It all began in 1954, when Walter Hauenstein laid the foundations for the success story of Hauenstein Immobilien AG with his one-man company. By acquiring various properties over the years, he was able to expand the company and make a name for himself in the Lake Thun region. In the 1980s, his son Peter, who had studied law, joined the company and played a key role in ensuring that its excellent reputation continued to spread. Since 2020, the third generation, twin sisters Andrea and Nathalie, have been in charge and are initiating contemporary transformation processes.