PrimeSign is an eIDAS Trust Service Provider and a software vendor specialised in electronic signatures and digital identities, providing highly innovative eIDAS services and solutions. Since 2016 PrimeSign is a member of CRYPTAS International, a solution provider in the areas of public key infrastructure (PKI) and strong authentication

SHECA is the very first founded and most experienced operational CAs in China, mainly providing identity authentication and digital signature related products and services.SHECA continuously invests in R&D and enriches the application scenarios, and has been committed to become a leading Trust Service Provider in China and beyond.

ComSign was established in 2003 and is a subsidiary of Comda
COMSIGN is the largest CA in Israel for issuing digital signatures
Approved as a trusted international certificate authority by Microsoft, Adobe, Apple and more
Trusted by the Ministry of Justice as a certificate authority (CA) allowed to issue qualified electronic signatures.

Sectigo is a leading cybersecurity provider of digital identity solutions, including TLS / SSL certificates, DevOps, IoT, and enterprise-grade PKI management, as well as multi-layered web security.  Sectigo partners with organizations of all sizes to deliver automated public and private PKI solutions for securing webservers, user access, connected devices, and applications.

Entrust provides financial institutions, national governments, corporate enterprises and other organisations with technologies to establish trusted identities and conduct highly secure transactions. Examples of the company’s diverse offerings include software and hardware used to issue financial cards, produce e-passports and authenticate users looking to access secure networks or conduct financial transaction

Trans Sped is an EU Qualified Trust Service Provider with more than 15 years experience in the field of digital signatures. Trans Sped offers CSC-compliant digital certificates that are eIDAS Qualified and cross-certified with the SAFE-BioPharma Bridge and the U.S. Federal PKI Bridge. In addition to that, Trans Sped provide qualified time stamps and qualified preservation for digital signatures.