Protos Celebrates International Security Officers Day

security officer confidently standing with his hands resting on security bollards

For Protos Security, International Security Officers Day, recognized on July 24 each year, is one of the most important days of the year. It’s a chance to recognize the security officers who are working on the front lines, keeping us safe every single day.

Protos Security Announces the Strategic Acquisition of Mulligan Security

Security Services Holdings, LLC (dba Protos Security), the leading tech-enabled security services company in North America, announces that it has acquired Mulligan Security. Protos is a portfolio company of Southfield Capital. Mulligan’s founder and senior leadership team will remain in their existing roles post-close.

Protos Security Celebrates National Entrepreneur’s Day

Protos and Security Resources Founders

The Protos team has plenty to celebrate today with four exceptional founders. Two pairs of friends started two competing businesses that joined forces in 2019. Their combined knowledge – and cumulative 85 years of security experience – has led Protos to become a security industry leader with a network of 4,000+ security vendors.

Protos Security’s Kris Vece Featured on TalkLP.com

TalkLP.com Podcast Hosts Amber Bradley and Dave Thompson launch their first episode in a new series called, “Real Solutions to Real Problems.” This industry is chock full of valuable solution providers that can help us solve real challenges.

Protos
Headquarters

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

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.