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You are viewing an outdated report. The latest version of this report was published on December 1st, 2022


    
Certificate Authority Market Share Report
August 1st, 2017

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 July 2017
Count
July 2017
%
June 2017
Count
June 2017
%
Growth
%
DigiCert3,478,96853.102,623,87046.8813.27
GoDaddy.com, Inc.689,70510.53678,64312.13-13.18
COMODO CA Limited587,7718.97542,7529.70-7.49
GeoTrust Inc.421,8106.44417,8677.47-13.77
GlobalSign nv-sa272,0534.15263,8784.71-11.93
Let's Encrypt164,6662.51145,3292.60-3.21
Symantec Corporation124,8441.91124,6272.23-14.42
Gandi96,0431.4795,5911.71-14.17
thawte, Inc.72,0251.1071,9511.29-14.48
Starfield Technologies, Inc.47,6690.7346,0200.82-11.51
Unknown44,1300.6738,6610.69-2.49
Amazon43,5930.6740,7300.73-8.57
cPanel, Inc.42,0660.6436,2120.65-0.76
Microsoft Corporation37,2570.5736,1180.65-11.88
Internet229,8540.4629,4050.53-13.27
Google Inc25,9630.4023,9800.43-7.51
TERENA25,8090.3925,3590.45-13.06
Entrust, Inc.23,2040.3526,5690.47-25.39
Network Solutions L.L.C.19,5440.3020,0340.36-16.66
Parallels18,1720.2818,2360.33-14.87
StartCom Ltd.18,1430.2819,0640.34-18.70
Trustwave Holdings, Inc.15,9220.2413,5460.240.41
SomeOrganization13,7940.2113,0980.23-10.03
Unizeto Technologies S.A.13,3930.2035,6680.64-67.92
none11,3670.1710,4070.19-6.69
QuoVadis Limited9,0980.149,0430.16-14.05
GeoTrust, Inc.8,8270.139,3160.17-19.06
DreamHost7,5780.127,0200.13-7.78
Odin7,2640.116,7810.12-8.49
Cybertrust Japan Co., Ltd.7,2410.117,0710.13-12.52
NN.RU7,0390.1100.00N/A
SecureCore6,1080.095,4530.10-4.31
home.pl S.A.4,4780.074,1640.07-8.13
Internet Widgits Pty Ltd4,4550.074,1430.07-8.14
SSL.com4,1890.063,5350.061.23
Plesk4,1030.062,8560.0522.73
Hostpoint GmbH4,0430.063,6520.07-5.43
Comodo Limited3,5850.053,7750.07-18.87
nazwa.pl sp. z o.o.3,5130.053,5730.06-16.01
ispgateway3,4480.053,4030.06-13.44
SECOM Trust Systems CO.,LTD.3,3850.053,4180.06-15.40
Corporation Service Company2,8680.042,8180.05-13.06
KDDI Web Communications Inc.2,7130.042,6550.05-12.71
CloudFlare, Inc.2,6530.042,7800.05-18.47
io.ua2,3990.042,1120.04-2.96
Verisign2,3650.042,4910.04-18.89
Trust Provider B.V.2,3330.042,2100.04-9.82
Thawte, Inc.2,3020.042,4570.04-19.96
National Institute of Informatics2,1270.032,0970.04-13.35
Pizza-Taxi.de GmbH / CA2,0740.031,9090.03-7.19
WoSign CA Limited2,0400.032,2040.04-20.93
Government of Korea2,0180.032,0140.04-14.40
T-Systems International GmbH1,6850.031,6660.03-13.60
Equifax (Geotrust)1,5470.021,5810.03-16.41
TAIWAN-CA1,5330.021,4970.03-12.52
DOMENY.PL sp. z o.o1,5210.021,4320.03-9.26
WebSupport, s.r.o.1,5040.021,3070.02-1.70
Actalis S.p.A./033585209671,3210.021,0820.024.30
SwissSign AG1,2450.021,2290.02-13.46
AlphaSSL1,2160.021,2410.02-16.29
KEYNECTIS1,2130.021,1630.02-10.90
EUNETIC GmbH1,2110.021,2010.02-13.86
Rede Nacional de Ensino e Pesquisa - RNP1,1990.021,1840.02-13.49
UIC1,1670.021,1670.02-14.57
Hosting Ukraine LLC1,1150.029160.023.99
U.S. Government1,0910.021,0790.02-13.62
NetLock Kft.1,0290.021,0100.02-12.97
Default Company Ltd9860.029170.02-8.14
Japan Registry Services Co., Ltd.9350.018380.01-4.68
AC Camerfirma S.A.8970.018570.02-10.58
Dreamcommerce S.A.8530.018080.01-9.81
Volusion, Inc.8500.019200.02-21.07
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.7970.016670.012.08
Trend Micro Inc7020.017360.01-18.52
Globe Hosting, Inc.7010.016620.01-9.54
CAcert Inc.6600.016690.01-15.72
Webhosting6420.014740.0115.71
TBS INTERNET6330.016280.01-13.89
Nijimo, Inc.6280.015510.01-2.63
FNMT-RCM6260.016220.01-14.02
Test Self SSL Company6190.015210.011.50
WEDOS Internet, a.s.6160.015490.01-4.15
Buypass AS-9831633275980.015840.01-12.52
Zimbra Collaboration Server5840.015870.01-15.01
Intermediate Certificate5840.015910.01-15.58
XX5720.015070.01-3.62
ACCV5290.015270.01-14.25
Root CA5280.015470.01-17.54
Verizon Enterprise Solutions5170.015660.01-21.97
Comodo CA Limited5030.015170.01-16.89
ICP-Brasil4980.015030.01-15.42
Thawte4700.014960.01-19.05
HydrantID (Avalanche Cloud Corporation)4690.014630.01-13.47
Apache HTTP Server4630.014340.01-8.86
AffirmTrust4330.013870.01-4.42
Beijing Knownsec Information Technology Co., Ltd4280.0100.00N/A
SH4120.0100.00N/A
SWsoft, Inc.3820.013920.01-16.75
Intexmedia3790.0100.00N/A
Parallels, Inc.3650.013930.01-20.66

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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