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You are viewing an outdated report. The latest version of this report was published on June 1st, 2021


    
Certificate Authority Market Share Report
February 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 January 2017
Count
January 2017
%
December 2016
Count
December 2016
%
Growth
%
GoDaddy.com, Inc.635,65019.10622,91319.78-3.42
DigiCert608,99318.30505,14216.0414.11
COMODO CA Limited495,94214.91487,96215.50-3.80
GeoTrust Inc.419,45312.61401,24212.74-1.06
GlobalSign nv-sa231,6076.96220,9567.02-0.79
Symantec Corporation123,7723.72123,2143.91-4.92
Gandi91,6382.7590,8052.88-4.48
Let's Encrypt75,7512.2866,5312.117.76
thawte, Inc.73,0152.1972,5092.30-4.69
Starfield Technologies, Inc.43,5021.3142,6491.35-3.46
Unizeto Technologies S.A.34,1211.0333,8111.07-4.48
Microsoft Corporation33,8051.0233,2131.05-3.66
StartCom Ltd.33,1871.0034,1971.09-8.15
Unknown30,0970.9029,0940.92-2.09
Internet228,8780.8728,2620.90-3.29
Entrust, Inc.25,9630.7825,7730.82-4.65
TERENA24,1400.7323,8380.76-4.15
Network Solutions L.L.C.20,9450.6321,3610.68-7.20
Amazon18,5110.5617,6460.56-0.71
Parallels17,5820.5317,3620.55-4.15
cPanel, Inc.17,3970.5214,5520.4613.15
Google Inc16,5200.5015,2660.482.42
GeoTrust, Inc.15,0710.4515,9800.51-10.74
Trustwave Holdings, Inc.12,6230.3812,6030.40-5.20
SomeOrganization11,7370.3511,2270.36-1.05
QuoVadis Limited8,4260.258,2770.26-3.65
Verizon Enterprise Solutions7,8420.245,2650.1740.97
none7,8000.237,2750.231.48
Cybertrust Japan Co., Ltd.6,4160.196,2190.20-2.35
WoSign CA Limited5,6450.175,6100.18-4.76
DreamHost5,2110.164,8590.151.50
Odin5,1770.164,8330.151.38
Verisign4,1490.124,5030.14-12.79
Comodo Limited4,1150.124,1250.13-5.58
Thawte, Inc.3,8520.124,1260.13-11.64
SecureCore3,7600.113,5090.111.42
SECOM Trust Systems CO.,LTD.3,5630.113,5450.11-4.87
ispgateway3,2870.103,2400.10-3.98
Internet Widgits Pty Ltd2,9500.092,6920.093.72
Corporation Service Company2,9460.092,8910.09-3.55
nazwa.pl sp. z o.o.2,7380.082,6670.08-2.83
KDDI Web Communications Inc.2,4930.072,4450.08-3.49
Hostpoint GmbH2,4100.072,1190.077.65
home.pl S.A.2,2780.072,0140.067.05
AlphaSSL2,2090.072,2860.07-8.54
CloudFlare, Inc.2,1340.062,0810.07-2.94
National Institute of Informatics2,0270.061,9910.06-3.64
Government of Korea1,9750.061,9220.06-2.74
Equifax (Geotrust)1,7440.051,7900.06-7.78
T-Systems International GmbH1,7200.051,7230.05-5.52
SSL.com1,6840.051,6770.05-4.96
Trust Provider B.V.1,6640.051,5760.05-0.07
Volusion, Inc.1,5040.051,5850.05-10.19
TAIWAN-CA1,4140.041,3520.04-1.01
DOMENY.PL sp. z o.o1,3520.041,3090.04-2.24
Pizza-Taxi.de GmbH / CA1,2490.041,0820.039.26
EUNETIC GmbH1,2280.041,2120.04-4.10
U.S. Government1,1680.041,1610.04-4.78
UIC1,1590.031,1560.04-5.11
Rede Nacional de Ensino e Pesquisa - RNP1,0590.031,0230.03-2.02
KEYNECTIS1,0590.039980.030.43
SwissSign AG1,0120.031,0000.03-4.22
Trend Micro Inc9800.039660.03-3.98
NetLock Kft.9700.039590.03-4.27
Intermediate Certificate8940.039280.03-8.82
CAcert Inc.8040.028510.03-10.58
WebSupport, s.r.o.7650.027280.02-0.54
Root CA6630.027260.02-13.57
Dreamcommerce S.A.6570.026310.02-1.45
Comodo CA Limited6570.026930.02-10.27
Actalis S.p.A./033585209676270.026080.02-2.39
Zimbra Collaboration Server6210.026250.02-5.96
FNMT-RCM6200.026070.02-3.32
TBS INTERNET6030.025930.02-3.76
Plesk5940.024020.0139.85
Globe Hosting, Inc.5870.025780.02-3.88
Thawte5810.025910.02-6.95
AC Camerfirma S.A.5340.025130.02-1.48
KPN Corporate Market BV5270.025340.02-6.59
ICP-Brasil5270.025380.02-7.29
ACCV5050.024990.02-4.21
Parallels, Inc.4920.014830.02-3.59
Buypass AS-9831633274840.014510.011.57
GANDI SAS4670.015120.02-13.67
SWsoft, Inc.4610.014690.01-6.97
Hosting Ukraine LLC4380.013770.019.96
Default Company Ltd4200.013900.011.93
Japan Registry Services Co., Ltd.4090.013690.014.91
XX3990.014010.01-5.82
FIDUCIA & GAD IT AG3770.013730.01-4.34
WEDOS Internet, a.s.3650.013360.012.82
Firstserver, Inc3600.013670.01-7.16
Universitaet Stuttgart3480.013440.01-4.25
Snake Oil, Ltd3420.013480.01-6.98
CrossTrust3290.013370.01-7.60
Apache HTTP Server3150.013040.01-1.93
Yandex LLC3130.013190.01-7.13
Test Self SSL Company2920.012780.01-0.59
Dell Inc.2830.013360.01-20.28
Karlsruhe Institute of Technology2770.012730.01-3.97

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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