At Protos Security we believe in a modern security experience that never settles and dynamically adapts to the evolving needs of businesses. Traditional security models fail to keep pace with today’s risks leaving gaps in coverage, transparency and accountability. That’s why we do things differently. Our Protos Promise delivers unmatched end-to-end security solutions that prioritize proactive protection, real-time visibility and relentless customer advocacy. Whether it’s guarding, off-duty, specialized or remote services, we seamlessly integrate technology and expertise to safeguard your operations. We don’t just fill security needs, we ensure optimal performance through integrity and accountability. With real-time transparency, custom reporting and actual-time billing, our clients always know what’s happening in their security program. By leveraging thousands of local owner/operator security vendors nationwide, plus the largest off-duty law enforcement network, we provide scalable, flexible coverage tailored to unique challenges. Our technology-driven approach enhances staffing, training and incident response, reducing risk and improving efficiency. At Protos we challenge the status quo. We are security that never settles.
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The Protos Security annual revenue was $41 million in 2026.
Mark Hjelle is the CEO of Protos Security.
233 people are employed at Protos Security.
Protos Security is based in Norwalk, Connecticut.
The NAICS codes for Protos Security are [56, 561].
The SIC codes for Protos Security are [73, 738].