Best Certum SSL Alternatives in 2026
The top Certum SSL alternatives are Let's Encrypt, DigiCert TLS/SSL Certificates and GlobalSign SSL Certificates: 15 SSL certificate providers our editors would look at instead of Certum SSL, in our ranking order.
Certum SSL: A paid SSL certificate range with validation choices and ACME support for Commercial SSL. Where it falls short: there is no free plan; the offering is paid..
Switching from Certum SSL? For most ssl certificate providers buyers the best Certum SSL alternative is Let's Encrypt, built for free, automated TLS for any scale. On a budget, GeoTrust starts at $2/site/mo. SSL.com Certificates offers the most maximum san domains (500).
Why People Look for a Certum SSL Alternative
- There is no free plan; the offering is paid
- Activation and verification vary by certificate type and may require documentation
- ACME support is specified for Commercial SSL, not the other certificate types
- No free plan — 3 of the alternatives below have it
Quick Picks by What You Need
- Best overallLet's Encrypt9.4
Free, automated TLS for any scale
Visit Let's Encrypt - Lowest priceGeoTrust8.9
Paid plans from $2/site/mo
Visit GeoTrust - Best free optionLet's Encrypt9.4
Has a free plan (Certum SSL has none)
Visit Let's Encrypt - Most maximum san domainsSSL.com Certificates8.6
500
Visit SSL.com Certificates
All 15 Certum SSL Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forFree, automated TLS for any scale
- Better than Certum SSL:
- Free plan
- Editor score 9.4 vs 7.7
A free certificate authority for automated, domain-validated HTTPS.
9.4/10★★★★★Visit Let's Encrypt -
Best forOrganizations needing OV/EV and broad coverage
- Better than Certum SSL:
- Editor score 9.2 vs 7.7
OV and EV certificates pair broad domain coverage with CertCentral and ACME automation.
- Multi-domain certificates
9.2/10★★★★★Visit DigiCert -
Best forBuyers needing DV, OV, or EV certificates
- Better than Certum SSL:
- Editor score 9.1 vs 7.7
A broad certificate range with wildcard and multi-domain options, but no stated price.
- Multi-domain certificates
9.1/10★★★★★Visit GlobalSign -
Best forBuyers wanting managed installation options
- Better than Certum SSL:
- Editor score 9.0 vs 7.7
A flexible SSL catalog for buyers choosing between self-managed and managed certificate operations.
- Multi-domain certificates
9.0/10★★★★☆Visit GoDaddy -
Best forTeams managing certificates across many servers
- Better than Certum SSL:
- Editor score 8.9 vs 7.7
GeoTrust combines TLS certificates with automated lifecycle management and server monitoring.
8.9/10★★★★☆Visit GeoTrust -
Best forBuyers seeking DV, OV, or EV with management
- Better than Certum SSL:
- Editor score 8.8 vs 7.7
A paid certificate range covering DV, OV, EV, wildcard, and multi-domain needs.
- Multi-domain certificates
8.8/10★★★★☆Visit Thawte -
Best forOV buyers needing wildcard or SAN certificates
- Better than Certum SSL:
- Editor score 8.7 vs 7.7
A web-focused OV certificate service for organizations needing SAN or wildcard coverage.
- Multi-domain certificates
8.7/10★★★★☆Visit site -
Best forTeams needing ACME automation or large SAN certificates
- Better than Certum SSL:
- Editor score 8.6 vs 7.7
A broad SSL certificate lineup with ACME automation and SAN coverage up to 500 domains.
- Multi-domain certificates
8.6/10★★★★☆Visit SSL.com -
Best forBuyers wanting validation choice and support
- Better than Certum SSL:
- Editor score 8.3 vs 7.7
A certificate provider with domain coverage choices, dashboard lifecycle tools, and 24/7 support.
- Multi-domain certificates
8.3/10★★★★☆Visit Sectigo -
Best forBudget-conscious buyers needing multiple certificate types
- Better than Certum SSL:
- Free plan
- Editor score 7.9 vs 7.7
A certificate range with free access, paid plans and ACME-based DV automation.
- Multi-domain certificates
7.9/10★★★★☆Visit Actalis -
Best forDV buyers wanting a free entry and API
- Better than Certum SSL:
- Free plan
- Editor score 7.9 vs 7.7
A free DV entry with ACME and API access, plus annual paid tiers for higher certificate allowances.
