DPS provides a broad range of services and products to support the functioning of the Australian Parliament and the work of parliamentarians. Working in collaboration with the other parliamentary departments, DPS provides or facilitates the following:

• library and research services
• information and communication technology products and services to the Parliament across the nation
• protective security services
• building and grounds management
• audio visual services and Hansard
• art collection and exhibition services
• furniture and asset management services
• visitor services and The Parliament Shop
• catering and event management
• management of licenced retail, health, banking, and childcare services, and
• corporate, administrative and strategic services for DPS.