Security System Design & Installation for NH & Southern ME
From keyless entry to cloud surveillance, A&B Lock delivers integrated physical security systems for properties of every size.
Complete Security Solutions—Designed, Installed, and Maintained
Whether you’re securing a school, office, apartment complex, or retail location, A&B Lock and Security provides expert installation of mechanical and electronic security systems throughout New Hampshire and Southern Maine.
We offer single-source project management from planning and design to implementation and support. Our systems are scalable, compliant, and tailored to your unique space, budget, and operational needs.
“They set up our access control, intercom, and camera system across multiple buildings. Seamless install and excellent follow-through.” — Mike McManamon
Our Security Services
Access Control
We cut and program OEM and aftermarket keys for most cars, trucks, and vans.
Keyless Entry
We replace fob and remote batteries on-site, including emergency service for dead smart keys.
Cloud-Managed Systems
Need a spare or lost every key? We can generate and program new ones—even with no original.
Why Choose A&B for Security?
- Full integration with locks, doors, and low-voltage cabling
- Licensed technicians with modern certifications
- Scalable designs from single-door setups to campus-wide systems
- Local support you can reach—no out-of-state call center
“Reliable, responsive, and honest. The system they installed works perfectly and the support is always on point.” — Kyle Walker
Let’s Build the Right Security System for You
Call A&B Lock at (603) 527-0192 or fill out our contact form to schedule a walkthrough. We serve residential, commercial, and municipal clients across NH and Southern ME.
