Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit.
Current Customer(s)
Market Share (Est.)
Ranking
The top three of Let's Encrypt’s competitors in the SSL Certificate category are SSL.com with 36.64%, DigiCert SSL with 11.20%, Positive SSL with 8.48% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| SSL.com | 16919 | 36.64% | Let's Encrypt vs SSL.com |
| DigiCert SSL | 5171 | 11.20% | Let's Encrypt vs DigiCert SSL |
| Positive SSL | 3913 | 8.48% | Let's Encrypt vs Positive SSL |
| GeoTrust SSL | 3552 | 7.69% | Let's Encrypt vs GeoTrust SSL |
| Gandi SSL | 3468 | 7.51% | Let's Encrypt vs Gandi SSL |
| TRUSTe | 3335 | 7.22% | Let's Encrypt vs TRUSTe |
| TrustLogo | 2333 | 5.05% | Let's Encrypt vs TrustLogo |
| Thawte SSL | 1388 | 3.01% | Let's Encrypt vs Thawte SSL |
| Symantec SSL | 954 | 2.07% | Let's Encrypt vs Symantec SSL |
| Venafi | 838 | 1.81% | Let's Encrypt vs Venafi |
| Network Solutions SSL Wildcard | 456 | 0.99% | Let's Encrypt vs Network Solutions SSL Wildcard |
| Openprovider | 426 | 0.92% | Let's Encrypt vs Openprovider |
| Akamai SSL | 419 | 0.91% | Let's Encrypt vs Akamai SSL |
| GoDaddy SSL | 341 | 0.74% | Let's Encrypt vs GoDaddy SSL |
| Comodo SSL | 260 | 0.56% | Let's Encrypt vs Comodo SSL |
| StartSSL | 232 | 0.50% | Let's Encrypt vs StartSSL |
| Entrust | 185 | 0.40% | Let's Encrypt vs Entrust |
| OnlyDomains | 102 | 0.22% | Let's Encrypt vs OnlyDomains |
| GratisDNS | 78 | 0.17% | Let's Encrypt vs GratisDNS |
| WoSign | 74 | 0.16% | Let's Encrypt vs WoSign |
Popular Comparisons
The top three of Let's Encrypt’s competitors in the SSL Certificate category are SSL.com with 36.64%, DigiCert SSL with 11.20%, Positive SSL with 8.48% market share.
Let's Encrypt vs SSL.com
Let's Encrypt vs DigiCert SSL
Let's Encrypt vs Positive SSL
Let's Encrypt vs GeoTrust SSL
Let's Encrypt vs Gandi SSL
Let's Encrypt vs TRUSTe
Let's Encrypt vs TrustLogo
Let's Encrypt vs Thawte SSL
Around the world in 2026, over 1464 companies have started using Let's Encrypt as SSL Certificate tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| NTT | 10,000+ | Tokyo | Tokyo | Japan | |
| Locaweb | 10,000+ | Sao Paulo | Sao Paulo | Brazil | |
| Dell | 10,000+ | Round Rock | Texas | United States | |
| HCA HEALTHONE, LLC | 10,000+ | Denver | Colorado | United States | |
| PCCW Global | 10,000+ | Herndon | Virginia | United States | |
| Avanade | 10,000+ | Seattle | Washington | United States | |
| Chicago Public Schools | 10,000+ | Chicago | Illinois | United States | |
| Bank Of America | 10,000+ | Charlotte | North Carolina | United States | |
| Publicis Groupe | 10,000+ | Paris | Ile-de-France | France | |
| NRG | 10,000+ | Houston | Texas | United States |
The top three products and services offering customers that use Let's Encrypt for SSL Certificate are Software Development (45), Cloud Services (37), Cloud Computing (33).
Customers
The majority of Let's Encrypt's customers for the ssl-certificate category fall in the company size of 0 - 9 employees (365 companies), 20 - 49 employees (296 companies), 100 - 249 employees (233 companies).
Employee Size
The top three geographies of Let's Encrypt for ssl-certificate are the United States with 455(43.54%), France with 132(12.63%), United Kingdom with 89(8.52%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top Let's Encrypt competitors?
Let's Encrypt’s Top competitors in the ssl-certificate category are SSL.com, DigiCert SSL, Positive SSL. You can view a full list of Let's Encrypt competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Let's Encrypt and 40,000 other technologies on the internet. You can also compare Let's Encrypt and its feature with top competitors here : Let's Encrypt vs SSL.com Let's Encrypt vs DigiCert SSL Let's Encrypt vs Positive SSL.
What is Let's Encrypt customer distribution based on company size?
What is Let's Encrypt market share in the ssl-certificate?
What are the top countries that use Let's Encrypt?
What are the top industries that use Let's Encrypt?
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