Klaes - world’s leading company for innovative software solutions in the window-, door-, façade- and conservatory business. Over the past 40 years, the one-man business from germany has grown into a globally operating company. More than 7.600 customers in more than 50 countries are working with our innovative software solutions made in Germany.

Our tailor made solutions lead to improvements for companies of all sizes. From manageable and flexible solutions for component traders to highly integrated and continuous ERP solutions for the industrial production windows, doors, facades and conservatories.

Permanent software development, a high level of quality management, the expert knowledge of our 285 employees, a great support and the unique cooperation with the supplier industry offer you a user experience on a whole new level.