Head-to-head · Public Key Infrastructure Software
DigiCert Private CA vs SSL.com Private Enterprise PKI
DigiCert Private CA leads on 0 checks, SSL.com Private Enterprise PKI on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreDigiCert Private CA · 9.2/10
- Free planonly SSL.com Private Enterprise PKI
DigiCert Private CA scores higher on our rubric for public key infrastructure software: 9.2 against 9.1 out of 10; our editors rank them #2 and #3.
On deployment model, DigiCert Private CA gives you Hybrid where SSL.com Private Enterprise PKI offers Cloud.
DigiCert Private CA is the better fit for enterprise hybrid and air-gapped PKI. SSL.com Private Enterprise PKI is the better fit for organizations wanting priced managed PKI.
- DigiCert Private CA fits best
Enterprise hybrid and air-gapped PKI
- SSL.com Private Enterprise PKI fits best
Organizations wanting priced managed PKI
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Side by side
| Feature | DigiCert Private CA 9.2/10 Visit ↗ | SSL.com Private Enterprise PKI 9.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 9.1 |
| Ranking | #2 in Public Key Infrastructure Software | #3 in Public Key Infrastructure Software |
| Best for | Enterprise hybrid and air-gapped PKI | Organizations wanting priced managed PKI |
| Pricing model | Paid | Free plan + paid |
| Starting price | Pricing on request | $2,000/yr |
| Free plan | Not checked yet | ✓ (best) |
| Free trial | — | — |
| Deployment | Cloud, Self-hosted | Cloud |
| Platforms | Web, Linux | Web |
| Support | Docs | Live chat, Tickets, Docs |
| Integrations | 5 integrations | 3 integrations |
| Built for | Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features DigiCert Private CA 5/5 · SSL.com Private Enterprise PKI 5/5 | ||
| ACME support | ✓ | ✓ |
| SCEP support | ✓ | ✓ |
| EST support | ✓ | ✓ |
| HSM integration | ✓ | ✓ |
| Certificate profiles | ✓ | ✓ |
| Specs | ||
| Deployment model | Hybrid | Cloud |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | DigiCert Private CA is a private certificate authority service for organizations securing internal users, devices, applications, servers, and digital assets. It supports private PKI across DigiCert-hosted cloud environments and… Read the review → |
SSL.com Private Enterprise PKI is a hosted private certificate authority service for organizations managing internal certificates across teams, devices, workloads, and applications. It provides a dedicated Root CA and Issuing CAs, with CA… Read the review → |
Strengths and trade-offs
DigiCert Private CA — where it wins
- Supports ACME, SCEP, and EST certificate enrollment automation
- Integrates FIPS 140-2 Level 3 HSMs and existing PKI infrastructure
- Deploys in cloud, on premises, hybrid, or air-gapped environments
Where it doesn't
- Subscription pricing requires contact with a DigiCert account representative
- Its broad CA and lifecycle configuration may exceed smaller PKI needs
- It is proprietary rather than open source
SSL.com Private Enterprise PKI — where it wins
- Dedicated Root CA and Issuing CAs with HSM-backed keys
- ACME, SCEP, EST, and REST API enrollment support
- Certificate inventory, forecasting, audit logs, and SIEM/SOAR integration
Where it doesn't
- Lab plan is for development and testing, not production use
- Private Enterprise PKI does not include the WebTrust compliance program
- Pricing is indicative and subject to change
- DigiCert Private CA9.2/10 · Pricing on request
A flexible private CA for enterprises managing certificates across hybrid and air-gapped environments.
Visit DigiCertFull verdict → - SSL.com Private Enterprise PKI9.1/10 · Free plan
Managed private PKI with broad enrollment protocols, lifecycle controls, and published plan pricing.
Visit SSL.comFull verdict →
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All public key infrastructure software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update