Which is better for a small cloud-native startup: Certificate Manager SaaS or Self-Hosted, and why?

For a small, cloud-native startup with no legacy on-prem hardware, Certificate Manager SaaS is almost always the better starting point, though the honest answer depends on a few concrete factors rather than a blanket rule.

SaaS wins on time-to-value: there's no VM to provision, patch, or scale, and a small security or platform team can configure zones and start issuing certificates in a day rather than planning a multi-week TPP rollout. It also fits naturally with a cloud-native stack, since the cert-manager/CyberArk Issuer integration for Kubernetes and the API-driven enrollment via VCert work identically against the SaaS control plane.

The calculus changes if the startup has strict data-residency requirements (some regulated industries or government contracts mandate that certificate metadata never leave a specific jurisdiction or network), or if it unexpectedly inherits legacy on-prem appliances through an acquisition that need TPP's deeper orchestration connectors. Absent those constraints, though, starting on SaaS and only self-hosting later if a specific requirement forces it is the lower-risk path.