TLS certificates by certification authority

One of the most important parameters when choosing a certification authority is its credibility, quality and brand. When using the TLS protocol, trust is mainly expressed by the existence of a root certificate in operating systems or in web browser repositories. SSLmarket offers the widest range of trusted TLS certificates from the world's best known authorities for each customer.

The activity of a certification authority could be compared to that of a notary in verifying a classic signature. However, there is one fundamental difference - while a notary has to verify every single signature, the certification authority verifies the data for creating a digital signature. There are many certification authorities in the world, including several in the Czech Republic. We offer certificates from the world's most trusted CAs.

DigiCert Certificate authority

The DigiCert certification authority is a leader in innovation and implementation of new technologies. The authority only issues certificates with OV or EV verification. DigiCert certificates are characterized by lightning-fast verification and release. In 2017 DigiCert, Inc. took over the Symantec PKI CA and all child CAs.

Thawte Certificate authority

Thawte is one of the world's best known certification authorities and one of the pioneers of digital certificates. The tradition and quality of Thawte certificates is well known in the world and clients accessing secure sites have greater confidence in the site provider.

GeoTrust Certificate authority

GeoTrust is one of the largest certification authorities in the world. By obtaining a GeoTrust certificate, you can be sure that your clients will not be bothered by any "untrusted" certificate messages that appear mostly on certificates of unknown authorities when accessing your secure pages from different browsers.

RapidSSL Certificate authority

RapidSSL certification authority is a proven leader in cheap TLS certificates. RapidSSL is owned by DigiCert, but acts as a standalone brand on the market that focuses on low-cost certificates. RapidSSL certificates are issued very quickly thanks to simple domain validation (DV).