Insights

Established Local Presence Guardian Security Services has a strong foothold in the Chicagoland area with a long-standing reputation since 1975, making it a trusted partner for local commercial, residential, and industrial clients seeking reliable security solutions.

Diverse Client Base The company's services cater to a broad range of sectors including corporate headquarters, public utilities, financial institutions, and educational campuses, presenting multiple avenues for expansion into niche markets or additional security services.

Revenue Growth Potential With annual revenues estimated between $25 million and $50 million, there is significant scope to scale operations, introduce premium security offerings, or expand into new regions to increase market share.

Technology Utilization-Opportunity Utilizing cloud-based services like AWS and customer engagement platforms such as LinkedIn Ads indicates openness to integrating cutting-edge technology; there is potential to enhance cybersecurity offerings and smart surveillance solutions for clients.

Industry Competition Operating in a competitive landscape with companies like ADT, Stanley Security, and Vivint, Guardian Security can leverage its long-standing local reputation and customized service approach to differentiate and attract clients seeking trusted, personalized security programs.

Guardian Security Services, Inc. Tech Stack

Guardian Security Services, Inc. uses 8 technology products and services including LinkedIn Ads, Amazon Web Services, Open Graph, and more. Explore Guardian Security Services, Inc.'s tech stack below.

  • LinkedIn Ads
    Advertising
  • Amazon Web Services
    Cloud Hosting
  • Open Graph
    Content Management System
  • Cloudflare
    Content Management System
  • jQuery Migrate
    Javascript Libraries
  • imagesLoaded
    Javascript Libraries
  • PHP
    Programming Languages
  • Facebook
    Widgets

Media & News

Guardian Security Services, Inc.'s Email Address Formats

Guardian Security Services, Inc. uses at least 1 format(s):
Guardian Security Services, Inc. Email FormatsExamplePercentage
First@guardiansecurityinc.comJohn@guardiansecurityinc.com
44%
FLast@guardiansecurityinc.comJDoe@guardiansecurityinc.com
11%
Middle@guardiansecurityinc.comMichael@guardiansecurityinc.com
1%
First@guardiansecurityinc.comJohn@guardiansecurityinc.com
44%

Frequently Asked Questions

What is Guardian Security Services, Inc.'s official website and social media links?

Minus sign iconPlus sign icon
Guardian Security Services, Inc.'s official website is guardiansecurityinc.com and has social profiles on LinkedIn.

What is Guardian Security Services, Inc.'s SIC code NAICS code?

Minus sign iconPlus sign icon
Guardian Security Services, Inc.'s SIC code is 7381 - Detective, Guard, and Armored Car Services NAICS code is 5616 - Investigation and Security Services.

How many employees does Guardian Security Services, Inc. have currently?

Minus sign iconPlus sign icon
As of December 2025, Guardian Security Services, Inc. has approximately 501 employees across 3 continents, including North AmericaAfricaEurope. Key team members include Managing Director And Partner: Z. S.Security Operations Manager: V. M.Sales Manager: S. L.. Explore Guardian Security Services, Inc.'s employee directory with LeadIQ.

What industry does Guardian Security Services, Inc. belong to?

Minus sign iconPlus sign icon
Guardian Security Services, Inc. operates in the Security and Investigations industry.

What technology does Guardian Security Services, Inc. use?

Minus sign iconPlus sign icon
Guardian Security Services, Inc.'s tech stack includes LinkedIn AdsAmazon Web ServicesOpen GraphCloudflarejQuery MigrateimagesLoadedPHPFacebook.

What is Guardian Security Services, Inc.'s email format?

Minus sign iconPlus sign icon
Guardian Security Services, Inc.'s email format typically follows the pattern of First@guardiansecurityinc.com. Find more Guardian Security Services, Inc. email formats with LeadIQ.

When was Guardian Security Services, Inc. founded?

Minus sign iconPlus sign icon
Guardian Security Services, Inc. was founded in 1975.

Guardian Security Services, Inc.

Security and InvestigationsIllinois, United States501-1000 Employees

Guardian Security Services, a locally owned security company, was founded by its current management in 1975 and has established itself as the security leader in Chicagoland. We provide customized, cost-effective programs to commercial properties, corporate headquarters, public utilities, residential communities, financial institutions, college campuses, industrial, logistics, manufacturing facilities, and more.

We believe the secret to our success is no secret at all, simply Guardian’s unique combination of:

Employee integrity, quality, professional performance, and overall commitment to excellence.
Client Focus and the recognition that our success begins and ends with satisfied clients.
Partnerships with our clients that are open, honest, mutually beneficial, and long-term business relationships.
Professionalism that provides the highest level of service with integrity.
Benchmarking our services and expertise against industry leaders allows us to continuously raise the bar and strive for excellence in every facet of the industry.

Section iconCompany Overview

SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Founded
1975
Employees
501-1000

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    Guardian Security Services, Inc.'s revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Guardian Security Services, Inc.'s revenue is estimated to be in the range of $25M$50M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.