Briefly presented
Company portrait – Welcome to Klaes

A warm welcome

to the world's leading company for innovative software solutions in window-, door-, and facade business. Over the past 30 years Klaes has grown from a one-man enterprise located in Rosenheim in 1983 into a globally operating business. About 220 employees in 27 countries, 26 languages and more than 7.000 customers in more than 50 countries confirm this progress.

We provide the right solution for companies of all sizes: From straightforward and flexible solutions for component trading to highly integrated and continuous ERP solutions for industrial production. Due to the unique collaboration with their suppliers we are able to provide our customers with an exceptional service.

LIGNA 2015
Bau 2015
One Day at Klaes

Watch the entire clip with Klaes software solutions here.

Everything we do allows our customers to benefit from clear competitive advantages.

Klaes 3D fascinates in Dubai

Successful Windows Doors & Facades 2017


V 7.11 at the Start

Latest Klaes-Version Available in German and English


Windows and Doors from Alabama

Kömmerling uses Klaes in the USA at the Huntsville location