: Provides various root certificates for TLS, code signing, and document signing.

: Use these for high-assurance needs like Business Validation (OV) or Extended Validation (EV).

To "buy" a public root certificate is generally a misunderstanding of how public web trust works. In practice, you do not buy a ; instead, you purchase a signed certificate (like an SSL/TLS certificate) from a Certificate Authority (CA) that already has its own root certificate pre-installed in major browsers and operating systems.

Rather than buying a root, you buy (or get for free) a certificate that "chains" up to a trusted root.