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You are viewing an outdated report. The latest version of this report was published on October 1st, 2020


    
Certificate Authority Market Share Report
January 1st, 2020

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 December 2019
Count
December 2019
%
November 2019
Count
November 2019
%
Growth
%
Let's Encrypt1,871,96621.131,713,61220.831.44
COMODO CA Limited1,529,03317.261,477,76717.96-3.92
DigiCert1,296,86214.641,218,29014.81-1.15
Sectigo Limited638,4227.21569,5296.924.09
GlobalSign nv-sa501,4015.66488,5835.94-4.70
cPanel, Inc.445,4755.03399,0324.853.67
GoDaddy.com, Inc.339,5703.83319,5683.88-1.33
Unknown305,4953.45262,1953.198.19
Amazon170,8911.93156,1761.901.61
Starfield Technologies, Inc.159,3701.80143,4131.743.19
CloudFlare, Inc.89,3371.0180,9600.982.47
Plesk78,5870.8970,8810.862.95
SecureCore75,3920.8566,0950.805.92
Google Trust Services70,3280.7968,6610.83-4.89
SomeOrganization63,8320.7259,7470.73-0.79
none62,4010.7055,9510.683.56
ispgateway58,1020.6653,4820.650.88
Gehirn Inc.56,7690.6449,0140.607.55
Microsoft Corporation52,9780.6049,7290.60-1.07
Internet249,7010.5647,5400.58-2.92
TERENA49,1300.5546,5090.57-1.91
Unizeto Technologies S.A.48,5490.5546,3290.56-2.69
GeoTrust Inc.41,3760.4738,9370.47-1.32
Trustwave Holdings, Inc.38,7860.4436,1430.44-0.35
Parallels37,0620.4234,6010.42-0.54
Entrust, Inc.35,7500.4034,2620.42-3.11
DreamHost35,2700.4030,5430.377.23
Odin34,1040.3831,0260.382.07
Gandi31,9220.3630,4950.37-2.80
home.pl S.A.28,8540.3326,2490.322.07
Actalis S.p.A./0335852096726,8450.3023,5980.295.64
Webhosting20,4120.2317,9540.225.57
SECOM Trust Systems CO.,LTD.17,9870.2017,3010.21-3.46
Cybertrust Japan Co., Ltd.17,9600.2016,8950.21-1.29
QuoVadis Limited16,5950.1915,8900.19-3.02
Network Solutions L.L.C.16,5560.1916,1790.20-4.98
Apache HTTP Server15,9880.1815,7640.19-5.82
nazwa.pl sp. z o.o.15,8210.1814,4940.181.36
Internet Widgits Pty Ltd14,5160.1613,8190.17-2.46
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.13,2410.1512,6660.15-2.93
WebSupport, s.r.o.11,7150.1310,4550.134.05
TrustAsia Technologies, Inc.11,4320.139,7900.128.43
Japan Registry Services Co., Ltd.11,3940.1310,0280.125.51
Caddy Self-Signed9,9000.119,9970.12-8.04
Trust Provider B.V.9,5950.118,7970.111.28
Corporation Service Company9,2760.108,7280.11-1.31
SH7,8550.097,1590.091.89
Acme Co7,7980.096,9270.084.54
GoGetSSL7,5290.085,2770.0632.49
World4You Internet Services GmbH7,4750.086,4940.086.89
io.ua6,4920.076,4020.08-5.84
Default Company Ltd5,9760.075,2540.065.62
The Trustico Group Ltd5,7000.065,2020.061.75
StartCom Ltd.5,5590.065,4770.07-5.75
WEDOS Internet, a.s.5,3740.065,4940.07-9.17
DOMENY.PL sp. z o.o5,2670.063,4320.0442.51
KAGOYA-JAPAN5,2320.064,7110.063.13
Test Self SSL Company5,2100.064,5630.066.03
thawte, Inc.4,8930.064,7090.06-3.51
XX4,5820.053,9890.056.66
GeoTrust, Inc.4,2380.054,0230.05-2.18
www.sprinthost.ru4,1580.053,6430.045.99
Comodo Limited3,9940.053,9380.05-5.82
Dreamcommerce S.A.3,7460.043,5110.04-0.93
Pizza-Taxi.de GmbH / CA3,7360.043,6650.04-5.34
HydrantID (Avalanche Cloud Corporation)3,6040.043,4610.04-3.30
National Institute of Informatics3,5490.043,3760.04-2.38
SwissSign AG3,5090.043,3240.04-1.97
Rede Nacional de Ensino e Pesquisa - RNP3,3780.043,1600.04-0.73
TAIWAN-CA3,3310.043,0930.040.00
Mirohost3,1420.042,8730.031.55
T-Systems International GmbH3,1350.042,9560.04-1.52
Buypass AS-9831633272,8240.032,6200.030.09
Verisign2,7210.032,4080.034.93
NetLock Kft.2,4680.032,2720.030.87
Guardian Inc.2,4220.032,3190.03-3.02
Symantec Corporation2,3460.032,2820.03-4.54
SSL Corporation2,2320.032,0000.023.63
dhosting.pl Sp. z o.o.2,2220.032,0270.021.79
DealerInspire2,2030.021,9400.025.45
GMO CLOUD K.K.2,1990.021,9310.025.75
WoSign CA Limited2,1490.022,2550.03-11.51
MyCompany2,0890.022,0310.02-4.49
EUNETIC GmbH2,0700.021,9250.02-0.15
SSL Server1,9650.021,9590.02-6.86
CertCenter AG1,9590.022,0460.02-11.09
o2switch1,9190.021,7390.022.47
WoTrus CA Limited1,9170.021,7150.023.80
AC Camerfirma S.A.1,7480.021,7120.02-5.19
ONEsolution s.r.o.1,7460.021,5090.027.44
Soluciones Corporativas IP, SL1,7420.021,6010.021.04
N/A1,7270.021,5560.023.06
Basekit Ltd1,7200.021,4810.027.84
Comvive Servidores SL1,7040.021,5430.022.55
Globe Hosting, Inc.1,6990.021,5350.022.78
Unspecified1,6920.021,4390.029.19
OVH1,6760.021,6480.02-5.56
Fasthosts Internet Limited1,6430.021,4190.027.52
SSL.com1,5950.021,6130.02-8.18
Greenhost1,5200.0200.00N/A

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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