MODERN SECURITY THAT NEVER SETTLES.

We dynamically adapt to protect you when, where and how it's needed, nationwide.

PROTOS Promises AN UNWAVERING SECURITY EXPERIENCE.

  • Guarding

    Services
  • Off-Duty

    Services
  • Specialized

    Services
  • Remote

    Services

Greater speed and flexibility

Modern, responsive security fast; when, where and how you need it.

Data-validated billing processes

We only bill what we deliver, backed by 24/7 monitoring.

Continuous improvement program

We never settle; we’re always pushing ourselves to be better.

Always-accountable customer service

You get a single point of contact to coordinate a team of experts.

"

Big Security

"

companies operate using status quo guarding practices with add-on technology to make it look modern, but the results are the same...

  • Slow-to-no customer service
  • Unreliable officer attendance
  • Billing based on time planned instead of time spent
  • Gaps in geographic and situational coverage

We Knew
there had to be
A Better Way
So We Designed

Protos Promise horiz-web

A modern security experience
that never settles.

Guarding Services

Through relationships with thousands of local security vendors, Protos quickly assembles expert teams for any situation or location. And with always-accountable customer service and intuitive dashboards, you get reliability and visibility, no matter how complicated the coverage.

Off‑Duty Services

Protos offers second- to-none coverage through the nation’s largest off-duty law enforcement network. With thousands of off-duty personnel and agencies, we provide expertise when and where you need it, with one point of contact, 24/7 dispatch and ongoing account management.

Remote Services

Whether you need only remote security or you’re adding it to physical security, Protos delivers customized solutions, from installation to monitoring to cameras to alerts. And with our experienced team and a low ratio of staff to accounts, you always get our focused attention.

Specialized Services

With fully customizable end-to-end solutions our team leads the industry in delivering tailored security services that meet the highest standards.

  • Executive protection
  • Investigations
  • High value transport
  • production studio security
  • site assessments and more
01 06

"Big Security"

companies operate using status quo guarding practices with add-on technology to make it look modern, but the results are the same...

  • Slow-to-no customer service
  • Unreliable officer attendance
  • Billing based on time planned instead of time spent
  • Gaps in geographic and situational coverage

We Knew
there had to be
A Better Way
So We Designed

Protos Promise horiz-web

A modern security experience that never settles.

Guarding Services

Through relationships with thousands of local security vendors, Protos quickly assembles expert teams for any situation or location. And with always-accountable customer service and intuitive dashboards, you get reliability and visibility, no matter how complicated the coverage.

Off-Duty Services

Protos offers second- to-none coverage through the nation’s largest off-duty law enforcement network. With thousands of off-duty personnel and agencies, we provide expertise when and where you need it, with one point of contact, 24/7 dispatch and ongoing account management.

Remote
Services

Whether you need only remote security or you’re adding it to physical security, Protos delivers customized solutions, from installation to monitoring to cameras to alerts. And with our experienced team and a low ratio of staff to accounts, you always get our focused attention.

Specialized
Services

With fully customizable end-to-end solutions our team leads the industry in delivering tailored security services that meet the highest standards.

  • Executive protection
  • Investigations
  • High value transport
  • production studio security
  • site assessments and more

Protos is purpose‑built to proactively protect you with integrity and accountability

Modern technology meets security innovation

Our proprietary platform puts improved staffing, vetting, training, visibility, accountability and flexibility at your fingertips.

Unmatched, end‑to‑end transparency

We take responsibility for the safety of your operations, both when it works, and when it needs to improve.

Relentless customer advocacy

We’re relentless about living up to our promises. If issues arise, we will not rest until we make it right.

Local expertise,
agile coverage

We provide reliable, experienced security professionals, where, when and how you need them.

The
Protos Promise
In Action

0 %
Timekeeping
Participation
0 K
ANNUAL
Service Locations
0 K
Annual
Incident Alerts
0 K
Active Vendor
Branch Locations

SOFTWARE-DRIVEN. STAKEHOLDER-FOCUSED.

CONNECTED SECURITY THAT DELIVERS.

Our technology goes hand in hand with our Protos Promise. We developed—and constantly innovate—purpose-built software and tools for real-time visibility, seamless operations and data-driven decision-making.

Real-Time Security Data Capture.

With our proprietary apps, Protos Connect and Protos Select, every detail is logged from the field for reliable, real-time accuracy and accountability.

Combined app
downloads
25 K+
Incident alerts recorded annually
150 K+

Instant Oversight. Anytime. Anywhere.

Protos Client Portal puts security insights, reports and live tracking at your fingertips in an easy-to-use, yet high-powered platform.

Service Request
fulfillment rate
98 %
On-time guard
performance
98 %

Optimized Staffing & Seamless Vendor Collaboration.

Vendors can assign schedules, monitor performance and ensure compliance in real time through Protos Vendor Portal.

Annual Time-keeping
events
4 M+
of U.S. Counties serviced by Protos vendors
98 %

REAL LIFE: REAL DELIVERY ON OUR PROMISES.

The Protos Media Center

Our recent articles show how we put the Protos Promise into action.

Construction sites are vulnerable environments as valuable equipment and materials are often left unattended in open areas, shielded only by fences or minimal surveillance. These conditions make sites easy targets for both opportunistic and calculated theft, not to mention vandalism and, in some cases, protest activity.
Relying on reactive security measures is no longer enough – proactive executive protection is critical to safeguarding lives, assets and reputations. This article explores when it’s time to invest in executive protection services and how to choose the right support.
Protos
Headquarters

383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700

Mark Hjelle

Chief Executive Officer

Mark Hjelle is the CEO of Security Services Holdings, LLC as well as Protos Security and its subsidiaries. Mark is an experienced Chief Executive Officer and Board Member who has led large national business and facilities services firms for nearly 25 years delivering strong top- and bottom-line growth while building high-performing teams with strong culture. Most recently, he was CEO for CSC ServiceWorks, a B2B2C provider of technology-enabled consumer services. Prior to CSC, Mark was President of Brickman/Valleycrest a national provider of exterior landscape and snow removal services. Over the course of his 18-year tenure at Brickman, he held numerous leadership positions in operations, finance and business development. Mark holds a Bachelor of Science degree in Economics from The Wharton School of Business, University of Pennsylvania, a Master of Government Administration from the University of Pennsylvania Fels Institute of Government and a Law Degree from Case Western Reserve School of Law.