3SI Immogroup

3SI Immogroup is a Viennese family business that has been in existence for three generations and specializes in the revitalization and development of apartment buildings and the high-quality conversion of attics. In addition to the renovation of historic structures, 3SI Immogroup has also been actively contributing to sustainable housing creation in the new construction segment as a property developer for years.

The family-owned company, headquartered at Tegtthoffstrasse 7 between the Opera and the Albertina, currently holds over 100 apartment buildings with a total area of more than 120,000 square meters in its portfolio. With sixty employees and annual investments in a three-digit million range, 3SI Immogroup is one of the leading project developers in Vienna and Graz.

Herewith you can stay up to date about current projects of 3SI Immogroup.