Investigative Services for Corporate Fraud Prevention

Corporate fraud, also known as occupational fraud, can be devastating for both large and small businesses, causing extensive damages to profit, performance, and reputation. Organizations victimized by corporate fraud can expect to suffer financial loss, company value reductions, and reputational damage, among other serious consequences. Studies indicate that occupational fraud can affect any organization, regardless […]

Top Security Risks Businesses Miss Without Regular Security Assessments

Security threats are becoming more sophisticated, and businesses that do not adapt their strategies and practices are leaving themselves vulnerable to incidents that could have easily been avoided. Organizations typically use a combination of technologies, personnel, and procedures, but overlook the potential risks embedded in them. In addition, if unaddressed, these risks could lead to […]

Emergency Security During Civil Unrest: Protecting People, Property, and Operations

Periods of civil unrest can present a number of challenges to businesses of all sizes. Protests, public disorder, riots, and security threats can put employees and assets at risk, while also creating disruptions to the normal course of operations. While any company can manage day-to-day security matters, emergency situations often require a higher degree of […]

Financial Institution Security: Cash Handling, Access Control, and Fraud Response

Cash-intensive environments within financial institutions require constant oversight to reduce exposure to theft, error, and internal risk. Branches, teller lines, and cash storage areas operate on strict procedures that must be reinforced in real time. Security personnel play a critical role by maintaining visibility over cash movement, supporting dual-control protocols, and ensuring that handling processes […]

Traffic Control Services: Managing Flow, Safety, and Operational Efficiency

Effective traffic management begins with structured coordination of both vehicle and pedestrian movement. Whether supporting large-scale events, construction zones, or facility operations, controlled flow reduces congestion and minimizes safety risks. Properly positioned personnel ensure that vehicles enter, exit, and circulate in an orderly manner while pedestrians are guided along safe, designated paths. We apply law […]

Executive Protection Advance Work: Essential Strategies for Client Safety

executive-protection

The most critical part of executive protection happens long before the executive ever arrives at a location. Known as “advance work,” this behind-the-scenes process is the foundation of every successful protection operation. It involves careful planning, risk assessment, and proactive coordination to ensure the client’s safety, efficiency, and discretion. By identifying potential hazards, preparing contingencies, […]

Executive Protection Planning for Board Meetings and Shareholder Events

Board meetings and shareholder events are high-stakes by design. Sensitive financial data is discussed, leadership decisions are scrutinized, and emotions can run high – especially during earnings seasons, mergers, restructures, or leadership transitions. These moments place executives and board members in a uniquely exposed position, making thoughtful security planning not just prudent, but essential. Executive […]

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.