About Bundesimmobiliengesellschaft
With over 2,000 properties worth more than EUR 18 billion, Bundesimmobiliengesellschaft (BIG) and its subsidiary ARE Austrian Real Estate (ARE) are among the country’s leading real estate companies. BIG’s portfolio comprises universities, schools and specialist properties, whilst ARE’s portfolio consists of office, commercial and residential properties. In total, the group currently employs over 1,200 staff.
As a property developer, the BIG Group is a key driver of Austria’s economy. Every year, BIG invests around EUR 1 billion in new construction, refurbishment, maintenance and the decarbonisation of its existing portfolio. This secures or creates around 9,300 jobs in Austria and provides work for over 2,000 local companies in the construction sector, many of which are regional tradespeople.
The BIG Group is one of the first companies in the sector to have launched a clear investment plan to decarbonise its portfolio, with a total budget of around EUR 2 billion, running until 2040. Key measures include a complete phase-out of fossil fuels, upgrading the building envelope, digitalisation and smart building management, as well as the use of local renewable energy sources in new builds.
BIG ensures the architectural, urban planning and sustainability standards of its construction projects through architectural competitions and has received numerous awards for this commitment. For the past 20 years, the BIG ART initiative has been organising artistic interventions at selected BIG construction projects, particularly at universities and schools, whilst also managing the art collections within the buildings.
The BIG Group in figures
(Annual Report 2025 | BIG Group in accordance with IFRS):
Properties: 2,028
Lettable space: 7.8 million m²
Employees: approx. 1,280
Fair value: EUR 18.9 billion
Total assets: EUR 20.7 billion
Revenue: EUR 1.6 billion