Citadel develops and delivers technology and education solutions to state and federal government departments, and the private sector in Australia. The company operates through Technology and Education segments. The Technology segment sells professional and managed services to government agencies and private enterprises. Its services include strategic advice, program management, acquisition support, and quality assurance services through consulting, contracting, and placement mechanisms; technology and integration services; and software solutions, products, and managed services for digital health, diagnostic laboratories, and clinical applications. The Education segment delivers a range of nationally-accredited business qualifications that enable students to articulate into second year university or to gain practical skills for employment.