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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
February 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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA January 2020
Count
January 2020
%
December 2019
Count
December 2019
%
Growth
%
Let's Encrypt2,006,40021.751,871,96621.132.92
COMODO CA Limited1,511,27816.381,529,03317.26-5.09
DigiCert1,329,37714.411,296,86214.64-1.57
Sectigo Limited695,6647.54638,4227.214.63
GlobalSign nv-sa513,2805.56501,4015.66-1.70
cPanel, Inc.470,7195.10445,4755.031.46
GoDaddy.com, Inc.382,5734.15339,5703.838.18
Unknown320,6583.48305,4953.450.79
Amazon178,7981.94170,8911.930.46
Starfield Technologies, Inc.156,7341.70159,3701.80-5.57
CloudFlare, Inc.93,9691.0289,3371.011.00
Plesk83,2270.9078,5870.891.69
SecureCore80,4020.8775,3920.852.40
Google Trust Services71,3730.7770,3280.79-2.55
SomeOrganization67,1980.7363,8320.721.08
none65,3490.7162,4010.700.56
Gehirn Inc.60,9550.6656,7690.643.10
ispgateway60,3540.6558,1020.66-0.26
Microsoft Corporation54,4650.5952,9780.60-1.28
TERENA50,3620.5549,1300.55-1.57
Internet250,2630.5449,7010.56-2.89
Unizeto Technologies S.A.49,2820.5348,5490.55-2.53
GeoTrust Inc.42,7400.4641,3760.47-0.81
Parallels38,2490.4137,0620.42-0.90
DreamHost37,8240.4135,2700.402.97
Entrust, Inc.36,3330.3935,7500.40-2.41
Odin35,6790.3934,1040.380.46
Trustwave Holdings, Inc.33,1980.3638,7860.44-17.81
Gandi32,4890.3531,9220.36-2.27
home.pl S.A.30,0130.3328,8540.33-0.12
Actalis S.p.A./0335852096728,6650.3126,8450.302.53
Webhosting21,7700.2420,4120.232.41
Cybertrust Japan Co., Ltd.18,3950.2017,9600.20-1.65
SECOM Trust Systems CO.,LTD.18,0760.2017,9870.20-3.50
QuoVadis Limited16,8980.1816,5950.19-2.23
Network Solutions L.L.C.16,3510.1816,5560.19-5.17
nazwa.pl sp. z o.o.16,3050.1815,8210.18-1.04
Apache HTTP Server16,1480.1815,9880.18-3.02
Internet Widgits Pty Ltd14,8920.1614,5160.16-1.49
TrustAsia Technologies, Inc.13,5180.1511,4320.1313.54
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.13,4340.1513,2410.15-2.58
Japan Registry Services Co., Ltd.12,6140.1411,3940.136.30
WebSupport, s.r.o.12,3940.1311,7150.131.59
Trust Provider B.V.9,9830.119,5950.11-0.10
Caddy Self-Signed9,9400.119,9000.11-3.59
Corporation Service Company9,5770.109,2760.10-0.86
GoGetSSL9,0130.107,5290.0814.95
SH8,5630.097,8550.094.68
Acme Co8,5330.097,7980.095.07
World4You Internet Services GmbH8,0160.097,4750.082.97
io.ua6,5540.076,4920.07-3.06
Default Company Ltd6,5170.075,9760.074.71
The Trustico Group Ltd5,9320.065,7000.06-0.07
WEDOS Internet, a.s.5,6580.065,3740.061.10
KAGOYA-JAPAN5,5510.065,2320.061.88
StartCom Ltd.5,5240.065,5590.06-4.58
Test Self SSL Company5,4950.065,2100.061.27
DOMENY.PL sp. z o.o5,3660.065,2670.06-2.17
thawte, Inc.4,8700.054,8930.06-4.43
XX4,5930.054,5820.05-3.75
www.sprinthost.ru4,4170.054,1580.052.00
GeoTrust, Inc.4,3530.054,2380.05-1.37
Comodo Limited4,1490.043,9940.05-0.25
Dreamcommerce S.A.3,8410.043,7460.04-1.54
Pizza-Taxi.de GmbH / CA3,7730.043,7360.04-3.03
National Institute of Informatics3,6220.043,5490.04-2.00
HydrantID (Avalanche Cloud Corporation)3,5900.043,6040.04-4.35
SwissSign AG3,5510.043,5090.04-2.83
Rede Nacional de Ensino e Pesquisa - RNP3,4890.043,3780.04-0.82
TAIWAN-CA3,4640.043,3310.04-0.14
Mirohost3,2870.043,1420.040.45
T-Systems International GmbH3,2290.043,1350.04-1.10
Buypass AS-9831633272,9210.032,8240.03-0.68
Verisign2,8590.032,7210.030.89
NetLock Kft.2,6310.032,4680.032.36
dhosting.pl Sp. z o.o.2,5640.032,2220.0310.80
Guardian Inc.2,5170.032,4220.03-0.21
SSL Corporation2,4470.032,2320.035.27
DealerInspire2,3900.032,2030.024.17
Symantec Corporation2,3580.032,3460.03-3.49
GMO CLOUD K.K.2,3260.032,1990.021.57
MyCompany2,1600.022,0890.02-0.72
WoSign CA Limited2,1550.022,1490.02-3.71
EUNETIC GmbH2,1370.022,0700.02-0.87
o2switch2,0650.021,9190.023.33
SSL Server1,9590.021,9650.02-4.27
Unspecified1,9010.021,6920.027.88
ONEsolution s.r.o.1,8560.021,7460.022.07
Basekit Ltd1,8490.021,7200.023.22
Soluciones Corporativas IP, SL1,8430.021,7420.021.59
N/A1,8370.021,7270.022.14
Globe Hosting, Inc.1,8170.021,6990.022.69
Comvive Servidores SL1,8050.021,7040.021.71
OVH1,7750.021,6760.021.69
AC Camerfirma S.A.1,7570.021,7480.02-3.48
CertCenter AG1,7200.021,9590.02-15.69
Fasthosts Internet Limited1,7110.021,6430.02-0.00
Greenhost1,6220.021,5200.022.46
FASTVPS1,5120.0200.00N/A
SSL.com1,4910.021,5950.02-10.24

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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