Propylon is a privately owned company headquartered in Ireland. It is a subsidiary of RWS Group. Founded in 1999, the company employs approximately 160 individuals. Propylon specializes in providing component content management systems (CCMS) and software tailored for legislatures, government bodies, and regulated industries. It focuses on managing the entire lifecycle of legal, regulatory, and standards content, enabling users to draft in Microsoft Word while maintaining, updating, and publishing structured, modular, and reusable content.