Alarm & Security Systems for Homes & Businesses

White fire door with multiple red and white safety and emergency signs, including "FIRE DOOR DO NOT BLOCK", "EMERGENCY EXIT ONLY PUSH UNTIL ALARM SOUNDS DOOR CAN BE OPENED IN 15 SECONDS," and a small sign indicating it is an emergency exit. The door has a gold handle, a door closer at the top, and is surrounded by a light gray frame. To the left, there are fire safety equipment including a red fire alarm, a card access panel, and a white air purifier or sensor on the wall. There is also a sign on the wall with stairs indicating an exit. The floor has a dark, patterned carpet.

Protect What Matters Most — With Confidence

Whether it’s your business, your home, or both, a reliable alarm system is one of the most effective ways to deter intruders and protect your property. At Tier One Technologies, we design, install, and support modern alarm and security systems tailored to your space and your needs — with expert, local service you can count on.

A control room with multiple large monitors displaying maps, surveillance footage, and data, along with keyboards and other equipment on tables.
Shield icon with a checkmark in the center, representing security or protection.

Why Invest in an Alarm System?

Every year, businesses and homeowners across Southeast Michigan face preventable losses from break-ins, vandalism, and theft. A professionally installed alarm system:
✅ Helps deter crime before it happens
✅ Provides peace of mind when you’re away
✅ Alerts you and/or monitoring services immediately during an event
✅ Can lower insurance premiums in many cases

We help you choose the right system for your property — no unnecessary upsells, just the protection you need.

White concrete pillar with a security camera and a black square panel, in an indoor parking garage with yellow safety padding on the bottom of the pillar.

Commercial Alarm Systems

Businesses face unique security challenges — from protecting inventory and equipment to ensuring the safety of employees and customers.
We install and support commercial-grade alarm systems designed for:

  • Offices & corporate suites

  • Retail stores & restaurants

  • Warehouses & industrial spaces

  • Multi-tenant buildings

With advanced sensors, keypads, and optional integrations with access control and cameras, we build a complete security solution for your business.

A digital clock on a white wall shows the time 11:43 on Thursday, May 19. The background includes a blurred modern, well-lit dining room with a black table, white chairs, and shelves with plants and decor.

Residential Alarm Systems

Your home is your sanctuary — and keeping it secure shouldn’t be complicated.
We install reliable residential alarm systems with features like:

  • Door & window sensors

  • Motion detectors

  • Glass break sensors

  • 24/7 monitoring options

Our systems are easy to use and designed to fit your lifestyle and your budget.

A white tile with a black location pin icon on it, placed on graph paper with a grid pattern.

Based in Ann Arbor — Serving Southeast Michigan

We help local businesses within 75 miles of Ann Arbor find the right internet and phone services — and back them up with high-quality, low-voltage infrastructure.

Ready to Protect What Matters Most?

Contact us today to schedule a consultation and find the right alarm & security system for your home or business.

Contact Us