| 1987 | Incorporation of COMPAREX Informationssysteme GmbH as a joint venture between BASF AG and Siemens AG |
| 1991 | COMPAREX becomes a wholly owned subsidiary of BASF AG |
| 1996 | Persetel Holdings of South Africa acquires 40% of COMPAREX |
| 1997 | Persetel acquires Q Data and changes its name to PQ Holdings |
| 1998 | PQ Holding acquires a 75% share in CIS. PQ Holdings is renamed COMPAREX Holdings |
| 1999 | COMPAREX Holdings increases its shareholding in COMPAREX to 75% and Persetel is renamed CHL |
| 2000 | COMPAREX repositions as a systems integrator and concludes strategic partnerships with EMC, Sun Microsystems and Compaq |
| 2002 | A management consortium buys COMPAREX from Comparex Holdings, and Comparex concludes strategic partnerships with Hewlett-Packard and IBM and renews its partnerships with EMC and Sun Microsystems |
| 2004 | Transformation into COMPAREX Deutschland GmbH as Holdings Company |
| 2006 | Network Integration Solutions through co-operation with Huawei-3COM |
| 1970 | Zentrale Speichersysteme |
| 1980 | IBM-kompatible Großrechnersysteme |
| 1982 | Zentrale Drucksysteme |
| 1988 | Automatische Bandarchivsysteme für zentrales Backup |
| 1992 | Optische Verkabelungsinfrastrukturen mit ESCON |
| 1993 | Erweiterung der Geschäftsfelder um Dienstleistungen |
| 1995 | Aufbau eines hochverfügbaren Backup- und Ausweichrechenzentrums |
| 1996 | Zentrale multiplattform RAID-Speichersysteme |
| 1997 | Zentrale Windows-Systeme |
| 1998 | Server-based Computing, Heterogene Speichernetzwerke auf Basis von Fibre Channel (SAN) |
| 2000 | Zentrale Rechnerarchitekturen auf UNIX Betriebssystemen, Network Attached Storage (NAS) |
| 2001 | Directory Services, Web- und Portal-Services |
| 2002 | E-Mail-Archivierung, Streaming Media |
| 2004 | Umfirmierung in COMPAREX Austria GmbH |
| 2006 | Netzwerkintegration - Produkte und Lösungen |
| 2007 | Übernahme der COMPAREX Austria GmbH durch die PC-Ware Information Technologies AG |