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You are viewing an outdated report.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
May 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 April 2017
Count
April 2017
%
March 2017
Count
March 2017
%
Growth
%
DigiCert496,39241.621,056,44727.1553.32
GoDaddy.com, Inc.201,11716.86662,69517.03-0.97
COMODO CA Limited121,45010.18504,30112.96-21.42
GeoTrust Inc.89,2357.48426,43710.96-31.72
GlobalSign nv-sa55,5274.66248,2466.38-27.01
Symantec Corporation30,8882.59123,4143.17-18.33
Let's Encrypt23,7371.99108,5602.79-28.65
Gandi18,1601.5293,6122.41-36.70
thawte, Inc.14,2221.1973,1671.88-36.57
Microsoft Corporation12,9441.0934,9960.9020.69
Amazon10,5860.8925,1520.6537.33
Starfield Technologies, Inc.9,9890.8445,3991.17-28.21
Unizeto Technologies S.A.9,8560.8334,3700.88-6.43
Google Inc8,9690.7520,2080.5244.82
Internet28,9090.7529,3320.75-0.89
Entrust, Inc.6,6080.5526,2970.68-18.01
Unknown6,4510.5433,6810.87-37.50
TERENA6,4410.5424,5990.63-14.56
StartCom Ltd.5,5220.4626,5120.68-32.04
cPanel, Inc.4,7560.4025,3030.65-38.67
Network Solutions L.L.C.4,4840.3820,5750.53-28.89
Trustwave Holdings, Inc.2,5210.2112,9810.33-36.63
Parallels2,4280.2017,9010.46-55.74
SomeOrganization2,2360.1912,5920.32-42.06
QuoVadis Limited1,9740.178,7060.22-26.01
GeoTrust, Inc.1,7730.1511,5650.30-49.98
Pizza-Taxi.de GmbH / CA1,5100.131,5620.04215.44
Internet Widgits Pty Ltd1,2660.113,5490.0916.40
Cybertrust Japan Co., Ltd.1,1600.106,7330.17-43.78
none1,1080.099,0410.23-60.01
DreamHost1,0550.096,0660.16-43.25
WoSign CA Limited9250.085,4380.14-44.50
CloudFlare, Inc.8000.072,3430.0611.41
SSL.com7790.072,4360.064.35
Odin7340.066,0880.16-60.66
home.pl S.A.7320.063,2240.08-25.91
Comodo Limited6820.064,0550.10-45.12
nazwa.pl sp. z o.o.6800.063,3820.09-34.39
SecureCore6740.064,4820.12-50.93
Corporation Service Company6700.062,9880.08-26.83
Verizon Enterprise Solutions5360.044,4280.11-60.50
io.ua5330.0400.00N/A
Verisign5190.043,1760.08-46.68
Government of Korea4560.042,0020.05-25.68
Thawte, Inc.4330.042,9840.08-52.65
TAIWAN-CA4250.041,5050.04-7.86
ispgateway3710.033,3710.09-64.09
Hostpoint GmbH3670.033,0460.08-60.69
SECOM Trust Systems CO.,LTD.3490.033,5310.09-67.75
UIC3440.031,1640.03-3.57
National Institute of Informatics3350.032,0660.05-47.09
U.S. Government3060.031,1470.03-12.95
DOMENY.PL sp. z o.o2940.021,4240.04-32.63
KEYNECTIS2850.021,1410.03-18.50
Trust Provider B.V.2740.022,1460.06-58.34
T-Systems International GmbH2710.021,7060.04-48.17
Plesk2670.021,4640.04-40.49
Equifax (Geotrust)2600.021,5950.04-46.81
SwissSign AG2490.021,1210.03-27.52
Rede Nacional de Ensino e Pesquisa - RNP2370.021,1430.03-32.34
EUNETIC GmbH2340.021,2520.03-39.01
NetLock Kft.2140.029880.03-29.32
AlphaSSL2050.021,5020.04-55.47
ACCV1950.025100.0124.76
Hosting Ukraine LLC1840.026320.02-5.00
AC Camerfirma S.A.1780.016240.02-6.92
Dreamcommerce S.A.1700.017280.02-23.80
WebSupport, s.r.o.1650.019860.03-45.40
CAcert Inc.1600.017290.02-28.38
Trend Micro Inc1580.018690.02-40.67
TBS INTERNET1560.016240.02-18.43
HydrantID (Avalanche Cloud Corporation)1480.014460.018.28
FNMT-RCM1350.016210.02-29.07
ICP-Brasil1300.015540.01-23.43
KDDI Web Communications Inc.1230.012,5540.07-84.29
Root CA1140.016340.02-41.33
Globe Hosting, Inc.1120.016020.02-39.29
Default Company Ltd1070.014680.01-25.40
XX1050.014580.01-25.19
Buypass AS-983163327990.015440.01-40.62
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.980.013980.01-19.65
Test Self SSL Company970.013960.01-20.07
KPN Corporate Market BV970.014640.01-31.79
sangfor920.0100.00N/A
Yandex LLC920.013190.01-5.89
Intexmedia870.0100.00N/A
Snake Oil, Ltd840.0100.00N/A
Intermediate Certificate840.016440.02-57.44
GANDI SAS790.013680.01-29.95
Sangfor Ltd770.0100.00N/A
MyCompany760.0100.00N/A
Apache HTTP Server750.013560.01-31.26
Zimbra Collaboration Server730.016160.02-61.33
CONSORCI ADMINISTRACIO OBERTA DE CATALUNYA710.0100.00N/A
Actalis S.p.A./03358520967650.017850.02-72.98
Parallels, Inc.630.014480.01-54.11
Japan Registry Services Co., Ltd.630.016130.02-66.47
Comodo CA Limited630.015770.01-64.37
SH620.0100.00N/A
SVT610.0100.00N/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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