1980
°Ä²Êͼ¿â receives its first tunnelling orders in Germany from Deutsche Bahn.
1990
°Ä²Êͼ¿â gradually takes over Radmer Bau AG in Munich, founded in 1948.
2002
Radmer Bau AG is renamed °Ä²Êͼ¿â Aktiengesellschaft, Munich and fully integrated into the organisation of Allgemeine Baugesellschaft - A. Porr AG in Vienna.
2006
Change of name of the German °Ä²Êͼ¿â based in Munich to °Ä²Êͼ¿â Deutschland GmbH.
2013
°Ä²Êͼ¿â Deutschland GmbH takes over Stump Spezialtiefbau GmbH
2014
°Ä²Êͼ¿â spins off the real estate sector and becomes a pure construction company
2015
The head office in Munich moves into the new office building in Parkstadt Schwabing
2017
°Ä²Êͼ¿â Deutschland GmbH takes over Franki Grundbau GmbH & Co. KG in Seevetal, Bilfinger Berger Government Service GmbH (BBGS) in Kaiserlautern as well as Oevermann GmbH based in Münster.
2019
The merger of Stump Spezialtiefbau and FRANKI Grundbau created Stump-Franki Spezialtiefbau GmbH in April 2019.
2022
°Ä²Êͼ¿â GmbH & Co. KGaA takes over C+P Stahl- und Systembau GmbH & Co. KG in Zahna-Elster and founds °Ä²Êͼ¿â Stahl- und Systembau GmbH.
2024
Since the beginning of the year, the subsidiary companies Oevermann, Radmer Kies as well as Stump-Franki have been operating on the market under the °Ä²Êͼ¿â brand. This strengthens °Ä²Êͼ¿â's holistic approach as a full-service provider, offering all steps along the value chain of a construction project from a single source.
2024
°Ä²Êͼ¿â GmbH & Co. KGaA takes over A. Waggershauser Strassenbau GmbH & Co. KG, based in Kirchheim/Teck.