Sign digitaly or electronically – here’s how

For the successful submission of your tender, you need a qualified electronic signature, such as the mobile phone signature from A-Trust, in accordance with the General Terms and Conditions of the Tender. You can find more information under the following links:

Furthermore, you can find trusted European signature providers at this link: eIDAS Dashboard (

Please note, that some signature providers offer different types of electronic signatures, such as a simple or advanced signature. Only the qualified electronic signature fulfils the requirements of Section 48 (12) BVergG 2018.

Further information from