marsden’s resources as a large organization – including staff, technology, equipment, supplies, information, industry experts, and financial support.
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