What departments does Whelan Security have?

Whelan Security has employees across 18 departments including Entrepreneurship, Finance, Human Resources, Accounting, Retail.

What is the largest department at Whelan Security?

The largest department at Whelan Security is Customer Success with 4 employees.

Where are Whelan Security employees located globally?

Whelan Security has employees across 4 continents and 8 countries including Afghanistan, Germany, Ireland, United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Whelan Security's team size changed over time?

Whelan Security's team has decreased from approximately 2.8K to 857 employees based on available data.

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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.

Whelan Security Global Highlights

North America
1.8K

United States Of America
1.8K
Canada
2
Saint Lucia
1

Europe
3

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

Asia
1

Afghanistan
1

Oceania
1

Australia
1

Whelan Security's Leadership

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

Whelan Security Employee Metrics

100%

50%

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

D. H.
Assistant Account Manager
Mobile Phone
Email
Apr 25, 2025
J. R.
Assistant Account Manager
Mobile Phone
Email
Oct 17, 2024
J. R. U.
Sprinter Brand Manager
Mobile Phone
Email
Oct 17, 2024
J. R.
General Manager
Mobile Phone
Email
United KingdomEngland
Apr 08, 2023
M. L.
Client Services Manager
Mobile Phone
Email
May 30, 2026
P. D.
Branch Manager
Mobile Phone
Email
Oct 22, 2024
R. W.
Business Development Manager
Mobile Phone
Email
May 17, 2025
R. H.
Account Manager
Mobile Phone
Email
Oct 17, 2024
S. G.
Manager, Information Technology Support
Mobile Phone
Email
Oct 17, 2024
T. M.
Assistant Account Manager
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is Whelan Security known for?

Whelan Security was founded in 1949 operates in the Security and Investigations industry; you can contact the 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?

Whelan Security employees' email format typically follows the pattern of . 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?

Whelan Security has approximately 3.1K employees as of July 2026. These team members are located across 4 continents, including North AmericaEuropeAsia.

Who are Whelan Security's key employees and leadership?

As of July 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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Whelan Security Employee Directory

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