Insights

Market Leadership Guardsmark, LLC is a well-established player in the security and investigations industry with a history dating back to 1963, serving a broad client base across multiple countries including the US, Canada, Puerto Rico, the UK, and France. Their extensive experience and geographic reach position them as a key provider, making them a compelling partner for expansion or enhanced service offerings.

Diverse Service Portfolio The company offers a comprehensive suite of security solutions ranging from uniformed guards and asset protection to specialized investigation and consulting services. This diversification suggests opportunities for targeted upselling or cross-selling of tailored security and investigation services to existing clients.

Large Workforce With over 10,000 employees, Guardsmark demonstrates significant operational capacity and the ability to scale security solutions. This large employee base indicates strong resource availability for large-scale security deployments or specialized projects, presenting opportunities to enhance or expand their service contracts.

Financial Scale Reporting revenues between 250 million to 500 million dollars, Guardsmark operates within a substantial financial range, highlighting a significant market presence. This scale suggests potential for premium service partnerships or solutions that address complex security needs of large enterprises.

Innovation & Technology While specific technologies are not detailed, Guardsmark's involvement in facility design and specialized security programs indicates a focus on integrating technical and physical security infrastructure. Exploring innovative security technologies and cybersecurity solutions could unlock new sales opportunities in high-tech security domains.

Guardsmark, LLC Tech Stack

Media & News

Guardsmark, LLC's Email Address Formats

Guardsmark, LLC uses at least 1 format(s):
Guardsmark, LLC 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, LLC's headquarters located?

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Guardsmark, LLC's main headquarters is located at 10 Rockefeller Plaza, 12th Floor, New York, NY 10020-1903, US. The company has employees across 5 continents, including North AmericaEuropeAfrica.

What is Guardsmark, LLC's phone number?

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

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

What is Guardsmark, LLC's NAICS code?

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Guardsmark, LLC's NAICS code is 5616 - Investigation and Security Services.

How many employees does Guardsmark, LLC have currently?

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As of October 2025, Guardsmark, LLC 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, LLC's employee directory with LeadIQ.

What industry does Guardsmark, LLC belong to?

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Guardsmark, LLC operates in the Security and Investigations industry.

What is Guardsmark, LLC's email format?

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

Guardsmark, LLC

Security and InvestigationsUnited 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, New York, NY 10020-1903, US
Phone number
NAICS Code
5616 - Investigation and Security Services
Employees
10001+

Section iconMedia & News

Section iconFunding & Financials

  • $250M$500M

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

Section iconFunding & Financials

  • $250M$500M

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

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