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Legally sign documents online with D-Trust (sign-me)

You and your business partners can sign important contracts directly in sproof sign with an existing D-Trust identification.


D-Trust GmbH is a German company specializing in digital identity and trust services. As a subsidiary of Bundesdruckerei GmbH, D-Trust offers various services in the field of electronic signatures, authentication and encryption.

The products and services offered include qualified electronic signatures, seals and time stamps, as well as identity checks and certificates for secure communication and data exchange. These are primarily used to make digital processes and transactions secure and legally binding.

D-Trust is accredited as a trust center in accordance with the requirements of the Digital Signature Act and thus meets the highest security and quality standards for digital signatures and certificates. It works closely with various authorities and companies and is particularly relevant for use in public administration, healthcare, and the finance and insurance industries.

Frequently asked questions

Are signatures created with D-Trust legally valid?

How does the identification for a qualified signature at D-Trust work?

How to sign with the D-Trust in sproof sign?

Can signature recipients also choose other signature providers?

Use your existing qualified signature directly in sproof sign.

Digital Signature 2.0 - Qualified Signing without Borders throughout Europe

sproof has been working intensively on a newly developed interface for qualified signing throughout Europe over the past few weeks. Now the beta version has been officially transferred to the test phase with some important key accounts.

We have integrated the most important signature providers

We continuously update the eID Hub with new providers and authentication methods to make it as easy as possible for you to obtain legally valid digital signatures - at no extra cost.