About Shergroup USA Security

Professional security services delivering integrated protection solutions across the United States

Retail Mall Security Guard Team Standing. Shop Or Store Protection

Who We Are

Shergroup USA Security is a professional security services provider delivering integrated protection solutions across the United States.

We specialize in safeguarding people, property, assets, and operations through highly trained personnel, proven operational procedures, and tailored security strategies. Our approach is built on integrity, experience, and accountability.

Shergroup USA works with government institutions, commercial enterprises, educational facilities, healthcare providers, hospitality venues, residential communities, and event organizers. We understand that every environment presents unique risks, which is why our security solutions are designed to meet the specific needs of each client.

Our teams are selected, trained, and managed to the highest professional standards, ensuring reliable protection, clear communication, and consistent performance. From static guarding and mobile patrols to advanced technology and K-9 services, Shergroup USA delivers security you can trust.

Meet the Executive Team

Paul Hammond - Managing Partner

Paul Hammond

Managing Partner
Paul Hammond is a highly accomplished Security Operations Executive and Managing Partner with more than 30 years of experience leading, scaling, and delivering complex security programs across government, commercial, and high-risk environments. His expertise spans Security Operations, K9 Deployment and Program Management, Insider Threat Mitigation, Counterintelligence, Executive and Personnel Protection, and Enterprise Risk Management. Paul brings over two decades of operational deployments in hostile and austere regions worldwide, supporting major U.S. and British government programs throughout Northern Ireland, Iraq, and Afghanistan.

This extensive field experience has shaped his disciplined, results-driven approach to building resilient security operations and mission-ready teams. A former member of the British Army's elite Parachute Regiment, Paul is recognized as a global security leader with a proven track record in planning and executing large-scale security operations, counter-terrorism initiatives, and government services contracts.

His leadership portfolio includes strategic security planning, advanced risk assessment, K9 unit development and deployment, crisis response, and multi-jurisdictional program management. Paul's career reflects a consistent commitment to operational excellence, innovation, and the highest standards of security professionalism, delivering trusted protection solutions for organizations operating in today's most complex threat environments.

John Johnston - Managing Partner

John Johnston

Managing Partner
John Johnson is a highly respected Security Operations Leader and Managing Partner with more than 20 years of military service and over 18 years of experience supporting U.S. Government and private-sector security programs. His career reflects deep operational expertise across special operations, global security missions, and complex contracting environments.

During his distinguished military career, John served with the U.S. Army's 3rd and 5th Special Forces Groups, culminating in a senior assignment at U.S. Special Operations Command Central (SOCCENT) headquarters at MacDill Air Force Base in Florida. His service included operational deployments in support of national security objectives and coalition missions.

A Gulf War veteran, John has been recognized for exceptional leadership, service, and valor, earning honors including the Legion of Merit, Bronze Star Medal, Meritorious Service Medal, and the Department of State Superior Honor Award. John brings a strong blend of strategic leadership, operational execution, program management, and training expertise. His proven ability to build high-performing teams and deliver mission-critical security operations makes him a key driver of operational excellence and client success.

Enrique Sierra - Managing Partner

Enrique Sierra

Managing Partner
Enrique Sierra is a seasoned Business Operations Executive and Managing Partner with more than 25 years of experience driving performance improvement, strategic transformation, and scalable growth across global organizations in both the private sector and regulated industries. His expertise spans strategic modeling, operational analytics, process engineering, and the implementation of ROI-driven solutions that enhance efficiency, accountability, and enterprise performance.

Throughout his career, Enrique has held leadership and transformation roles with Fortune 500 and multinational companies including Hewlett-Packard, Levi Strauss & Co., Praxair, Johnson Controls, Ashland Chemical, HBO Entertainment, Newmont Mining, SGS Compliance Services, and Grupo Minero Mexico.

He is recognized as an action-oriented leader and tactical implementer who excels at mobilizing cross-functional and multicultural teams to deliver complex initiatives on time and with measurable results. His core competencies include strategic and financial planning, project and change management, IT systems implementation, operational auditing, compliance, and continuous improvement. He also brings deep experience in global standards and regulatory frameworks, including ISO-9000, ISO-14000, and OHSAS 18000, strengthening the firm's operational discipline and risk management capabilities.

Enrique's extensive international network of executives, investors, entrepreneurs, and technical specialists further enhances Shergroup's ability to source expertise, execute efficiently, and scale intelligently across markets.

Our Core Values

The principles that guide every decision we make and every service we deliver

Integrity

We operate with transparency, honesty, and ethical standards in every aspect of our work, building trust with clients and communities.

Experience

Our team brings years of proven operational experience across diverse security environments and challenging situations.

Accountability

We take full responsibility for our performance and continuously strive to exceed expectations in protecting what matters most.

Professionalism

Our personnel maintain the highest standards of appearance, conduct, and communication in every client interaction.

Customization

Every security solution is tailored to address the unique risks and requirements of each client environment.

Reliability

24/7 availability with consistent, dependable service ensures your security needs are always met, day or night.

Ready to Protect What Matters Most?

Partner with Shergroup USA Security for professional protection solutions tailored to your specific needs.