HIAG Immobilien Holding AG engages in the ownership, management, and redevelopment of real estate properties. It operates through the following segments: Yielding Portfolio, Redevelopment Portfolio, Infrastructure as a Service (IaaS), Services, and Corporate. The Yielding Portfolio segment includes activities in building properties such as architectural and technical planning, construction work, and property management. The Redevelopment segment comprises of site acquisition, control of redevelopment processes, approval procedures, connection to the local infrastructure, portfolio management, and sales activities. The IaaS segment provides cloud infrastructure platform available to cloud service providers through HIAG Data AG. The Services segment comprises of auxiliary activities including management, asset management, and technical administrative management of the pension fund HIAG Pensionskasse; and human resources services rendered to third parties. The Corporate segment refers to the costs of central functions such as finance, and expenditures in connection with the board of directors. The company was founded in 2008 and is headquartered in Basel, Switzerland.