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About us

We love ERP!

Offene Systeme Software! develops innovative software for the promotional products industry. With more than 450 customers and many service partners, we are one of the leading software vendors for the trade in the German-speaking region.

Born in the promotional products trade
1996
Customers & service partners
450+
Years of industry experience
30
Hotline – no ticket system
1

Our ambition

Trade profitably with KS1

Our software is tailored to the requirements of the promotional products industry – for distributors and suppliers alike. The entry-level KS1 Economy, the more comprehensive editions Basic, Professional and Enterprise, the product database and the request shop offer many ways to grow your business.

Press

Portrait in PSI Journal 1/2017

Published for our 20th anniversary (German) – click an image to enlarge.

Impressions

Our booth at PSI 2020

KS1 – Profitabel handeln.