You can purchase directly from a CA or through a reputable partner store (often cheaper). Popular providers include: Buy Code Signing Certificates - EV & OV Options - Sectigo
Before purchasing, identify which type fits your specific needs: buy ca certificate
To "buy a CA certificate" generally refers to purchasing a digital certificate from a to secure a website (SSL/TLS), sign software (Code Signing), or establish an internal security infrastructure (Private PKI). 1. Types of Certificates You Can Buy You can purchase directly from a CA or
Quickest to obtain; verifies domain ownership only. sign software (Code Signing)
Verifies the business's legal identity; suitable for corporate sites.
Secures multiple subdomains (e.g., *.example.com ) or completely different domains under one certificate.