Insights

Established Market Presence With over 10,000 employees and a revenue range of 250 to 500 million dollars, Guardsmark demonstrates a strong and established presence in the security and investigations industry, indicating capacity for large-scale security contracts and ongoing client relationships.

Geographic Reach Based in New York with additional offices across the United States, Canada, Puerto Rico, the United Kingdom, and France, Guardsmark offers potential for expanding security services into various international markets and catering to multinational corporate clients.

Diverse Service Portfolio Offering a wide array of services including uniformed security officers, investigations, consulting, facility design, and specialized protection programs provides multiple opportunities to cross-sell and tailor solutions to different client needs across industries.

Industry Relationships Operating in the security and investigations sector alongside competitors like SOS Security and Titan Security Group presents scope for partnerships or differentiating through enhanced technological capabilities or specialized security offerings to gain competitive advantage.

Growth Potential Given the company's extensive experience since 1963 and its comprehensive service offering, there is potential for growth in cybersecurity-themed services or advanced investigative technologies to meet evolving security threats.

Guardsmark Tech Stack

Media & News

Guardsmark's Email Address Formats

Guardsmark uses at least 1 format(s):
Guardsmark Email FormatsExamplePercentage
FLast@guardsmark.comJDoe@guardsmark.com
57%
LastFirst@guardsmark.comDoeJohn@guardsmark.com
21%
FirstLast@guardsmark.comJohnDoe@guardsmark.com
12%
First.Last@guardsmark.comJohn.Doe@guardsmark.com
10%

Frequently Asked Questions

Where is Guardsmark's headquarters located?

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Guardsmark's main headquarters is located at 10 Rockefeller Plaza, 12th Floor. The company has employees across 5 continents, including North AmericaEuropeAfrica.

What is Guardsmark's phone number?

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You can contact Guardsmark'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 Guardsmark's official website and social media links?

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Guardsmark's official website is guardsmark.com and has social profiles on LinkedIn.

What is Guardsmark's SIC code NAICS code?

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

How many employees does Guardsmark have currently?

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As of December 2025, Guardsmark has approximately 10K employees across 5 continents, including North AmericaEuropeAfrica. Key team members include Chief Lobby Officer: R. G.Vice President Chief Learning And Development Officer: D. M. M.Vice President Risk Assessment: J. L.. Explore Guardsmark's employee directory with LeadIQ.

What industry does Guardsmark belong to?

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Guardsmark operates in the Security and Investigations industry.

What is Guardsmark's email format?

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Guardsmark's email format typically follows the pattern of FLast@guardsmark.com. Find more Guardsmark email formats with LeadIQ.

Guardsmark

Security and InvestigationsNew York, United States10001+ Employees

Guardsmark, LLC provides security services. It offers security services, including uniformed officers and individualized protection of client assets; investigations, such as undercover agents; consulting, including safety and security program surveys; and background screening. The company also provides facility design, including technical and physical security infrastructure; and specialized services, such as executive protection, emergency operations, white-collar crime programs, and computer crime programs. Guardsmark, LLC was founded in 1963 and is based in New York, New York with additional offices in the United States, Canada, Puerto Rico, the United Kingdom, and France.

Section iconCompany Overview

Headquarters
10 Rockefeller Plaza, 12th Floor
Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Employees
10001+

Section iconMedia & News

Section iconFunding & Financials

  • $250M$500M

    Guardsmark's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Guardsmark's revenue is estimated to be in the range of $250M$500M

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