Service hotline

From now on you can report faults and repair requests via the app of our new notification system: S1MONE.
Through this app and the scanning of a QR code, you can easily report malfunctions and repairs directly via your phone. The relevant QR code can be found on an S1MONE sticker on the inside of the door frame in your office (for reports concerning your office), or in the general area (for a malfunction / repair in the hallway, pantry, toilets or elevator. You will then be automatically informed of the process.
Click here for the manual to install the app on your smartphone.

All other matters, such as complaints, ideas etc. can be reported to us using the form below.

Field with * are required

Cookie preferences

We use our own and third-party cookies for statistical and marketing purposes to give you the best experience on our website.

You can find more information in our cookie policy

We care about your privacy

You can set your cookie preferences by accepting or rejecting the different cookies described below


Necessary cookies help make a website more usable by enabling basic functions such as page navigation and access to secure areas of the website. The website cannot function properly without these cookies.


Preference cookies allow a website to remember information that changes the way the website behaves or looks, such as your preferred language or the region you are in.


Statistical cookies help website owners understand how visitors interact with websites by collecting and reporting information anonymously.


Marketing cookies are used to track visitors across different websites. The idea is to display ads that are relevant and attractive to the individual user and therefore more valuable to publishers and third-party advertisers.