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Klaes

The software solution for the window, door, façade and conservatory industry. 

Klaes Software für Planung, Kalkulation und Produktion im Fensterbau
Klaes Software für 3D-Konstruktion im Fassaden- und Wintergartenbau

One software solution for all processes

Klaes digitizes processes in the window industry, window and door manufacturing, as well as façade and conservatory construction. The software supports every step from quotation and calculation through design to production and delivery.

A key feature of Klaes is the seamless integration of commercial and technical processes within a single system environment. This ensures that all departments work from a consistent data base – from planning and work preparation through to production.

Klaes combines ERP functionalities, design capabilities and manufacturing processes in one integrated solution, enabling end-to-end management of projects in the building elements industry.

Particularly for complex structures such as façades and conservatories, Klaes enables precise design and reliable planning. Flexible modules and extensive customization options make the solution suitable for both small workshops and large industrial manufacturers.

Powering the business
powering the future

“Combining high-quality products with innovative services and solutions is what creates outstanding customer satisfaction. Klaes solutions help us achieve the best possible results for our customers every day.”

Frank Lehmich
Das Bild zeigt Frank Lehmich von der Oberlahn-Fenster Otto Blecher GmbH

“Production is the heart of our company. With Klaes software solutions, our business processes – from quotation to invoicing – are optimally mapped.”

Manfred Tenkamp
Das Bild zeigt Manfred Tenkamp von der OLIVA GmbH - Fenster & Türen

“For many years, Klaes has supported us in our digitalization journey. Today, we manage all our processes with Klaes – from order processing through planning and procurement to production and logistics.”

Florian Jehle
Das Bild zeigt Florian Jehle von der Sebnitzer Fensterbau GmbH

Functions along your value chain

40+
years of industry experience
7,600
customers worldwide
50+
countries
28
language versions

Your benefits with Klaes

See Klaes in action

Learn how Klaes helps digitize and streamline your processes in window, door, façade and conservatory manufacturing.