Single Domain SSL Certificates
Optimize your website security and demonstrate your commitment to customer privacy.
Single-Domain SSL/TLS Certificate Options
Basic
- Automated validation—certificate issued within minutes
- Includes www subdomain at no additional cost
- Unlimited server licenses, reissuances, and key pairs
- Improves SEO and Google search rankings
- 30-day unconditional money-back guarantee
- Ideal for: Personal websites, blogs, small business sites, development/staging environments
High Assurance
- Organization Validation displays your company name in the certificate details
- Includes www subdomain protection
- Works seamlessly with Microsoft Exchange and Outlook Web Access (OWA)
- Unlimited server licenses, reissuances, and key pairs
- Improves SEO and Google search ranking
- 30-day unconditional money-back guarantee
- Ideal for: Personal websites, blogs, small business sites, development/staging environments
Premium
- Secures up to 3 subdomains with one certificate
- Domain Validated (DV) with optional Organization Validation (OV) upgrade
- Microsoft Exchange and Autodiscover support
- $10,000 warranty (DV) or $1,250,000 warranty (OV)
- Unlimited server licenses, reissuances, and key pairs
- Improves SEO and Google search rankings
- 30-day unconditional money-back guarantee
- Ideal for: Small to medium businesses, organizations using Microsoft Exchange, sites with multiple subdomains (mail, shop, blog)
Enterprise EV
- Extended Validation—the highest level of validation available
- Verified organizational information displayed in certificate details
- $2,000,000 USD Relying Party Warranty
- Results in higher sales conversion rates
- Includes www subdomain protection
- Unlimited server licenses, reissuances, and key pairs
- Team and user management with granular permissions
- Improves SEO and Google search rankings
- 30-day unconditional money-back guarantee
- Ideal for: Financial institutions, e-commerce platforms, SaaS applications, healthcare portals, enterprise websites handling sensitive data
Optimize your website security with our single-domain certificate solutions
Every website needs SSL/TLS encryption to protect visitor data and establish trust. and meet modern browser security requirements that flag unencrypted sites as “not secure.” Beyond basic security, SSL/TLS certificates help improve your search engine rankings, increase conversion rates, and demonstrate your commitment to customer privacy.
Quick Comparison
| Certificate | Price | Domains | Subdomains | Warranty | |
|---|---|---|---|---|---|
| Buy | Basic | from | 1 | info | $10,000 |
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www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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| Buy | High Assurance | from | 1 | info | $50,000 |
|
www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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| Buy | Premium | from | 1 | Up to 3 | $250,000 |
|
www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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| Buy | Multi-Domain UCC/SAN | from | 1 | Multiple / Unlimited | $250,000 |
|
www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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| Buy | Wildcard | from | Multiple | unlimited | $250,000 |
|
www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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| Buy | Enterprise EV | from | 1 | info | $1,750,000 |
|
www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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| Buy | Enterprise EV UCC /SAN | from | Multiple | Multiple | $1,750,000 |
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www is prepended to the primary name (e.g. www.ssl.com or www.subdomain.ssl.com) |
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Speak to an expert
Check your domain
Why choose SSL.com for your single-domain certificate?
Trusted Certificate Authority
As a full-fledged CA, SSL.com is directly trusted by 99% of browsers and devices worldwide—no intermediate chains required.
Award-Winning Support
Our certificate experts are available to guide you through selection, validation, and installation whenever you need assistance.
Advanced Management Portal
Manage all your certificates, team members, and permissions from a single intuitive dashboard, with unlimited reissuances
Validation Flexibility
Start with DV for immediate protection, then upgrade to OV or EV as your business grows—without changing providers.
Free Smart Seal:
Every certificate includes our interactive site seal that displays real-time validation status and builds visitor confidence.
Risk-Free Trial
All SSL.com certificates come with a 30-day unconditional money-back guarantee, so that you can purchase with confidence.