The Best SSL Certificate Providers in 2026
Choose Let's Encrypt: its no-cost certificate authority handles issuing and refreshing domain-validated HTTPS certificates through ACME, a capability that suits deployments of any size. It is also the best free option, with HTTP-01, DNS-01 and TLS-ALPN-01 challenge methods plus separate production and staging endpoints. Its API also supports revocation, giving operators a direct way to retire compromised or unwanted certificates. For organizations that require OV or EV credentials and broad naming coverage, DigiCert TLS/SSL Certificates is a strong fit: its certificates can cover as many as 250 SAN names, and CertCentral works alongside ACME automation for administration. GeoTrust suits teams responsible for certificates on numerous servers, combining automatic installation and renewal with expiry tracking, continuous site observation and identification of over 110 SSL issues. Buyers seeking a wider validation menu can also consider GlobalSign SSL Certificates, which offers DV, OV and EV products, wildcard choices for DV/OV, and certificates that can list 100 SANs.
Our top picks
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Top ranked
Let's Encrypt#1 of 349.4/10A free certificate authority for automated, domain-validated HTTPS.
Free plan
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Runner-up
DigiCert TLS/SSL Certificates#2 of 349.2/10OV and EV certificates pair broad domain coverage with CertCentral and ACME automation.
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Top-ranked free plan
Actalis SSL Certificates#10 of 347.9/10A certificate range with free access, paid plans and ACME-based DV automation.
Free plan
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.
The full ranking 34 tools, best first
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Best forFree, automated TLS for any scale
A free certificate authority for automated, domain-validated HTTPS.
9.4/10★★★★★Visit Let's Encrypt -
Best forOrganizations needing OV/EV and broad coverage
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
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
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
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
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
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
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
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
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
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
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
ACME certificate lifecycle automation for Google Cloud, with DV validation and wildcard support.
7.9/10★★★★☆Visit site -
Best forEnterprises needing controlled certificate workflows
Certificate types and lifecycle controls for organizations managing certificate workflows.
7.9/10★★★★☆Contact D-TRUST -
Best forBuyers needing QWAC or several validation levels
A broad certificate range with CertManager requests, from DV through EV and QWAC.
- Multi-domain certificates
7.9/10★★★★☆Visit HARICA -
Best forBuyers automating certificates for up to 250 domains
A certificate catalog with ACME and OpenAPI ordering for automated issuance and deployment.
- Multi-domain certificates
7.8/10★★★★☆Visit TrustAsia -
Best forBuyers needing ACME and DV/OV/EV options
A paid SSL certificate range with validation choices and ACME support for Commercial SSL.
- Multi-domain certificates
7.7/10★★★★☆Visit Certum SSL -
Best forBuyers seeking RSA/ECC and certificate variety
A certificate range spanning DV, OV and EV, with RSA and ECC variants.
- Multi-domain certificates
7.6/10★★★★☆Visit CFCA -
Best forBuyers needing ACME-based DV certificate requests
DV and OV certificates with wildcard, SAN, and ACME options for web servers.
- Multi-domain certificates
7.5/10★★★★☆Visit TeleSec -
Best forOrganizations needing OV/EV multi-domain TLS
OV and EV certificates support up to 50 names, with one-time pricing from $199.
- Multi-domain certificates
7.4/10★★★★☆Visit IdenTrust -
Best forBuyers needing multiple validation and certificate types
SwissSign offers domain, wildcard and multi-domain certificates with expiry alerts.
- Multi-domain certificates
7.3/10★★★★☆Visit SwissSign -
Best forBuyers needing DV, OV, or OV wildcard coverage
certSIGN covers DV, OV, and OV wildcard certificates for HTTPS website authentication.
- Multi-domain certificates
7.2/10★★★★☆Visit certSIGN -
Best forBuyers needing straightforward DV or wildcard TLS
A focused DV and wildcard TLS option, with issuance through resellers.
7.1/10★★★★☆Find a reseller -
Best forOrganizations buying OV/EV certificates in volume
A paid OV/EV certificate lineup with ACME options, volume discounts, and OV license flexibility.
- Multi-domain certificates
7.0/10★★★★☆Visit SECOM -
Best forOrganizations needing OV certificates for .tn domains
OV certificates for eligible .tn domains, with wildcard, multi-domain, and ACME lifecycle options.
- Multi-domain certificates
6.9/10★★★☆☆Visit TunTrust -
Best forJapanese buyers automating OV/EV certificate workflows
A fit for Japanese teams managing validated certificates across multiple domains.
- Multi-domain certificates
6.8/10★★★☆☆Visit site -
Best forBuyers needing OV/EV and SAN options
OV and EV certificates for single domains, subdomains, and multidomain SAN use.
- Multi-domain certificates
6.7/10★★★☆☆Visit InfoCert -
Best forOrganizations needing OV/EV or OV Wildcard certificates
OV, EV, and OV Wildcard certificates with annual subscriptions and automatic renewals.
6.6/10★★★☆☆Visit SIBS Multicert -
Best forBuyers needing OV/EV and downloadable certificates
OV, EV and wildcard certificates with requests handled through Trust/Link.
- Multi-domain certificates
6.5/10★★★☆☆Contact QuoVadis -
Best forBuyers needing OV or EV with one-year terms
OV and EV certificates cover single domains, multiple domains, and wildcard use.
