Let's Encrypt
Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit.
Market Share of Let's Encrypt
Current Customer(s)
1048
Market Share (Est.)
0.61%
Ranking
#12
Top Competitors and Alternatives of Let's Encrypt
The top three of Let's Encrypt’s competitors in the SSL Certificate category are Gandi SSL with 60.00%, Openprovider with 16.79%, SSL.com with 6.18% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Gandi SSL | 103503 | 60.00% | Let's Encrypt vs Gandi SSL |
| Openprovider | 28962 | 16.79% | Let's Encrypt vs Openprovider |
| SSL.com | 10669 | 6.18% | Let's Encrypt vs SSL.com |
| DigiCert SSL | 5472 | 3.17% | Let's Encrypt vs DigiCert SSL |
| Positive SSL | 4246 | 2.46% | Let's Encrypt vs Positive SSL |
| GeoTrust SSL | 4175 | 2.42% | Let's Encrypt vs GeoTrust SSL |
| TRUSTe | 3993 | 2.31% | Let's Encrypt vs TRUSTe |
| OnlyDomains | 3297 | 1.91% | Let's Encrypt vs OnlyDomains |
| TrustLogo | 2613 | 1.51% | Let's Encrypt vs TrustLogo |
| Thawte SSL | 1358 | 0.79% | Let's Encrypt vs Thawte SSL |
| Symantec SSL | 1095 | 0.63% | Let's Encrypt vs Symantec SSL |
| Venafi | 513 | 0.30% | Let's Encrypt vs Venafi |
| Network Solutions SSL Wildcard | 277 | 0.16% | Let's Encrypt vs Network Solutions SSL Wildcard |
| GoDaddy SSL | 269 | 0.16% | Let's Encrypt vs GoDaddy SSL |
| Akamai SSL | 240 | 0.14% | Let's Encrypt vs Akamai SSL |
| Comodo SSL | 229 | 0.13% | Let's Encrypt vs Comodo SSL |
| StartSSL | 213 | 0.12% | Let's Encrypt vs StartSSL |
| Entrust | 103 | 0.06% | Let's Encrypt vs Entrust |
| GratisDNS | 66 | 0.04% | Let's Encrypt vs GratisDNS |
| Trustwave SSL | 42 | 0.02% | Let's Encrypt vs Trustwave SSL |
Popular Comparisons
Top Competitors and Alternatives of Let's Encrypt
The top three of Let's Encrypt’s competitors in the SSL Certificate category are Gandi SSL with 60.00%, Openprovider with 16.79%, SSL.com with 6.18% market share.
Let's Encrypt vs Gandi SSL
Let's Encrypt vs Openprovider
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 TRUSTe
Let's Encrypt vs OnlyDomains
Customers of Let's Encrypt
Around the world in 2025, over 1045 companies have started using Let's Encrypt as SSL Certificate tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Universidade Federal Do Amazonas | 10,000+ | Manaus | Amazonas | Brazil |     |
| HCLTech | 10,000+ | Noida | Uttar Pradesh | India | |
| NRG | 10,000+ | Houston | Texas | United States | |
| Devoteam | 10,000+ | Levallois-Perret | Ile-de-France | France | |
| Deutsche Telekom | 10,000+ | Bonn | North Rhine-Westphalia | Germany | |
| MSF | 10,000+ | Le Grand-Saconnex | Geneva | Switzerland | |
| Thoughtworks | 10,000+ | Chicago | Illinois | United States | |
| NASA - National Aeronautics & Space Administration | 10,000+ | Washington, D.C. | Washington, D.C. | United States | |
| NTT | 10,000+ | Tokyo | Tokyo | Japan | |
| Alstom | 10,000+ | Saint-Ouen | Ile-de-France | France | |
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Let's Encrypt Customers by Products and Services
The top three products and services offering customers that use Let's Encrypt for SSL Certificate are Software Development (34), Cloud Services (28), Web Development (26).
Customers
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Let's Encrypt Customers by Employee Size
The majority of Let's Encrypt's customers for the ssl-certificate category fall in the company size of 0 - 9 employees (277 companies), 20 - 49 employees (225 companies), 100 - 249 employees (169 companies).
Employee Size
Let's Encrypt Customers by Geography
The top three geographies of Let's Encrypt for ssl-certificate are the United States with 342(44.76%), France with 71(9.29%), United Kingdom with 67(8.77%) customers respectively.
Customers
Employees of Let's Encrypt
Also see other Products/Services by Let's Encrypt in:
FAQ
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 Gandi SSL, Openprovider, SSL.com. 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 Gandi SSL Let's Encrypt vs Openprovider Let's Encrypt vs SSL.com.
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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