History of gepe Gebäudedienste PETERHOFF GmbH
| 1956 | Foundation by Erich Wilhelm Peterhoff as a glass cleaning company |
| 1968 | Participation of Erich Werner Peterhoff |
| 1973 | Opening of the first subsidiary in Aachen |
| 1976 | Erich Werner Peterhoff takes over management |
| 1986 | Beginning of the nationwide opening of sites |
| 1990 -1992 |
Foundation of 5 subsidiaries in the newly formed German federal states |
| 1996 | Certification according to DIN 9001, enlargement of the services range for the catering |
| 1998 | Erich B. Peterhoff joins the business management |
| 2002 | Foundation of the first VAT group |
| 2006 | Foundation of the gepe Sicherheitsdienste Peterhoff GmbH |