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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
June 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 May 2020
Count
May 2020
%
April 2020
Count
April 2020
%
Growth
%
Let's Encrypt2,240,43122.192,218,88022.36-0.75
DigiCert1,429,51114.161,397,59214.080.54
COMODO CA Limited1,295,12612.831,324,22813.34-3.86
Sectigo Limited1,026,30310.17959,5399.675.14
GlobalSign nv-sa554,6785.49547,6875.52-0.45
cPanel, Inc.552,7925.48531,7455.362.19
GoDaddy.com, Inc.390,2733.87387,8063.91-1.08
Unknown352,1533.49345,0633.480.32
Amazon201,6552.00192,7851.942.82
Starfield Technologies, Inc.196,4751.95189,7901.911.76
CloudFlare, Inc.141,1101.40136,1481.371.88
SecureCore93,7610.9391,4160.920.82
Plesk92,7890.9292,0300.93-0.89
Google Trust Services79,8890.7977,4430.781.40
none73,6760.7372,2020.730.31
SomeOrganization72,6340.7272,9950.74-2.19
Gehirn Inc.71,7770.7169,1650.702.01
Unizeto Technologies S.A.69,0850.6866,6500.671.89
ispgateway63,1540.6362,5150.63-0.70
Microsoft Corporation58,9510.5858,1790.59-0.40
TERENA52,6290.5253,3660.54-3.06
Internet252,4630.5251,8100.52-0.46
DreamHost45,3650.4543,5150.442.48
Parallels38,4870.3838,6840.39-2.20
GeoTrust Inc.37,9040.3837,4750.38-0.58
Odin37,6660.3737,2120.37-0.50
Entrust, Inc.36,6180.3637,0040.37-2.73
home.pl S.A.36,1330.3635,3170.360.57
Trustwave Holdings, Inc.34,3210.3434,7210.35-2.83
Gandi34,2200.3433,8500.34-0.63
Actalis S.p.A./0335852096733,4410.3332,4630.331.26
Webhosting24,9490.2524,1050.241.74
GoGetSSL19,7350.2017,8830.188.48
TrustAsia Technologies, Inc.18,7370.1916,9050.178.95
QuoVadis Limited17,8120.1817,5980.18-0.51
Cybertrust Japan Co., Ltd.16,8560.1719,7750.20-16.21
SECOM Trust Systems CO.,LTD.16,7690.1717,0570.17-3.36
Japan Registry Services Co., Ltd.16,6630.1715,8150.163.57
Apache HTTP Server16,5290.1616,5000.17-1.53
Network Solutions L.L.C.15,4360.1515,8300.16-4.15
Internet Widgits Pty Ltd15,2980.1515,0240.150.09
WebSupport, s.r.o.14,1530.1413,6850.141.66
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.14,1480.1414,0740.14-1.18
Acme Co11,1800.1110,2350.107.38
Trust Provider B.V.10,8740.1110,7220.11-0.31
SH10,0050.109,4210.094.39
Default Company Ltd9,8060.108,8930.098.39
WEDOS Internet, a.s.9,6560.109,3320.091.71
World4You Internet Services GmbH9,4110.099,0790.091.89
Corporation Service Company8,8600.0910,1060.10-13.82
DOMENY.PL sp. z o.o7,1350.076,5950.076.35
KAGOYA-JAPAN6,7570.076,5360.071.62
Test Self SSL Company6,6570.076,3640.062.82
Caddy Self-Signed6,1370.068,5000.09-29.03
The Trustico Group Ltd6,1040.065,9110.061.51
www.sprinthost.ru5,4860.055,2320.053.07
FASTVPS5,3650.055,2710.050.05
StartCom Ltd.5,0920.055,1330.05-2.49
thawte, Inc.4,4910.044,4870.05-1.61
Dreamcommerce S.A.4,3570.044,2590.040.56
XX4,1980.044,0790.041.17
Comodo Limited4,0290.044,3910.04-9.80
GeoTrust, Inc.4,0250.044,0500.04-2.31
TAIWAN-CA3,9730.043,8950.040.27
Rede Nacional de Ensino e Pesquisa - RNP3,9030.043,7650.041.90
National Institute of Informatics3,8330.043,7890.04-0.56
Mirohost3,6880.043,5980.040.76
T-Systems International GmbH3,6600.043,5780.040.55
SwissSign AG3,6440.043,7260.04-3.86
Buypass AS-9831633273,2020.033,1300.030.56
dhosting.pl Sp. z o.o.3,1600.032,9820.034.17
SSL Corporation3,1360.033,0160.032.21
o2switch3,0130.032,7970.035.89
Verisign2,9000.032,8730.03-0.78
Unspecified2,8990.032,6290.038.39
HydrantID (Avalanche Cloud Corporation)2,8490.033,4510.03-18.85
GMO CLOUD K.K.2,8380.032,6720.034.41
N/A2,8260.032,7860.03-0.29
NetLock Kft.2,8070.032,7510.030.30
Guardian Inc.2,7890.032,7620.03-0.74
DealerInspire2,7460.032,6850.030.53
nazwa.pl sp. z o.o.2,6570.032,6610.03-1.85
unaone2,4490.0200.00N/A
Basekit Ltd2,4260.022,2960.023.86
MyCompany2,2870.022,2520.02-0.17
Soluciones Corporativas IP, SL2,2770.022,1720.023.05
SSL Server2,2070.022,1000.023.31
Symantec Corporation2,1860.022,2730.02-5.46
ONEsolution s.r.o.2,1360.022,0780.021.04
EUNETIC GmbH2,0740.022,1750.02-6.27
Bitrix2,0490.021,7580.0214.57
WoTrus CA Limited1,9920.021,8760.024.38
WoSign CA Limited1,9520.022,0000.02-4.06
Fasthosts Internet Limited1,9440.021,8920.021.00
GEANT Vereniging1,9370.0200.00N/A
OVH1,9050.021,9040.02-1.65
Globe Hosting, Inc.1,8560.021,9460.02-6.25
AC Camerfirma S.A.1,8550.021,8490.02-1.38
Comvive Servidores SL1,8260.021,8110.02-0.89
Greenhost1,8180.021,7650.021.25

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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