- Multi-domain certificates
6.4/10★★★☆☆Visit AC Camerfirma -
Best forBuyers needing QWAC or PSD2 certificates
A certificate portfolio spanning DV, OV, EV, QWAC and PSD2 use cases.
6.3/10★★★☆☆Contact ANF -
Best forOrganizations evaluating SSL automation services
BJCA pairs SSL certificate services with cloud and gateway automation offerings.
6.2/10★★★☆☆Visit BJCA -
Best forBuyers needing reissues and several certificate types
A paid SSL range with several validation and coverage options, plus unlimited reissues.
- Multi-domain certificates
6.1/10★★★☆☆Visit E-Tuğra -
Best forBuyers specifically needing qualified QWAC/PSD2 certificates
A focused option for qualified QWAC/PSD2 certificates with multi-domain support.
- Multi-domain certificates
6.0/10★★★☆☆Visit A-Trust
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Validation types | Wildcard certificates | Multi-domain certificates | Score |
|---|---|---|---|---|---|---|---|
| 1 | Let's Encrypt | Yes | Free | 9.4 | |||
| 2 | DigiCert TLS/SSL Certificates | No | OV, EV | Yes | Yes | 9.2 | |
| 3 | GlobalSign SSL Certificates | No | DV, OV, EV | Yes | Yes | 9.1 | |
| 4 | GoDaddy SSL Certificates | No | DV, OV, EV | Yes | Yes | 9.0 | |
| 5 | GeoTrust | $2/site/mo | 8.9 | ||||
| 6 | Thawte SSL Certificates | No | DV, OV, EV | Yes | Yes | 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 | 8.6 |
| 9 | Sectigo SSL Certificates | No | $110/yr | DV, OV, EV | Yes | Yes | 8.3 |
| 10 | Actalis SSL Certificates | Yes | €7/mo | DV, OV, EV | Yes | Yes | 7.9 |
| 11 | ZeroSSL Certificates | Yes | $14.99/mo | DV | Yes | Yes | 7.9 |
| 12 | Trustico SSL Certificates | No | $24/unit one-time | DV, OV, EV | Yes | Yes | 7.9 |
| 13 | Google Trust Services | DV | Yes | 7.9 | |||
| 14 | D-TRUST SSL Certificates | DV, OV, EV | Yes | 7.9 | |||
| 15 | HARICA TLS Certificates | DV, IV, OV, EV | Yes | Yes | 7.9 | ||
| 16 | TrustAsia SSL Certificates | No | DV, OV, EV | Yes | Yes | 7.8 | |
| 17 | Certum SSL | No | DV, OV, EV | Yes | Yes | 7.7 | |
| 18 | CFCA SSL Certificates | DV, OV, EV | Yes | Yes | 7.6 | ||
| 19 | T-Systems TeleSec SSL Certificates | DV, OV | Yes | Yes | 7.5 | ||
| 20 | IdenTrust TrustID TLS Certificates | No | $199/unit one-time | OV, EV; both include DV | Yes | Yes | 7.4 |
| 21 | SwissSign SSL Certificates | No | DV, OV, EV | Yes | Yes | 7.3 | |
| 22 | certSIGN SSL Certificates | No | DV, OV | Yes | Yes | 7.2 | |
| 23 | RapidSSL Certificates | No | DV | Yes | 7.1 | ||
| 24 | SECOM Trust Systems SSL | No | OV, EV | Yes | 7.0 | ||
| 25 | TunTrust SSL Certificates | No | OV | Yes | Yes | 6.9 | |
| 26 | Cybertrust Japan SecureSign | No | OV, EV | Yes | Yes | 6.8 | |
| 27 | InfoCert SSL Certificates | No | OV, EV | Yes | Yes | 6.7 | |
| 28 | MULTICERT SSL Certificates | OV, EV | Yes | 6.6 | |||
| 29 | QuoVadis SSL Certificates | OV, EV | Yes | Yes | 6.5 | ||
| 30 | AC Camerfirma SSL Certificates | OV, EV | Yes | Yes | 6.4 | ||
| 31 | ANF Autoridad de Certificación SSL | DV, OV, EV | Yes | 6.3 | |||
| 32 | BJCA SSL Certificates | DV, OV, IV, EV | 6.2 | ||||
| 33 | E-Tuğra SSL Certificates | No | DV, OV, EV | Yes | Yes | 6.1 | |
| 34 | A-Trust SSL Certificates | No | €457.50/unit one-time | Advanced, qualified (QWAC/EV) | Yes | 6.0 |
Head-to-head All 28 comparisons →
- Let's Encrypt vs DigiCert TLS/SSL Certificates
- Let's Encrypt vs GlobalSign SSL Certificates
- Let's Encrypt vs GoDaddy SSL Certificates
- Let's Encrypt vs GeoTrust
- Let's Encrypt vs Thawte SSL Certificates
- Let's Encrypt vs Chunghwa Telecom HiPKI SSL
- Let's Encrypt vs SSL.com Certificates
- DigiCert TLS/SSL Certificates vs GlobalSign SSL Certificates
- DigiCert TLS/SSL Certificates vs GoDaddy SSL Certificates
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How we rank SSL certificate providers
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update