Modus21, LLC

Modus21, LLC is a consulting firm in North Charleston, SC. Since 2004, the company has provided technology services to the U.S. Department of War and prime contractors. Its work centers on Agile Software Development, Cloud Computing, Artificial Intelligence, Systems Integration, Model Based Systems Engineering, Business Process Re-engineering, Cybersecurity, and DevSecOps. The firm supports defense and national security missions, including secure cloud migration, data center modernization, hybrid cloud solutions, applied AI that helps teams extract insights and improve decision-making, and integrated systems planning for complex mission environments. Modus21 also handles process analysis and redesign, and builds security into automated development and deployment pipelines. It holds a rating of 4.40 based on 7 reviews. The company describes itself as a small business based in Charleston, SC, and has supported critical defense missions for over twenty years. Its stated values are disciplined execution, trusted partnerships, and dedication to the mission, with honesty, accountability, and respect guiding its decisions. Modus21 states that it maintains high standards of performance and compliance and is a partner to the Department of War and leading defense contractors. Its team supports programs at NIWC Atlantic and other naval and joint initiatives. The company describes an open forum for communication and collaboration, rewards employees for performance and contributions to client success, and encourages participation in wellness initiatives and company-sponsored functions. It is an Equal Opportunity Employer. The office sits on McMillan Ave. Dry Dock 1 and Dry Dock 2 are each about 0.2 miles away, and the Alliance for Full Acceptance, Charleston Pride, Pier D, and the Old Marine Barracks are all roughly 0.3 miles from the location. Modus21 pairs more than two decades of defense technology work with a positive rating from the customers who have reviewed it, bringing specialized engineering and cybersecurity expertise to missions in North Charleston.