At B&S, we take a client-first approach. For more than four decades, we have equipped local and national clients with specialized security solutions and outstanding service so they can confidently steer their organizations toward success. Here are a few of our valued clients:

At BSISS, we provide industry-leading commercial security systems for businesses, municipalities, and government facilities in Merrimack, New Hampshire. Our veteran-owned team combines decades of technical expertise with a mission-driven approach to deliver systems that keep people, property, and critical operations safe.

Serving the Security Needs of Merrimack, NH

Merrimack is a dynamic and fast-growing community located between Nashua and Manchester along the F.E. Everett Turnpike. With its mix of retail centers, corporate campuses, distribution hubs, and public facilities, Merrimack businesses face a wide range of security challenges—from asset protection to regulated access control.

Whether you operate a manufacturing site along Daniel Webster Highway, manage a municipal building near Town Hall, or run a professional office near the Merrimack Premium Outlets, BSISS delivers customized security solutions that align with your facility’s layout, compliance requirements, and day-to-day operations.

Security System Services in Merrimack, NH

Our full-service team provides end-to-end installation, integration, and support across all essential security system components:

Access Control Systems
Secure and manage entry points using credentialed access. From standalone doors to multi-building systems, we install scalable solutions that include card readers, keypads, mobile access, and biometric options.

Physical Security Doors and Locks
We install heavy-duty doors and locking mechanisms built to resist physical attacks and unauthorized access attempts. Our systems are ideal for high-risk facilities and integrate easily with modern electronic security systems.

Lockdown Systems
For facilities requiring fast, facility-wide emergency response, BSISS provides lockdown systems that can instantly secure entrances and interior zones. These systems are critical for schools, town buildings, and sensitive operational sites.

Video Surveillance Systems
Get comprehensive visual coverage of your property with smart video surveillance solutions. We deploy high-definition cameras, network video recorders, cloud access, and AI-powered analytics to give you better oversight and faster incident response.

Intrusion Alarm Systems
Detect unauthorized access or tampering using a strategic layout of motion detectors, door/window contacts, and glass-break sensors. Our alarms are designed for 24/7 monitoring and instant alerts.

Fire Alarm Systems
BSISS installs fire detection and notification systems tailored to each facility’s size and layout. We ensure full compliance with local fire codes and NFPA standards using smoke detectors, pull stations, control panels, and notification devices.

Government Security Systems
We specialize in securing government facilities with GSA-approved components, hardened access control, and compliant surveillance systems. From town offices to utility infrastructure, we ensure secure, reliable protection.

Why Merrimack Clients Choose BSISS

• Veteran-owned and operated with decades of real-world experience

• New Hampshire-based technicians for fast, local support

• Custom-built solutions for each facility’s layout and risk profile

• Compliance with building codes, government standards, and industry best practices

• Reliable post-installation service, training, and monitoring options

Book a Free Security Consultation

If your Merrimack facility needs an upgraded or newly installed security system, BSISS is ready to help. We provide on-site evaluations and expert guidance on the best tools to safeguard your business, employees, and assets.

Contact us today to schedule your free consultation and get a custom security plan built for your needs.

Also serving Litchfield NH and surrounding towns.