List of SSL Certificate Authorities

What is a Certificate Authority?

An SSL Certificate Authority (CA) or Certificate Provider is a well known Organization, that has the power to certify a domain or website. Looking at the website SSL certificate, the end user can trust the website and thus have confidence to browse safely. While browsing websites, you must have noticed the small lock in browser, just at the left of the URL. Look at the figure below. The lock represents a trusted SSL communication with the website https://www.redhat.com. It ensures that the website, that the user is browsing is owned by Redhat.

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Clicking on the lock reveals the certificate “Common Name” , which exactly matches the website domain name. Below that shows the the Certificate Authority, which issued this certificate. Look at this figure.

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If the browser doesn’t show the lock, there is an issue either with the certificate or the domain. It is unsafe to browse such websites. Below is an example:

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The CA/Browser forum has the right to authorize an Organization to act as a Certificate Authority. Such a designated organization can issue a Certificate to authorize a particular domain or website.

Below is the list of all pre-approved Certificate Authorities, which are trusted by all browsers.

1. Actalis S.p.A.
2. Amazon Trust Services LLC
3. Buypass AS
4. Camerfirma
5. Certinomis
6. CERTIGNA
7. certSIGN
8. CFCA
9. Asseco Data Systems (formely Certum)
10. Chunghwa Telecom Co., Ltd.
11. China Internet Network Information Center
12. ComSign Ltd
13. D-TRUST GmbH
14. DigitalTrust
15. DigiCert, Inc.
16. Digidentity
17. Disig, a.s.
18. E-TUGRA Inc.
19. eMudhra Technologies Limited
20. Entrust
21. Firmaprofesional
22. Global Digital Cybersecurity Authority Co., Ltd
23. GlobalSign
24. GoDaddy Inc
25. Hellenic Academic and Research Institutions Certification Authority (HARICA)
26. iTrus China
27. Izenpe S.A.
28. Kamu Sertifikasyon Merkezi
29. KPN Corporate Market BV
30. Let’s Encrypt
31. Logius PKIoverheid
32. National Center for Digital Certification
33. NAVER BUSINESS PLATFORM
34. Network Solutions, LLC
35. OISTE Foundation
36. Open Access Technology International
37. Prvni certifikacni autorita, a.s.
38. Secom Trust Systems
39. SecureTrust
40. Sectigo Ltd.
41. Shanghai Electronic Certification Authority Center Co. Ltd
42. SK ID Solutions AS
43. Skaitmeninio sertifikavimo centras (SSC)
44. SSL.com
45. SwissSign AG
46. TAIWAN-CA Inc.
47. TrustCor Systems, S. de R.L.
48. Visa