perpendo Energie- und
Verfahrenstechnik GmbH

Am Viadukt 3
D-52066 Aachen

Telephone +49 241 412 500 00
Telefax +49 241 412 500 19

Registry court

Aachen County Court
Registry number: HRB 11978

Value-added tax
identification number as per
Article 27 a of the Turnover
(Value-Added) Tax Law:


das design plus
Sabine Schmidt

Auf der Hüls 14
D-52080 Aachen

Telephone +49 241 95 711 95 0
Telefax +49 241 95 711 95 1

Liability link

Authorised representative
executive director:

Dr. Stella Schraps
Michael Zens

Despite careful checks we do not accept any liability for the context of external links. The content of linked pages is solely the responsibility of their operators. We are not liable for up-to-date information, correctness, completeness and quality of the information offered.

Data protection

Our website can generally be used without providing personal information. The user’s Internet protocol (IP) addresses, browser software and operating system types may be recorded on the servers of our hosting provider, 1 & 1 Internet SE.

Contract data processing

We have concluded a contract with 1 & 1 Internet SE for contract data processing and fully implement the strict requirements of the German privacy authorities.


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