Insights

Acquisition Expansion Guardian Alarm’s recent acquisitions such as S&S Security and ProAlert Security Systems indicate an aggressive growth strategy and an opportunity to upsell integrated security services, cross-sell across newly acquired client bases, and standardize offerings across regions.

Midwest Market Strength As one of the largest independently-owned security firms in the Midwest with a long-standing presence since 1930, there is a strong opportunity to target regional commercial real estate, manufacturing, and hospitality segments for scalable security, automation, and monitored services.

Integrated Solutions Guardian Alarm’s portfolio spans intrusion, fire and life safety, smart automation, remote video monitoring, and access control, suggesting sales potential for bundled security solutions with scalable multi-site deployments and upgrades to cloud and analytics capabilities.

Partner Network Strategic partnerships such as with Brivo and collaborations like Fischer Homes indicate openness to ecosystem integrations and co-sell motions, presenting a path for joint offerings, channel partnerships, and upsell campaigns.

Technology Backbone A tech stack featuring AWS, Microsoft Power Platform, Active Directory, Jira, and collaboration tools signals readiness for modern security operations centers, enterprise integrations, and data-driven monitoring—ideal for selling advanced analytics, automation, and managed services.

Similar companies to Guardian Alarm

Guardian Alarm Tech Stack

Guardian Alarm uses 8 technology products and services including The Trade Desk, iCIMS, Microsoft Power Platform, and more. Explore Guardian Alarm's tech stack below.

Media & News

Guardian Alarm's Email Address Formats

Guardian Alarm uses at least 4 email formats:
Guardian Alarm Email FormatsExamplePercentage
FLast@guardianalarm.comJDoe@guardianalarm.com
73%
Last@guardianalarm.comDoe@guardianalarm.com
20%
First.Last@guardianalarm.comJohn.Doe@guardianalarm.com
5%
Last_First@guardianalarm.comDoe_John@guardianalarm.com
2%

Frequently Asked Questions

What is Guardian Alarm's phone number?

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You can contact Guardian Alarm's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Guardian Alarm's official website and social media links?

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Guardian Alarm's official website is guardianalarm.com and has social profiles on LinkedIn.

How much revenue does Guardian Alarm generate?

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As of October 2026, Guardian Alarm's annual revenue is estimated to be $100M - $250M.

What is Guardian Alarm's SIC code and NAICS code?

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Guardian Alarm's SIC code is 7381 - Detective, Guard, and Armored Car Services and NAICS code is 5616 - Investigation and Security Services.

How many employees does Guardian Alarm have currently?

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As of October 2026, Guardian Alarm has approximately 420 employees across 3 continents, including North America, Europe and South America. Key team members include President: T. M. C., Owner: A. R. and Owner: B. S. Explore Guardian Alarm's employee directory with LeadIQ.

What industry does Guardian Alarm belong to?

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Guardian Alarm operates in the Security and Investigations industry.

What technology does Guardian Alarm use?

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Guardian Alarm's tech stack includes The Trade Desk, iCIMS, Microsoft Power Platform, Amazon Web Services, Microsoft Active Directory, Atlassian Jira, monday.com and Pardot.

What is Guardian Alarm's email format?

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Guardian Alarm's email format typically follows the pattern of FLast@guardianalarm.com. Find more Guardian Alarm email formats with LeadIQ.

When was Guardian Alarm founded?

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Guardian Alarm was founded in 1930.
Guardian Alarm logo

Guardian Alarm

Security and InvestigationsMichigan, United States201-500 Employees

Guardian Alarm is a midsize, independently owned security company based in Southfield, Michigan, serving homes and businesses across the Midwest. Since 1930, it has delivered customized security solutions that span intrusion detection, smart automation, remote video monitoring, fire and life safety, commercial access control, and around-the-clock monitoring. It operates as a full-service provider in the security and investigations sector.

Its customer base includes homeowners and small to mid-sized commercial clients seeking integrated protection and safety solutions in the region. The company is positioned as an experienced, independent player within the Midwest security market. In December 2024, Guardian Alarm expanded its footprint by acquiring Proalert Security Systems in Cincinnati, reflecting ongoing growth through strategic acquisitions.

Section iconCompany Overview

Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Founded
1930
Employees
201-500

Section iconFunding & Financials

  • $100M - $250M

    Guardian Alarm's revenue is estimated to be in the range of $100M - $250M

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