
Grid Square Holdings LLC is an SBA‑certified Service‑Disabled Veteran‑Owned Small Business focused on federal cyber and IT services.
The company helps agencies and prime contractors secure critical systems and data through expertise in Risk Management Framework (RMF), Defensive Cyberspace Operations (DCO), Security Operations Center (SOC) support, vulnerability management, and system administration.

Grid Square Holdings exists to strengthen federal missions by delivering practical, standards‑based cyber and IT services that improve readiness, resilience, and compliance.
The company works as a collaborative partner to agencies, contracting officers, primes, and other small businesses—bringing clear communication, disciplined execution, and measurable security outcomes to every engagement.

Grid Square Holdings is led by Marcus Byrd, CISSP, a cybersecurity professional with more than 15 years of IT experience and over a decade in Information Assurance Management.
His background includes TS/SCI‑level work supporting Missile Defense Agency and U.S. Army cyber missions, with hands‑on experience in RMF implementation, DCO, SIEM engineering, vulnerability management (ACAS/Nessus), and eMASS‑based authorization packages.
This depth of operational experience shapes Grid Square’s practical, mission‑driven approach to federal cyber and IT services.

Our vision is to be the leading provider of innovative government services that transform the way our clients do business. We aim to set the standard for excellence in our industry and inspire others to follow in our footsteps.

Our team is composed of dedicated professionals with diverse backgrounds and skill sets. We value diversity, creativity, and collaboration, and we strive to create a work environment that fosters growth and development.

We offer a wide range of government services, from consulting and project management to technology solutions and training. Our solutions are tailored to meet the unique needs of each client, and we work closely with them to ensure their success.

At Grid Square Holdings LLC, we measure our success not just by our bottom line, but by the positive impact we have on our clients, our employees, and our community. We are proud to have made a difference in the lives of so many people, and we look forward to doing even more in the future.





