ZeroSSL vs GlobalSign
A detailed comparison to help you choose between ZeroSSL and GlobalSign.
Quick Verdict
3.8/5
ZeroSSL
46 reviews
4.9/5
GlobalSign
355 reviews
GlobalSign is rated higher (4.9 vs 3.8). ZeroSSL provides free SSL certificates as an alternative to Let's Encrypt. Also offers paid OV and EV certificates. REST API, ACME support, and monitoring. 90-day free certs. GlobalSign provides SSL/TLS certificates and PKI solutions for securing websites, APIs, and IoT devices. Built for enterprises needing reliability, compliance, and dedicated support.
ZeroSSL Free SSL alternative to Let's Encrypt | GlobalSign Enterprise SSL/TLS certificates with global infrastructure and support | |
|---|---|---|
| Overview | ||
| Rating | 3.8 (46 reviews) | 4.9 (355 reviews)✓ |
| Pricing model | freemium | paid |
| Starting price | Free tier available✓ | From €250/mo |
| Best for | Developers who want a Let's Encrypt alternative for CA diversification or need OV/EV certificates | Large enterprises and organizations requiring PKI infrastructure, compliance certifications, and mission-critical certificate management at scale. |
| Tags | ||
| Tags | free tierapi access | team features |
| Visit ZeroSSL → | Visit GlobalSign → | |
ZeroSSL
Pros
- + Alternative CA to Let's Encrypt — diversification
- + REST API for certificate management
- + Paid OV/EV available
Cons
- - Free tier limited to 3 certificates
- - Less established than Let's Encrypt
GlobalSign
Pros
- + Deploy automated certificate management across large deployments
- + Access 24/7 technical support and compliance documentation
- + Leverage global root certificates trusted by 99%+ of browsers
- + Integrate with cloud platforms and DevOps workflows
Cons
- - Pricing higher than budget-focused competitors for small deployments
- - Requires account manager for customized enterprise solutions
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