If you truly need to "own" a root, you are looking at becoming a Certificate Authority yourself, which requires millions in assets and rigorous audits. For most users, the goal is simply to have a website or service trusted by the public. How to Get Publicly Trusted Certificates
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. buy public root certificate
Rather than buying a root, you buy (or get for free) a certificate that "chains" up to a trusted root. If you truly need to "own" a root,