Based in Baden, Switzerland, COS Group employs approximately 700 people at a total of 20 sites in Switzerland, Germany, Austria, France and Great Britain. In 2002 it achieved a consolidated group turnover of CHF 1,05 billion. The company is engaged in the following three sectors:
Distribution 
COS is one of the leading distributors of peripherals, hardware components and special memory chips in German-speaking Europe. As a distribution partner of leading manufacturers COS Group has a highly efficient logistical infrastructure. COS serves the specialist trade only.
Systems Integration
COS is one of the leading providers of package solutions for computer equipment procurement in German-speaking Europe. Its services range from consultancy and evaluation concerning procurement, systems integration, finance, administration and ongoing updating to remarketing of used equipment. COS services cover the whole hardware field from mainframe computers through midrange appliances to PC servers and related peripherals.
Remarketing
Remarketing COS is one of the pioneers in the field of marketing used PCs and computer peripherals via the Internet. The group intends to work through strategic partnerships and shares with operators of Internet portals to gain new channels of sale in the main European markets and use them for its distribution business too.

http://www.cosgroup.com/