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You are viewing an outdated report. The latest version of this report was published on April 1st, 2024


    
Certificate Authority Market Share Report
December 1st, 2021

Report Description
This report, much like our original certs and CAs report, focuses on issuers of SSL enabling certificates found on web servers. Unlike our original report, however, this report has a couple of key differences to it:

  • Reports on top 100 CAs. The original report only paid attention to the major CAs at the time the report was produced. This report lists the top 100 CAs for the month. You will find here many self-signing organizations such as universities, telecommunications firms, etc.
  • Uses issuer name as identifier. Our original report only counted a certificate towards an organization if we were able to prove, by virtue of verifying the key, that the organization in question actually signed the certificate. This had a notable problem with it - we don't always have the public key of the CA. In at least one case, a CA doesn't make their public key available unless you sign a license agreement.

    This report doesn't have that problem, since it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA November 2021
Count
November 2021
%
October 2021
Count
October 2021
%
Growth
%
Let's Encrypt1,572,36233.361,544,60428.4517.24
Sectigo Limited630,42713.381,233,16122.72-41.12
DigiCert536,32011.38577,92110.656.88
GlobalSign nv-sa257,1155.45257,1854.7415.14
Unknown176,6753.75195,4453.604.11
GoDaddy.com, Inc.164,2913.49167,9573.0912.66
Amazon156,9043.33163,9983.0210.19
cPanel, Inc.137,8072.92140,3692.5913.07
Google Trust Services LLC97,3332.0796,4841.7816.18
Plesk81,3701.7381,8741.5114.46
SomeOrganization72,7581.5475,8581.4010.46
Cloudflare, Inc.52,0731.1052,5320.9714.16
Unizeto Technologies S.A.45,8970.9746,3350.8514.08
COMODO CA Limited44,4800.9454,8651.01-6.63
Actalis S.p.A.44,1490.9447,6740.886.65
Parallels26,8550.5727,0520.5014.33
TrustAsia Technologies, Inc.25,7080.5524,8680.4619.06
Starfield Technologies, Inc.24,8860.5359,6731.10-51.97
GEANT Vereniging24,3370.5223,9800.4416.88
GoGetSSL23,3500.5023,2170.4315.83
Internet221,3570.4522,0500.4111.55
Odin21,0320.4521,3470.3913.47
ddos-guard20,1850.4318,6930.3424.36
Gandi19,6260.4220,8900.388.20
Japan Registry Services Co., Ltd.19,0580.4019,2530.3514.00
SH18,3140.3917,2240.3222.46
Soluciones Corporativas IP, SL16,5150.3516,3960.3016.01
Apache HTTP Server15,9450.3415,9270.2915.30
Entrust, Inc.14,2840.3013,8950.2618.39
SECOM Trust Systems CO.,LTD.13,9970.3013,9410.2615.63
Test Self SSL Company12,6100.2712,3860.2317.25
ZeroSSL11,0810.249,6730.1831.93
TERENA10,7160.2311,5000.217.32
Default Company Ltd10,3480.2210,1710.1917.17
Microsoft Corporation10,2900.2210,2870.1915.20
none8,9890.199,6000.187.84
CloudFlare, Inc.8,7780.198,6840.1616.42
FASTVPS7,5570.167,4850.1416.28
GeoTrust Inc.7,0970.158,4020.15-2.72
Internet Widgits Pty Ltd6,6930.1411,9580.22-35.54
KAGOYA-JAPAN6,6710.146,7780.1213.35
Corporation Service Company6,5760.146,6620.1213.68
XX6,4980.146,4740.1215.60
Beijing Knownsec Information Technology Co., Ltd6,3430.136,2000.1117.83
Network Solutions L.L.C.5,7340.125,7590.1114.67
DOMENY.PL sp. z o.o5,7310.125,7350.1115.09
WoTrus CA Limited5,6970.125,5440.1018.35
QuoVadis Limited5,5740.126,1410.114.54
dhosting.pl Sp. z o.o.5,5540.125,2430.1022.00
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.5,4830.125,5180.1014.44
home.pl S.A.5,3000.114,8290.0926.40
Unspecified5,0650.114,9480.0917.89
Trust Provider B.V.4,9510.115,6320.101.24
Cybertrust Japan Co., Ltd.4,8880.1015,9450.29-64.69
Mirohost4,7710.104,6890.0917.18
testexample3,9070.083,1190.0644.27
Buypass AS-9831633273,1150.073,1230.0614.88
SSL Server3,1010.073,0700.0616.33
Guardian Inc.3,0460.063,0450.0615.21
SSL Corporation2,9540.062,8300.0520.22
DivMulTech LLC2,9090.062,7420.0522.18
Webgarden2,7050.062,6390.0518.05
Digital Element2,6900.062,6900.0515.17
Alpiro s.r.o.2,5980.061,7330.0372.66
The Trustico Group Ltd2,5220.051,7530.0365.69
CentOS Web Panel2,4830.052,6720.057.02
My Company Ltd2,3700.052,2860.0419.40
SmugMug2,1830.052,1590.0416.45
TAIWAN-CA2,1450.052,0520.0420.39
GeoTrust, Inc.2,0910.042,2260.048.19
Bitrix1,9480.042,0220.0410.96
nazwa.pl sp. z o.o.1,7700.042,2210.04-8.22
cndns1,6630.041,6940.0313.06
MyCompany1,6230.031,6740.0311.66
StartCom Ltd.1,5380.031,6200.039.34
Beijing Xinchacha Credit Management Co., Ltd.1,4870.031,2250.0239.80
SecureCore1,4860.031,5210.0312.52
ZONER Software, a.s.1,4750.031,4550.0316.75
OVH1,4690.031,4830.0314.08
Trustwave Holdings, Inc.1,4620.031,4780.0313.92
Skok.CZ1,4390.031,4160.0317.04
Dattatec.com1,4220.031,3690.0319.63
Comodo Japan, Inc.1,3670.031,3440.0217.14
N/A1,3660.031,3820.0313.84
thawte, Inc.1,2150.031,5190.03-7.88
NetLock Kft.1,1800.031,2260.0210.85
SwissSign AG1,1770.028990.0250.78
Bitnami1,1580.021,1810.0212.93
CA1,1320.021,1260.0215.78
Acme Co1,1300.021,1120.0217.03
WEDOS Internet, a.s.1,1180.0200.00N/A
Yandex LLC1,0280.021,0050.0217.81
EUNETIC GmbH9540.029950.0210.42
Symantec Corporation9270.029590.0211.33
FNMT-RCM8730.028530.0217.87
FASTPANEL8690.027760.0128.97
SWsoft, Inc.8560.028560.0215.17
Comodo Limited7840.028120.0111.20
QuoVadis Trustlink B.V.7570.029660.02-9.75
KAGOYA Japan Ltd7210.027340.0113.13

Note: Readers are cautioned that the Growth percentages are based on a CA's market share penetration rather than the absolute number of certificates we detected. Thus, it is possible for the number of certificates to increase, while the growth is actually a negative value.



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