Insights

Public Sector Focus Leverage decades of government-facing experience and proximity to the DC metro to pursue federal, state, and local security contracts. Strong track record with government agencies positions Master Security for RFPs, staffing, and integrated security programs. Target procurement vehicles, subcontracting with primes, and reference development to win public sector business.

Integrated Security Offering Singular focus on security with breadth across physical security, guards, risk management, and investigations enables cross-selling to private enterprises seeking end-to-end security programs. Propose packaged offerings with SLAs for multi-site deployments, on-site and remote monitoring, incident response, and background checks. Leverage existing client relationships to expand wallet share.

Compliance and Investigations Ability to conduct investigations and support insider threat programs appeals to regulated industries and agencies needing compliance, audits, and secure incident handling. Position services around policy development, training, employee vetting, and incident response integrated with physical security.

Digital Security Capabilities Tech stack signals capability to protect digital assets and public-facing sites, offering managed web security, DDoS protection, vulnerability assessments, and secure configurations for clients with WordPress sites and online portals. Extend offerings to security operations or SOC-style monitoring for critical infrastructure and government contractors.

Mid Market Growth Mid-sized scale and revenue suggest capacity for sizable contracts without competing with mega integrators. Pursue mid-market government and corporate opportunities, expand to adjacent verticals such as healthcare, education, and manufacturing, and partner with larger integrators for subcontracts. Emphasize flexible staffing, local delivery, and scalable programs.

Master Security Tech Stack

Master Security uses 8 technology products and services including Cloudflare, WordPress, Modernizr, and more. Explore Master Security's tech stack below.

  • Cloudflare
    Content Management System
  • WordPress
    Content Management System
  • Modernizr
    Javascript Libraries
  • Underscore.js
    Javascript Libraries
  • HTTP/3
    Web & Portal Technology
  • X-Content-Type-Options
    Web & Portal Technology
  • Google Analytics
    Web Analytics
  • Nginx
    Web Servers

Media & News

Master Security's Email Address Formats

Master Security uses at least 1 format(s):
Master Security Email FormatsExamplePercentage
FLast@mastersecurity.usJDoe@mastersecurity.us
92%
First.Last@mastersecurity.usJohn.Doe@mastersecurity.us
3%
First@mastersecurity.usJohn@mastersecurity.us
3%
LFirst@mastersecurity.usDJohn@mastersecurity.us
2%

Frequently Asked Questions

Where is Master Security's headquarters located?

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Master Security's main headquarters is located at 10946 d Beaver Dam Road Hunt Valley, Maryland 21030 United States. The company has employees across 6 continents, including North AmericaSouth AmericaEurope.

What is Master Security's phone number?

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

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Master Security's official website is mastersecurity.us and has social profiles on LinkedIn.

What is Master Security's NAICS code?

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Master Security's NAICS code is 5616 - Investigation and Security Services.

How many employees does Master Security have currently?

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As of June 2026, Master Security has approximately 499 employees across 6 continents, including North AmericaSouth AmericaEurope. Key team members include Director Of Operations And Training, Government Services Division: J. W.Account Manager: D. C.General Manager: R. C.. Explore Master Security's employee directory with LeadIQ.

What industry does Master Security belong to?

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Master Security operates in the Security and Investigations industry.

What technology does Master Security use?

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Master Security's tech stack includes CloudflareWordPressModernizrUnderscore.jsHTTP/3X-Content-Type-OptionsGoogle AnalyticsNginx.

What is Master Security's email format?

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Master Security's email format typically follows the pattern of FLast@mastersecurity.us. Find more Master Security email formats with LeadIQ.

When was Master Security founded?

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Master Security was founded in 1957.

Master Security

Security and InvestigationsMaryland, United States201-500 Employees

Master Security is a mid-sized security firm based in Hunt Valley, Maryland, specializing in security and investigations. For more than five decades, it has delivered services to state and federal government agencies as well as private sector organizations. The company traces its origins to 1957, when it was founded as Master Detective Agency, and it changed its name to Master Security in 1985 to reflect a broader range of security operations.

Its emphasis on security as the firm's sole business underpins its market positioning, with a history of growth tied to specialization. The organization highlights its experience, commitment, innovation, and reliable follow-through as core determinants of performance. It prioritizes a personalized and responsive management approach intended to support clients in achieving their missions.

Section iconCompany Overview

Headquarters
10946 d Beaver Dam Road Hunt Valley, Maryland 21030 United States
Phone number
NAICS Code
5616 - Investigation and Security Services
Founded
1957
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $50M$100M

    Master Security's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Master Security's revenue is estimated to be in the range of $50M$100M

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