1984Taking-up of self-employed activities by Mr. Walter W. Rossing, company founder and owner of the ROSCO Group, in Munich
1989Foundation of ROSCO in Munich
1990In addition to the existing areas of work, activities in the territory of the former GDR are taken up, where also numerous projects are successfully managed and realized in the following years
1994Opening of an office in Bad Hersfeld
1999Transfer of ROSCO´s company headquarters from Munich to Bad Hersfeld. The company's new headquarters are located: Am Kurpark 33b in Bad Hersfeld;
The office in Munich is maintained.
Foundation of the ROSCO Planungs- und Marketing GmbH. Managing director and partner is Mr. Dennis S. Rossing. Later the company changes its name to ROSCO Planungs- und Development GmbH & Co. KG.
Furthermore the first big project partnership with a well-known German group is established. The METROS Gesellschaft zur Entwicklung moderner Bürogebäude mbH is founded by the partners.
2000The ROSCO Centermanagement und Immobilienverwaltung GmbH is founded. Managing directors are Mr. Walter W. Rossing and Mr. Ruediger W. Pinno.
2001The ROSCO Baumanagement GmbH is founded. The company essentially manages the construction of the ROSCO projects.
2009The ROSCO GmbH & Co. Cityhäuser KG is founded. The core business of this company is the revitalisation and development of commercial buildings at central locations.
2011ROSCO enters into a significant joint venture for the purposes of cooperation in the German speaking areas, with a foreign property investor who is working internationally.
2012Expansion of the management to altogether seven managing directors


In almost 25 years of company history ROSCO has successfully developed, built and started to operate numerous projects – shopping center, commercial buildings, neighborhood center, retail parks and office buildings. You will find a small selection here.