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SOS Security, founded in 1969, established itself as a prominent provider of comprehensive security solutions, including manned guarding, executive protection, and security consulting. Known for its client-centric approach and highly trained personnel, SOS Security served a diverse range of industries. In late 2019, Allied Universal, a global leader in security and facility services, announced the acquisition of SOS Security, with the deal finalized in early 2020. This move significantly expanded Allied Universal's portfolio and international presence. SOS Security's operations and expertise have since been integrated into Allied Universal, strengthening its capabilities in providing best-in-class security services worldwide.
Served as the corporate headquarters, overseeing strategic planning, operations management, client relations, and administrative functions for its security services.
The Parsippany headquarters housed key administrative, operational, and training support functions. Specific architectural details for security firm HQs are typically not widely publicized for security reasons.
SOS Security was known for a culture emphasizing professionalism, vigilance, integrity, and customer service. It focused on providing highly trained security personnel and responsive service.
The Parsippany headquarters was the command and control center for SOS Security during its decades of operation and growth into a significant national and international security provider before its acquisition.
Prior to its acquisition by Allied Universal, SOS Security had established an international presence with offices and operations in North America, and a growing footprint in Europe, the Middle East, and Asia. They provided a range of security services globally, including uniformed guarding, executive protection, risk assessments, and security consulting. This global infrastructure and expertise have been absorbed and significantly expanded under Allied Universal's extensive international network, which now serves clients in numerous countries worldwide.
1915 Us Highway 46
Parsippany
New Jersey
USA
Address: Historical office. Specific street address details are now part of Allied Universal's UK operations network.
Served as a key hub for SOS Security's international expansion and operations in the UK and Europe, catering to multinational corporations and high-net-worth individuals. All former SOS Security offices are now integrated into Allied Universal's global network.
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As of April 2025, SOS Security' leadership includes:
SOS Security has been backed by several prominent investors over the years, including:
SOS Security was acquired by Allied Universal, with the deal finalized in early 2020. Consequently, there have been no executive hires or exits for SOS Security as an independent entity in the last 12 months. Significant leadership transitions occurred around the time of the acquisition as SOS Security's leadership and operations were integrated into Allied Universal.
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Prior to its acquisition by Allied Universal, SOS Security likely utilized standard corporate email formats such as [first_initial][last]@sossecurity.com or [first].[last]@sossecurity.com. Since the acquisition, communications and email addresses have transitioned to Allied Universal's domain (aus.com).
[first_initial][last]@sossecurity.com (historical format)
Format
esilverman@sossecurity.com (example of a historical format for the former CEO)
Example
0 (The @sossecurity.com domain is no longer independently active for email services following the acquisition; current communications use Allied Universal's @aus.com domain, which would have a high success rate, e.g., 90%)%
Success rate
PR Newswire • October 14, 2019
Allied Universal announced the signing of a definitive agreement to acquire SOS Security, a leading U.S.-based security company with a significant international presence. This strategic acquisition aimed to enhance Allied Universal's service offerings and expand its global reach by integrating SOS Security's specialized services, expertise, and experienced personnel. The deal was completed in early 2020....more
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