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Whelan Security Employee Directory

Security and InvestigationsMissouri, United States1001-5000 Employees

Whelan Security is a security and investigations company headquartered at 1699 South Hanley Road, Suite 350, St. Louis, Missouri 63144, United States. It is one of the largest contract security providers in the United States and serves hundreds of clients across diverse industries nationwide. The company employs between 1,001 and 5,000 people and maintains a website at https://whelansecurity.com. In January 2019, Garda World Security Corporation acquired Whelan Security. Reported revenue falls within a range of $250 million to $500 million.

Find Whelan Security employees' phone numbers or email addresses

Whelan Security Global Highlights

Location
Employees

North America
1.8K

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  • United States Of America
    1.8K
  • Canada
    2
  • Saint Lucia
    1

Europe
3

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  • Germany
    1
  • Ireland
    1
  • United Kingdom Of Great Britain And Northern Ireland
    1

Asia
1

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  • Afghanistan
    1

Oceania
1

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  • Australia
    1

Whelan Security's Leadership

  • Chief Executive Officer at Whelan Security
    K. M.
    Chief Executive Officer
    Mobile Phone
  • Chief Financial Officer at Whelan Security
    M. M.
    Chief Financial Officer
    Mobile Phone
  • Owner at Whelan Security
    G. B.
    Owner
    Mobile Phone
  • Vice President at Whelan Security
    R. L.
    Vice President
    Mobile Phone
  • Regional Human Resources Director at Whelan Security
    J. S.
    Regional Human Resources Director
    Mobile Phone
  • Controller at Whelan Security
    K. F.
    Controller
    Mobile Phone
  • Temple Mall Security Director at Whelan Security
    M. C.
    Temple Mall Security Director
    Mobile Phone
  • Director Of Security at Whelan Security
    M. S.
    Director Of Security
    Mobile Phone

Whelan Security Employee Metrics

100%
50%
0%
2026
2025
  • Military & Protective Services
  • Customer Success
  • Program & Project Management
  • Operations
  • Human Resources
  • Other
  • Administrative
  • Sales
  • Recruiting

Contact profiles from Whelan Security

Name
Title
Contact
Location
Last Update
  • Owner at Whelan Security
    G. B.
    Owner
    Mobile Phone
    Oct 16, 2024
  • Chief Executive Officer at Whelan Security
    K. M.
    Chief Executive Officer
    Mobile Phone
    Oct 21, 2024
  • Chief Financial Officer at Whelan Security
    M. M.
    Chief Financial Officer
    Mobile Phone
    Oct 22, 2024
  • Vice President at Whelan Security
    R. L.
    Vice President
    Mobile Phone
    Oct 22, 2024
  • Regional Human Resources Director at Whelan Security
    J. S.
    Regional Human Resources Director
    Mobile Phone
    Oct 22, 2024
  • Controller at Whelan Security
    K. F.
    Controller
    Mobile Phone
    Oct 23, 2024
  • Temple Mall Security Director at Whelan Security
    M. C.
    Temple Mall Security Director
    Mobile Phone
    Oct 22, 2024
  • Director Of Security at Whelan Security
    M. S.
    Director Of Security
    Mobile Phone
    Oct 21, 2024
  • Account Manager at Whelan Security
    C. S.
    Account Manager
    Mobile Phone
    Oct 19, 2025
  • Security Manager at Whelan Security
    A. E. C.
    Security Manager
    Mobile Phone
    Mar 24, 2026

Frequently Asked Questions

What is Whelan Security known for?

Minus sign iconPlus sign iconWhelan Security was founded in 1949 and operates in the Security and Investigations industry. You can contact Whelan Security's main corporate office by phone at
+1-314-644-****
. Explore Whelan Security's company overview page for more information.

What is Whelan Security's most common email format?

Minus sign iconPlus sign iconWhelan Security employees' email format typically follows the pattern of FLast@whelansecurity.com. Trying to find reliable and up-to-date employee contact data? Find more Whelan Security email formats with LeadIQ.

How many employees does Whelan Security have currently?

Minus sign iconPlus sign iconWhelan Security has approximately 3.2K employees as of August 2026. These team members are located across 4 continents, including North America, Europe and Asia.

Who are Whelan Security's key employees and leadership?

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As of August 2026, Whelan Security's key employees include:

  • Chief Executive Officer: K. M.
  • Chief Financial Officer: M. M.
  • Owner: G. B.
  • Vice President: R. L.
  • Regional Human Resources Director: J. S.

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