What are the top 10 security companies in the US?

Written by Editorial Team | Last Updated: August 2026

The United States private security sector features several massive multinational corporations and specialized contractors dominating the industry. Prominent market leaders consistently ranking at the top include Securitas, Allied Universal, G4S (integrated into Allied Universal), Pinkerton, Prosegur, GardaWorld, ADT Commercial (Securitas Technology), Brink's, Transdev, and various specialized regional protective service agencies providing manned guarding and electronic security solutions.

Related FAQs

Securitas operates as a massive multinational private security services employer characterized by high-volume hiring, decentralized local branch management, and a massive global workforce numbering in the hundreds of thousands.

Most armed security guards predominantly carry semi-automatic handguns manufactured by Glock, most notably the Glock 17, Glock 19, or Glock 22, depending on regional preferences and agency regulations.

Getting hired at Securitas is generally considered quite accessible compared to many corporate or specialized sectors, primarily because the company maintains a massive and continuous need for security personnel globally.

Securitas AB maintains its primary global corporate headquarters in Stockholm, Sweden.

No, Securitas is not a Mexican company. Securitas AB is a multinational security services organization that originated in and is headquartered in Stockholm, Sweden.

Allied Universal stands as the largest security and facility services company operating within the United States, commanding a massive workforce and an extensive network of regional branches across all fifty states.

Working at Securitas is often viewed as a mixed experience depending heavily on personal career objectives, local branch leadership, and specific site assignments.

Getting hired at Securitas is generally considered straightforward compared to many other corporate or specialized security sectors, primarily because the company maintains a massive, continuous need for security personnel across various global marke...

Numerous legal, criminal, and personal factors can disqualify an individual from obtaining a security guard license or employment.

Securitas AB is a publicly traded multinational corporation listed on the Nasdaq Stockholm exchange, meaning it is collectively owned by its diverse public shareholders rather than a single individual or private entity.

Yes, Securitas is a legitimate, highly prominent multinational security services organization operating on a global scale across dozens of countries worldwide.

Yes, Securitas is legally required in most jurisdictions to compensate new hires for mandatory pre-assignment training hours, orientation modules, and site-specific instructions.

Payroll frequency at Securitas varies depending on the country, state regulations, and regional branch administrative policies.

Yes, like many major employers within the private security and guard services industry, Securitas experiences relatively high employee turnover rates.

Comparing Securitas and Allied Universal depends largely on individual employee experiences, geographic branch management, and specific client site assignments.

Securitas AB can be contacted directly through its global corporate headquarters located at Lindhagensplan 70 in Stockholm, Sweden, by calling the main corporate telephone switchboard at +46 10 470 3000, or by submitting inquiries via the official co...

Requirements for a security license depend heavily on regional laws and state or municipal regulations where the employee is deployed.

Yes, Securitas utilizes ADP payroll and human capital management software services across many of its regional administrative branches and national subsidiaries to handle high-volume employee onboarding, wage processing, tax filings, and electronic p...

Securitas security guards are responsible for protecting client properties, assets, employees, and visitors by maintaining visible deterrence, monitoring access control points, conducting routine mobile patrols, inspecting surveillance camera feeds, ...

Securitas' primary and largest global competitor in the private security services industry is Allied Universal, a massive multinational security and facility services company.

Monthly earnings at Securitas vary widely based on geographic location, local cost-of-living adjustments, shift differentials, and whether the position is part-time or full-time.

Yes, former employees can often be eligible for rehire at Securitas, provided their departure from the company occurred under favorable circumstances.

Paid Time Off (PTO) and vacation accruals at Securitas vary considerably based on geographic location, local labor laws, employment status, and individual tenure.

Securitas AB is a prominent multinational security services organization that originated in and is headquartered in Stockholm, Sweden.

Securitas is not universally unionized across all of its operations, but certain branches, regional offices, or specific client sites are unionized depending on local labor laws, state regulations, and collective bargaining agreements.