A warm welcome

to the world's leading company for innovative software solutions in window-, door-, and facade business.

Over the past 27 years Klaes has grown from a one-man enterprise located in Rosenheim in 1983 into a globally operating business.

About 190 employees in 27 countries, 25 languages and more than 6.500 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.

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

Klaes World Logo

1500 terrace roofs

“Heim&Haus” now steers a Elumatec SBZ with Klaes 3D and EluCad. The Company produces with own alu systems about 1500 terrace roofs a year.

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Bushfire proof windows

An Australian specialist in window construction works with Klaes professional and e-control now. Two brothers were three weeks on training in Ahrweiler.

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Version 7.3 ready to deliver

The annual update Version 7.3 is ready. In a pre-delivery stage the version has been installed in more than 20 companies and the software test checked in real time.

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