Certum is the first European Certificate Authority, offering reliable and affordable SSL certificates, code signing certificates and email signing certificates.
Expert SSL engineers ready to guide your CSR generation, domain validation, and certificate installation.
100% risk-free purchase. Full money-back guarantee if you are not completely satisfied.
Choose the ideal validation level and certificate scope for your infrastructure.
Fast automated domain validation delivering robust encryption with reliable European CA heritage.
Maximum business credibility with Extended Validation, establishing highest confidence for e-commerce and banking.
Organization-vetted certificate securing an unlimited number of subdomains under a single high-assurance certificate.
Why millions of businesses and webmasters choose Certum for digital certificate protection.
Equipped with up to 256-bit encryption and 2048-bit RSA signature keys (ECC supported) for impenetrable protection.
Displays the trusted browser padlock and comes with the globally recognized Certum Secure Site Seal.
99.9% universal recognition across all major desktop browsers, mobile devices, servers, and operating systems.
Google uses HTTPS as an active ranking signal. Certum SSL satisfies PCI-DSS, GDPR, and HIPAA regulatory compliance.
Every certificate is backed by generous warranties up to $1,750,000 and RenewalSSL's 25-day money-back guarantee.
Domain Validation certificates are issued automatically in under 10 minutes via email or DNS with zero paperwork.
Click any certificate category below to learn about verification criteria and best-fit use cases.
Fastest verification requiring only automated proof of domain ownership via email or DNS. Ideal for blogs, portfolios, and basic websites looking for instant HTTPS encryption without paperwork.
Requires verifying your legally registered company details. Your authenticated business name appears in certificate details, establishing legitimate corporate identity for businesses and web stores.
The highest industry benchmark of digital trust. Subjected to comprehensive identity vetting, EV certificates are recommended for e-commerce, banking, and enterprise portals.
Secures your main domain (e.g. yourdomain.com) and an unlimited number of first-level subdomains (*.yourdomain.com), dramatically simplifying certificate administration and cost.
Protect up to 250 completely distinct domain names and IP addresses under one single certificate, saving substantial administration overhead.
Secures executable code, drivers, and software with cryptographic digital signatures. Eliminates OS security alerts and guarantees software publisher authenticity.
Certum is a trusted European Certificate Authority with a long history of providing digital security solutions.
It offers affordable SSL certificates without compromising security or compatibility.
Certum certificates are recognized by all major browsers and platforms.
First European CA in Poland, full product diversity, WebTrust certification, and global recognition.
Certum is the first CA in Poland and one of the largest CAs in Europe, and has held the WebTrust Seal of Assurance.
Certum offers a full range of SSL certificates (DV, OV, EV), with single domain, multi-domain (up to 10 domains) and wildcard options available.
Certum certificates offer the highest level of security, secured with SHA256 and 2048 to 4096 bit RSA keys.
After obtaining a Certum SSL certificate, you can add the prestigious Certum seal to your website.
Certum SSL certificates are recognized by all mainstream browsers, devices and operating systems.
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.
Our SSL specialists will evaluate your website structure, security requirements, and budget to recommend the optimal certificate solution.
The premier marketplace for seamless SSL certificate issuance, renewal, and website trust management worldwide.
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Next-gen PKI platform. Manage digital trust at enterprise scale.
Automate the full certificate lifecycle. Stay secure and compliant.
Simplify certificate lifecycle management across your entire network.
Automate the full certificate lifecycle. Stay secure and compliant.
Protect software supply chains. Ensure secure code delivery.
Digitally sign and validate documents. Preserve integrity and origin.
