Local since 2003Licensed in Nevada and Arizona24/7 security and fire monitoring
Las Vegas (702) 737-8464  |  Phoenix (602) 431-1300

In July 2022, Sting Alarm acquired Nexsys, a Las Vegas commercial alarm integrator that specialized in the design, installation, and management of security systems for businesses. Nexsys customers continued to receive service for their alarm, access control, and video surveillance systems, now from Sting Alarm. Former Nexsys customers can reach us at (702) 737-8464.

Las Vegas Strip skyline at sunset with the Nexsys and Sting Alarm logos

What Nexsys customers can expect

Nexsys was an early adopter of scalable, cloud-based security services, which made for an aligned vision with Sting Alarm for the future of Las Vegas security. Sting Alarm continues to provide former Nexsys customers with service for their alarm, access control, and video surveillance systems.

We welcome questions from Nexsys customers. To talk with Sting Alarm about your services, call (702) 737-8464, Monday to Friday, 8 a.m. to 5 p.m.

Part of a series of acquisitions

Nexsys was the first of three local acquisitions in about six months. Sting Alarm went on to acquire Signal Fire, a Las Vegas fire protection company, in December 2022, and Shield Fire and Security in January 2023.

About Sting Alarm

Since 2003, Sting Alarm has been a local, independently owned security company in Las Vegas, now also serving Phoenix. We provide business security systems, home security, cameras, access control, remote guarding, and fire protection from one vendor. Read more about Sting Alarm.

Frequently asked questions

Who acquired Nexsys?

Sting Alarm, a Las Vegas security and fire protection company founded in 2003, acquired Nexsys in July 2022.

I was a Nexsys customer. Who services my system?

Sting Alarm services former Nexsys alarm, access control, and video surveillance systems. Call (702) 737-8464.

What did Nexsys do?

Nexsys was a Las Vegas commercial alarm integrator that designed, installed, and managed security systems for businesses, and was an early adopter of scalable, cloud-based security services.

Keep reading

★★★★★ Isaac and Isaac from Sting were amazing!!! They showed up on time and even got the installation done before the quoted time. Isaac explained how the system worked in detailed and set up my cameras and doorbell without any issues. I would recommend Sting to anyone looking to upgrade their security system and ask for Isaac.

Jason Brooks · 2 weeks agoGoogle review

★★★★★ Sting Alarm has been great to work with. Had an issue that needed a field tech to come out. Mike was dispatched and worked on the issue - quickly identifying the issue and resolving it for me. Friendly and great service!

Walter Hashimoto · 3 weeks agoGoogle review

★★★★★ From the beginning, Sting Alarm has been so easy to work with. From Jeff in Sales, to scheduling, and finally when our tech came out in a Saturday for the installation, everything was seamless. Our tech Isaac was fantastic. He was neat and cleaned up after the installation, and took time with me and my husband to get us set up on the app. He was patient, walking us through all the features.… Read on Google

Heather Mulligan-Gonzalez · a month agoGoogle review

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