Phone e-mail
Main +49 40 450173-0 Webform
Sales +49 40 450173-60 sales at
Support +49 40 450173-61 tsupport at


Our phone numbers, e-mail addresses and forms may NOT be used for promotion purposes.

Do not assume e-mails to work in any case

We are running several strategies to keep the volume of spam-mails reasonable.

Unfortunatelly we cannot competely make sure not to decline real mails. So, please if you get a message about mail-problems, please come back to us by phone / fax or maybe using this form.

We are always answering mails within 24 hours during working days, so please come back to us in case there is no answer within one day.


telos Systementwicklung GmbH
Kaiser-Wilhelm-Strasse 93
20355 Hamburg