Contact Protos
Send us a message and we will reply within 24 hours, typically within minutes. Need security services? Request a quote.
Guarding · Off-Duty · Specialized · Remote
Tell us where you need coverage, what kind, and when. Protos manages security programs across the United States through thousands of vetted local security vendors, so one request can cover a single site or every site you operate.
Armed and unarmed officers
Active and retired law enforcement
Executive protection, events, investigations
Video guarding and monitoring
A security expert will contact you within 24 hours, typically within minutes.
After you send the form:
A security expert reviews your request.
We contact you to confirm scope, schedule and any site requirements.
You get a proposal built around your sites.
Request any Protos service, or describe what you need in the form.
Executive protection, event security, supply chain security and investigations.
Security That Never Settles
Current clients, security companies, job seekers and off-duty officers can reach the right team here.
383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700
383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700
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.
