one company – one call – always answered
Founded in 1986 and based in the United States, Vanguard delivers global enterprise and z/OS Security Server solutions.
Vanguard deliberately focuses on the z/OS security, compliance, and audit space, building solutions guided by client feedback and active participation in groups like ISACA and SHARE.
Vanguard maintains independent ownership of our entire software lifecycle—from concept through development—enabling our team to provide immediate, expert 24/7 emergency support with firsthand codebase knowledge.