S4 Inc. has an abiding commitment to the people and organizations that we support and with whom we work.

Founded in 1999, S4 Inc. is a professional services and consulting firm catering to the US Government, Department of Defense, Department of Homeland Security and private entities. Our employees range from help desk support engineers to research scientists to strategic communicators. And while we have varied skills, we all have the same beliefs and values – values that carry through in everything we do for our clients.

We believe in “clientship” – a deep interest in delivering performance excellence that maximizes the return to internal and external customers, while providing the highest levels of ethics, honesty, integrity and trust.

Our loyalty to employees is paramount and enduring. It requires us to ensure their personal and professional well-being through our respect, the dignity we accord them, and the provision of an environment in which people enjoy what they do.