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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
March 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 February 2017
Count
February 2017
%
January 2017
Count
January 2017
%
Growth
%
DigiCert836,89223.16608,99318.3026.53
GoDaddy.com, Inc.647,58417.92635,65019.10-6.20
COMODO CA Limited503,40513.93495,94214.91-6.54
GeoTrust Inc.419,29511.60419,45312.61-7.96
GlobalSign nv-sa240,1296.64231,6076.96-4.54
Symantec Corporation119,0223.29123,7723.72-11.46
Gandi92,7422.5791,6382.75-6.82
Let's Encrypt91,6062.5375,7512.2811.34
thawte, Inc.72,9272.0273,0152.19-8.04
Starfield Technologies, Inc.44,5351.2343,5021.31-5.74
Unizeto Technologies S.A.34,5180.9634,1211.03-6.86
Microsoft Corporation34,4680.9533,8051.02-6.12
Unknown31,7650.8830,0970.90-2.83
StartCom Ltd.30,0510.8333,1871.00-16.63
Internet229,2450.8128,8780.87-6.76
Amazon28,6930.7918,5110.5642.72
Entrust, Inc.26,0870.7225,9630.78-7.49
TERENA24,3450.6724,1400.73-7.15
cPanel, Inc.21,0090.5817,3970.5211.19
Network Solutions L.L.C.20,8540.5820,9450.63-8.33
Google Inc18,0990.5016,5200.500.87
Parallels17,5900.4917,5820.53-7.89
GeoTrust, Inc.13,1010.3615,0710.45-19.96
Trustwave Holdings, Inc.12,6820.3512,6230.38-7.50
SomeOrganization12,1950.3411,7370.35-4.34
QuoVadis Limited8,6370.248,4260.25-5.62
none8,4510.237,8000.23-0.24
Verizon Enterprise Solutions7,5300.217,8420.24-11.59
Cybertrust Japan Co., Ltd.6,5940.186,4160.19-5.37
Odin5,6610.165,1770.160.68
WoSign CA Limited5,5950.155,6450.17-8.74
DreamHost5,5910.155,2110.16-1.21
SecureCore4,1430.113,7600.111.45
Comodo Limited4,0750.114,1150.12-8.82
Verisign3,6100.104,1490.12-19.89
SECOM Trust Systems CO.,LTD.3,5580.103,5630.11-8.06
Thawte, Inc.3,4160.093,8520.12-18.35
ispgateway3,3200.093,2870.10-7.00
Internet Widgits Pty Ltd3,2490.092,9500.091.40
Corporation Service Company2,9370.082,9460.09-8.21
nazwa.pl sp. z o.o.2,8400.082,7380.08-4.50
Hostpoint GmbH2,7450.082,4100.074.87
home.pl S.A.2,7210.082,2780.079.98
KDDI Web Communications Inc.2,5360.072,4930.07-6.34
CloudFlare, Inc.2,2010.062,1340.06-5.04
National Institute of Informatics2,0700.062,0270.06-5.98
AlphaSSL2,0540.062,2090.07-14.39
Trust Provider B.V.1,9510.051,6640.057.95
Government of Korea1,9390.051,9750.06-9.61
SSL.com1,8710.051,6840.052.30
T-Systems International GmbH1,7210.051,7200.05-7.88
Equifax (Geotrust)1,6400.051,7440.05-13.42
TAIWAN-CA1,4620.041,4140.04-4.80
Pizza-Taxi.de GmbH / CA1,4220.041,2490.044.82
DOMENY.PL sp. z o.o1,4030.041,3520.04-4.46
Volusion, Inc.1,3720.041,5040.05-16.01
EUNETIC GmbH1,2380.031,2280.04-7.18
UIC1,1620.031,1590.03-7.69
U.S. Government1,1410.031,1680.04-10.06
SwissSign AG1,1120.031,0120.031.17
KEYNECTIS1,1000.031,0590.03-4.36
NetLock Kft.9980.039700.03-5.27
Plesk9770.035940.0251.44
Trend Micro Inc9280.039800.03-12.81
Rede Nacional de Ensino e Pesquisa - RNP8670.021,0590.03-24.62
WebSupport, s.r.o.8300.027650.02-0.11
CAcert Inc.7640.028040.02-12.51
Intermediate Certificate7290.028940.03-24.92
Dreamcommerce S.A.7010.026570.02-1.76
Actalis S.p.A./033585209676940.026270.021.91
Root CA6620.026630.02-8.07
Zimbra Collaboration Server6290.026210.02-6.74
Comodo CA Limited6160.026570.02-13.67
TBS INTERNET6140.026030.02-6.25
FNMT-RCM6060.026200.02-10.01
AC Camerfirma S.A.6030.025340.023.97
Globe Hosting, Inc.5920.025870.02-7.14
ICP-Brasil5610.025270.02-1.99
Thawte5590.025810.02-11.41
Hosting Ukraine LLC5270.014380.0110.78
Buypass AS-9831633275260.014840.010.06
KPN Corporate Market BV5110.015270.02-10.72
ACCV5030.015050.02-8.29
Japan Registry Services Co., Ltd.4900.014090.0110.31
SWsoft, Inc.4610.014610.01-7.93
XX4520.013990.014.30
Default Company Ltd4460.014200.01-2.23
Parallels, Inc.4400.014920.01-17.66
WEDOS Internet, a.s.4140.013650.014.43
GANDI SAS4140.014670.01-18.38
FIDUCIA & GAD IT AG3730.013770.01-8.91
Universitaet Stuttgart3550.013480.01-6.08
Firstserver, Inc3490.013600.01-10.74
Test Self SSL Company3400.012920.017.21
Apache HTTP Server3300.013150.01-3.54
CrossTrust3230.013290.01-9.61
Snake Oil, Ltd3200.013420.01-13.85
Yandex LLC3190.013130.01-6.16
Dell Inc.2850.012830.01-7.28
HydrantID (Avalanche Cloud Corporation)2840.0100.00N/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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