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 Gandi SSL with 61.67%, Openprovider with 16.33%, DigiCert SSL with 3.47% market share.
Technology | Domains | Market Share (Est.) | Versus page |
---|---|---|---|
Gandi SSL | 96209 | 61.67% | Let's Encrypt vs Gandi SSL |
Openprovider | 25476 | 16.33% | Let's Encrypt vs Openprovider |
DigiCert SSL | 5416 | 3.47% | Let's Encrypt vs DigiCert SSL |
SSL.com | 5086 | 3.26% | Let's Encrypt vs SSL.com |
Positive SSL | 4475 | 2.87% | Let's Encrypt vs Positive SSL |
TRUSTe | 4359 | 2.79% | Let's Encrypt vs TRUSTe |
GeoTrust SSL | 4342 | 2.78% | Let's Encrypt vs GeoTrust SSL |
OnlyDomains | 3859 | 2.47% | Let's Encrypt vs OnlyDomains |
TrustLogo | 2528 | 1.62% | Let's Encrypt vs TrustLogo |
Thawte SSL | 1167 | 0.75% | Let's Encrypt vs Thawte SSL |
Symantec SSL | 1143 | 0.73% | Let's Encrypt vs Symantec SSL |
Venafi | 301 | 0.19% | Let's Encrypt vs Venafi |
GoDaddy SSL | 230 | 0.15% | Let's Encrypt vs GoDaddy SSL |
Comodo SSL | 191 | 0.12% | Let's Encrypt vs Comodo SSL |
StartSSL | 191 | 0.12% | Let's Encrypt vs StartSSL |
Network Solutions SSL Wildcard | 130 | 0.08% | Let's Encrypt vs Network Solutions SSL Wildcard |
Akamai SSL | 102 | 0.07% | Let's Encrypt vs Akamai SSL |
GratisDNS | 40 | 0.03% | Let's Encrypt vs GratisDNS |
WoSign | 25 | 0.02% | Let's Encrypt vs WoSign |
ExpeditedSSL | 20 | 0.01% | Let's Encrypt vs ExpeditedSSL |
Popular Comparisons
The top three of Let's Encrypt’s competitors in the SSL Certificate category are Gandi SSL with 61.67%, Openprovider with 16.33%, DigiCert SSL with 3.47% market share.
Let's Encrypt vs Gandi SSL
Let's Encrypt vs Openprovider
Let's Encrypt vs DigiCert SSL
Let's Encrypt vs SSL.com
Let's Encrypt vs Positive SSL
Let's Encrypt vs TRUSTe
Let's Encrypt vs GeoTrust SSL
Let's Encrypt vs OnlyDomains
Around the world in 2025, over 630 companies have started using Let's Encrypt as SSL Certificate tool.
Customers | Employee Range | City | Region | Country | Social Links |
---|---|---|---|---|---|
Netflix | 10,000+ | Los Gatos | California | United States | |
Mercedes - Benz Research & Development India | 10,000+ | Bengaluru | Karnataka | India | |
Desjardins | 10,000+ | Montreal | Quebec | Canada | |
Fidelity National Information Services, Inc. | 10,000+ | Jacksonville | Florida | United States | |
Microsoft | 10,000+ | Redmond | Washington | United States | |
ManTech | 10,000+ | Herndon | Virginia | United States | |
Salesforce | 10,000+ | San Francisco | California | United States | |
IQ Option | 10,000+ | Limassol | Limassol | Cyprus | |
Leidos | 10,000+ | Reston | Virginia | United States | |
Hobby Lobby | 10,000+ | Oklahoma City | Oklahoma | United States |
The top three products and services offering customers that use Let's Encrypt for SSL Certificate are Software Development (18), Devops (16), Open Source (13).
Customers
The majority of Let's Encrypt's customers for the ssl-certificate category fall in the company size of 0 - 9 employees (208 companies), 20 - 49 employees (136 companies), 100 - 249 employees (89 companies).
Employee Size
The top three geographies of Let's Encrypt for ssl-certificate are the United States with 223(47.85%), Germany with 51(10.94%), United Kingdom with 45(9.66%) 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 Gandi SSL, Openprovider, DigiCert 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 Gandi SSL Let's Encrypt vs Openprovider Let's Encrypt vs DigiCert 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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