- Multi-domain certificates
7.9/10★★★★☆Visit ZeroSSL -
Best forBuyers needing several validation types or ACME
- Better than Certum SSL:
- Editor score 7.9 vs 7.7
A broad certificate catalog with ACME options, but its listed entry product shows Sold Out.
- Multi-domain certificates
7.9/10★★★★☆Visit Trustico -
Best forGoogle Cloud customers automating DV certificates
- Better than Certum SSL:
- Editor score 7.9 vs 7.7
ACME certificate lifecycle automation for Google Cloud, with DV validation and wildcard support.
7.9/10★★★★☆Visit site -
Best forEnterprises needing controlled certificate workflows
- Better than Certum SSL:
- Editor score 7.9 vs 7.7
Certificate types and lifecycle controls for organizations managing certificate workflows.
7.9/10★★★★☆Contact D-TRUST -
Best forBuyers needing QWAC or several validation levels
- Better than Certum SSL:
- Editor score 7.9 vs 7.7
A broad certificate range with CertManager requests, from DV through EV and QWAC.
- Multi-domain certificates
7.9/10★★★★☆Visit HARICA
Certum SSL Alternatives: Common Questions
What is the best alternative to Certum SSL?
Let's Encrypt: #1 in our SSL Certificate Providers ranking, with an editor score of 9.4 out of 10. A free certificate authority for automated, domain-validated HTTPS.
Is there a free alternative to Certum SSL?
Yes. Let's Encrypt, Actalis SSL Certificates and ZeroSSL Certificates have a free plan or a free tier.
What is the cheapest paid alternative to Certum SSL?
Of the alternatives here that publish a price, GeoTrust starts lowest, at $2/site/mo.
Why do people look for Certum SSL alternatives?
There is no free plan; the offering is paid; Activation and verification vary by certificate type and may require documentation; ACME support is specified for Commercial SSL, not the other certificate types.
Which Certum SSL alternative has the most maximum san domains?
SSL.com Certificates, with 500.
How do I switch from Certum SSL?
Export your data from Certum SSL (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Certum SSL.
How to Switch from Certum SSL
- Export your data from Certum SSL (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Certum SSL.
Certum SSL vs Each Alternative
| # | Tool | Free plan | Paid from | Validation types | Wildcard certificates | Multi-domain certificates | Issuance speed | Score |
|---|---|---|---|---|---|---|---|---|
| 17 | Certum SSL | No | DV, OV, EV | Yes | Yes | Hours | 7.7 | |
| 1 | Let's Encrypt | Yes | Free | 9.4 | ||||
| 2 | DigiCert TLS/SSL Certificates | No | OV, EV | Yes | Yes | Hours | 9.2 | |
| 3 | GlobalSign SSL Certificates | No | DV, OV, EV | Yes | Yes | Minutes | 9.1 | |
| 4 | GoDaddy SSL Certificates | No | DV, OV, EV | Yes | Yes | Minutes | 9.0 | |
| 5 | GeoTrust | $2/site/mo | 8.9 | |||||
| 6 | Thawte SSL Certificates | No | DV, OV, EV | Yes | Yes | Minutes | 8.8 | |
| 7 | Chunghwa Telecom HiPKI SSL | No | OV | Yes | Yes | 8.7 | ||
| 8 | SSL.com Certificates | No | $36.75/unit/yr | DV, OV, EV | Yes | Yes | Minutes | 8.6 |
| 9 | Sectigo SSL Certificates | No | $110/yr | DV, OV, EV | Yes | Yes | Minutes | 8.3 |
| 10 | Actalis SSL Certificates | Yes | €7/mo | DV, OV, EV | Yes | Yes | Minutes | 7.9 |
| 11 | ZeroSSL Certificates | Yes | $14.99/mo | DV | Yes | Yes | Minutes | 7.9 |
| 12 | Trustico SSL Certificates | No | $24/unit one-time | DV, OV, EV | Yes | Yes | Minutes | 7.9 |
| 13 | Google Trust Services | DV | Yes | 7.9 | ||||
| 14 | D-TRUST SSL Certificates | DV, OV, EV | Yes | Minutes | 7.9 | |||
| 15 | HARICA TLS Certificates | DV, IV, OV, EV | Yes | Yes | 7.9 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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