A request for issuing professional electronic signature

  • Type
  • Data
  • Review
  • Payment method and receipt

Term of validity

Storage device

B-Trust email

Your electronic signature contains the e-mail address and it could be used for correspondence. In order to receive and send signed and/or encrypted correspondence, the e-mail should support POP3 and SMTP (S/MIME) protocols, as well as to be used by e-mail client (MS Outlook, MS Outlook Express, Thinderbird, etc.). If you do not have such mailbox, you could register B-Trust e-mail, meeting the above requirements. Annual price: 12 BGN, VAT included.
Your electronic signature contains the e-mail address and it could be used for correspondence. In order to receive and send signed and/or encrypted correspondence, the e-mail should support POP3 and SMTP (S/MIME) protocols, as well as to be used by e-mail client (MS Outlook, MS Outlook Express, Thinderbird, etc.). If you do not have such mailbox, you could register B-Trust e-mail, meeting the above requirements. Annual price: 12 BGN, VAT included.
Total BGN


Qualified certificate for Professional qualified electronic signature is issued to an individual – Holder, who is associated with a Legal entity and certifies the electronic identity of the Holder of the signature and the relationship of the Holder with their public key in the certificate. The professional qualified electronic signature is intended for legal entities: companies, freelancers and sole proprietors. With a professional signature, you cannot represent yourself as an individual.