CWS Cleanrooms

Reliable maximum cleanliness in your cleanroom – with the full-service provider CWS Cleanrooms

As a holistic service provider, we develop modular offers and individual concepts for your cleanroom tailored to your needs with comprehensive expertise and great passion. Wherever the highest requirements for cleanrooms exist, CWS Cleanrooms is your reliable partner. No matter where you need us, we are there for you.

With our companies the profi-con Group, based in Leipzig/Graz/Basel/Sofia, and WERO Specialistische Reiniging, based in Eindhoven (both companies of the CWS Group), we use the most professional cleanroom equipment and specially trained staff to ensure worldwide that your cleanroom processes run safely at all times.

We offer cleaning and disinfection in all cleanliness classes of sterile and dust-free production. After new construction, reconstruction, maintenance or product changes, we provide a complete basic cleaning to ensure that your cleanrooms and associated facilities meet the limit values according to EU GMP guidelines and DIN EN ISO14644.

The daily maximum process reliability and highest quality standards are provided by our routine cleaning in a jointly determined cycle. Even with unusual cleaning tasks on complicated and sensitive equipment, we reliably remove contaminations that are not commonplace. And should there ever be an average – we are on hand at short notice with a competent team that will take care of restoring the required purity class. So that your production does not come to a standstill, but is ready to start again straight away!

Learn more about our offer at or feel free to contact us directly at any time.

Passion for solutions


Cleaning Netherlands

Mr. Reno A.J. Meijer

Managing Director

M +31 (0) 6 53 43 40 11

Cleaning Germany

Elmedin Sabljica

Head of Operation Germany

M   +49 173 3989 555

Cleaning International

Matthias Duvernell

Head of Operation International

M   +49 173 289 89 32