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Certum SSL Certificates

Established in 1998, Certum was the first public key certification authority in Europe and the first Polish CA to receive the WebTrust Seal. As one of the largest CAs in Europe, its globally trusted SSL certificates are welcomed by many leading enterprises around the world. Certum provides DV, OV and EV SSL certificates, with single domain, multi-domain and wildcard options available. All Certum certificates are recognized by mainstream browsers, and offer a safety warranty of up to 1 million euros as well as a free Certum seal, greatly improving website security.

Certum SSL Certificates Certum SSL Certificates

Best-selling GeoTrust SSL Certificates

GeoTrust SSL Certificates


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SSL Type Certum Premium EV SSL Certum Trusted Wildcard OV SSL Certum Trusted OV SSL Certum Commercial DV SSL Certum Commercial Wildcard DV SSL
Domain included 1 1 main domain and all first-level subdomains 1 1 1 main domain and all first-level subdomains
Validity 1 year 1 year 1 year 1 year 1 year
Validation Extended Organization Organization Domain Domain
Cryptographic algorithm 2048 to 4096 bit RSA keys, SHA128/256
Green address bar
Issuance 1-7 days 1-2 days 1-2 days 1 hour 1 hour
Unlimited servers
Free technical support
Compatible with all mainstream browsers
Certum seal
Warranty $1,000,000 $400,000 $400,000 $200,000 $200,000
Certificate Purchase Buy Now Buy Now Buy Now Buy Now Buy Now
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About Certum

On December 15th 1998, Certum Certification Authority was opened. It was the first public key certificate authority in Europe and its mission is to provide modern and safe certification services. In 2002, Certum was included on the worldwide list of trusted certification authorities (CA) and acquired WebTrust Seals for all services related to e-Signature. With over 20 years of experience, Certum now provides SSL certificates and code signing certificates to customers in 50+ countries, including large enterprises, banks, e-commerce and public institutions.

Why Choose Certum

Market Leader in Poland

Certum is the first CA in Poland and one of the largest CAs in Europe, and has held the WebTrust Seal of Assurance.

Diverse Products

Certum offers a full range of SSL certificates (DV, OV, EV), with single domain, multi-domain (up to 10 domains) and wildcard options available.

High Security

Certum certificates offer the highest level of security, secured with SHA256 and 2048 to 4096 bit RSA keys.

Certum Seal

After obtaining a Certum SSL certificate, you can add the prestigious Certum seal to your website.

High Compatibility

Certum SSL certificates are recognized by all mainstream browsers, devices and operating systems.

Global Recognition

With its advanced technology and brand awareness, Certum provides security services to customers in over 50 countries, including large enterprises, banks, e-commerce and public institutions.

SSL Certificate Monitoring Service

Provide SSL certificate security monitoring and reminders for multiple nodes to effectively solve SSL certificate management and maintenance issues.

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