Check ups and services for electronic signatures

Search the Public register

A list of all B-Trust e-signatures: valid, invalid, temporarily suspended and terminated.
Search for an e-signature by a name of an individual or a company, e-mail or serial number. Type with Latin letters. Enter at least three characters.

To search, enter three characters at least.


Verify a digital certificate

Upload an electronic signature export file (in .cer format) to validate the signature. (Bulgarian interface)

Validation of documents

Check up the validity of electronically signed documents. (Bulgarian interface)

The maximum allowed file size is 10MB
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