Insights

Enterprise Security Footprint Guardsmark serves a large mid to enterprise segment with 1001-5000 employees and a diverse service portfolio including uniformed officers, investigations, consulting, and physical/technical security design, presenting cross-sell opportunities across multiple security disciplines.

Geographic Reach & Expansion With offices in the US, Canada, Puerto Rico, the United Kingdom, and France, Guardsmark has a multinational footprint that can benefit from regional security programs, standardized offerings, and global account management to win multinational client contracts.

Comprehensive Protective Services Capabilities span executive protection, emergency operations, white-collar crime programs, and computer crime programs, enabling upsell into high-risk accounts seeking integrated security solutions and risk management advisory services.

Technology Enablement Reliance on Microsoft 365 and Office 365 suggests readiness for cloud-based collaboration and document management; opportunities exist to introduce client-facing security dashboards, incident reporting portals, and secure information sharing for investigations and risk assessments.

Financial Scale & Growth Revenue in the $250M–$500M range indicates a sizable, stable business with disposable capacity for expanded security programs, managed services, and long-term contracts, making it a strong target for multi-year service engagements and upsell to broader security platforms.

Similar companies to Guardsmark

Guardsmark Tech Stack

Guardsmark uses 2 technology products and services including Microsoft 365, Office 365, and more. Explore Guardsmark's tech stack below.

Guardsmark's Email Address Formats

Guardsmark uses at least 4 email formats:
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

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.

How much revenue does Guardsmark generate?

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As of October 2026, Guardsmark's annual revenue is estimated to be $250M - $500M.

What is Guardsmark's SIC code and NAICS code?

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

How many employees does Guardsmark have currently?

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As of October 2026, Guardsmark has approximately 1.3K employees across 5 continents, including North America, Europe and Asia. Key team members include Chief Security Officer: R. W., Owner: D. D. and My Own Boss: P. N. 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 technology does Guardsmark use?

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Guardsmark's tech stack includes Microsoft 365 and Office 365.

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 logo

Guardsmark

Security and InvestigationsNew York, United States1001-5000 Employees

Guardsmark, LLC operates in the security and investigations sector, offering a broad set of services to safeguard people and assets. Its offerings include uniformed security officers, asset protection, investigations (including undercover work), safety and security program consulting, and background screening. The company also designs security facilities and provides specialized programs such as executive protection, emergency operations planning, and white-collar and computer crime programs. 

Founded in 1963 and based in New York City, Guardsmark maintains additional offices across the United States, Canada, Puerto Rico, the United Kingdom, and France. Its target market comprises organizations seeking comprehensive risk management and protection for physical premises and related operations, with capabilities spanning day-to-day security delivery and strategic security program development.

Section iconCompany Overview

Phone number
SIC Code
7381 - Detective, Guard, and Armored Car Services
NAICS Code
5616 - Investigation and Security Services
Employees
1001-5000

Section iconFunding & Financials

  • $250M - $500M

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

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