• Headquartered in Historic Downtown Leesburg, VA
  • socialize IT
  • mobilize IT
  • globalize IT
  • IT Products and Solutions

Who We Are

Strong Castle, Inc. was previously known as Signet Computers, Incorporated. As Signet Computers, Incorporated, the company has successfully delivered programs to the Government since 1994. In February, 2012, Signet Computers transitioned to new ownership and leadership and in October, 2012, the company name was changed to Strong Castle, Inc. With headquarters in historic Leesburg, VA, Strong Castle proudly serves the US Federal, state and local government marketplace. Strong Castle maintains a Top Secret Facility Clearance and holds a GSA IT Schedule 70 # GS-35F-0319Y for IT hardware and services. Our successes this year include providing IT infrastructure and solutions for many Government customers. Though the competitive procurement process, Strong Castle, Inc. continuously offers the best-value, technically superior and innovative solutions to meet our customer’s needs and reduce costs. Strong Castle, Inc. is a member of the SDVOSB Council, the National Veteran-Owned Business Association (NaVOBA), the Greater Washington Hispanic Chamber of Commerce and the Asian American Chamber of Commerce.

What We Do

Strong Castle, Inc. (Strong Castle) offers expert program management consulting services as well as information technology products and professional services. Through its partnerships with trusted name brand manufacturers, Strong Castle is a proven Value Added Reseller (VAR) of Information Technology (IT) hardware, software and accessories. Strong Castle also offers a wide array of IT services including specialties such as SAP, ORACLE, .NET, LINUX, DOCUM, JAVA, COBOL, C, and C++. These services and product offerings are available via Strong Castle’s GSA IT Schedule 70 # GS-35F-0319Y.

Latest News

Department of Veterans Affairs verifies SDVOSB designation

September 24, 2013 - After a thorough review, the Department of Veterans Affairs has confirmed that Strong Castle, Inc. is in compliance with federal regulations and will remain a fully verified Service-Disabled Veteran-Owned Small Business (SDVOSB).

Strong Castle Runner-Up for Veteran Affairs Award at 12th Annual Leesburg Business Awards