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)
987
Market Share (Est.)
2.67%
Ranking
#9
Top Competitors and Alternatives of Let's Encrypt
The top three of Let's Encrypt’s competitors in the SSL Certificate category are SSL.com with 24.23%, DigiCert SSL with 14.00%, Positive SSL with 10.82% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| SSL.com | 8942 | 24.23% | Let's Encrypt vs SSL.com |
| DigiCert SSL | 5167 | 14.00% | Let's Encrypt vs DigiCert SSL |
| Positive SSL | 3993 | 10.82% | Let's Encrypt vs Positive SSL |
| GeoTrust SSL | 3598 | 9.75% | Let's Encrypt vs GeoTrust SSL |
| TRUSTe | 3462 | 9.38% | Let's Encrypt vs TRUSTe |
| Gandi SSL | 3457 | 9.37% | Let's Encrypt vs Gandi SSL |
| TrustLogo | 2382 | 6.45% | Let's Encrypt vs TrustLogo |
| Thawte SSL | 1388 | 3.76% | Let's Encrypt vs Thawte SSL |
| Symantec SSL | 973 | 2.64% | Let's Encrypt vs Symantec SSL |
| Venafi | 464 | 1.26% | Let's Encrypt vs Venafi |
| Openprovider | 414 | 1.12% | Let's Encrypt vs Openprovider |
| GoDaddy SSL | 265 | 0.72% | Let's Encrypt vs GoDaddy SSL |
| Network Solutions SSL Wildcard | 254 | 0.69% | Let's Encrypt vs Network Solutions SSL Wildcard |
| StartSSL | 235 | 0.64% | Let's Encrypt vs StartSSL |
| Comodo SSL | 209 | 0.57% | Let's Encrypt vs Comodo SSL |
| Akamai SSL | 200 | 0.54% | Let's Encrypt vs Akamai SSL |
| Entrust | 154 | 0.42% | Let's Encrypt vs Entrust |
| OnlyDomains | 97 | 0.26% | Let's Encrypt vs OnlyDomains |
| WoSign | 75 | 0.20% | Let's Encrypt vs WoSign |
| GratisDNS | 36 | 0.10% | Let's Encrypt vs GratisDNS |
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 SSL.com with 24.23%, DigiCert SSL with 14.00%, Positive SSL with 10.82% 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 TRUSTe
Let's Encrypt vs Gandi SSL
Let's Encrypt vs TrustLogo
Let's Encrypt vs Thawte SSL
Customers of Let's Encrypt
Around the world in 2026, over 982 companies have started using Let's Encrypt as SSL Certificate tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| IMMO Mousquetaires | 10,000+ | Bondoufle | Ile-de-France | France |     |
| Altran | 10,000+ | Paris | Ile-de-France | France | |
| G4s Secure Solutions | 10,000+ | Manama | Manama | Bahrain | |
| SAP | 10,000+ | Walldorf | Baden-Wuerttemberg | Germany | |
| Microsoft | 10,000+ | Redmond | Washington | United States | |
| Tata Consultancy Services | 10,000+ | Mumbai | Maharashtra | India | |
| GlobalLogic | 10,000+ | Santa Clara | California | United States | |
| Atlassian | 10,000+ | Sydney | New South Wales | Australia | |
| NTT | 10,000+ | Tokyo | Tokyo | Japan | |
| Universidade Federal Do Amazonas | 10,000+ | Manaus | Amazonas | Brazil | |
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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 (28), Cloud Computing (22), Cloud Services (21).
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 (302 companies), 20 - 49 employees (189 companies), 100 - 249 employees (140 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 299(42.84%), France with 75(10.74%), United Kingdom with 63(9.03%) 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 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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