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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
April 1st, 2018

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 March 2018
Count
March 2018
%
February 2018
Count
February 2018
%
Growth
%
GoDaddy.com, Inc.794,24919.09805,22219.18-0.51
COMODO CA Limited711,47117.10713,40517.000.60
DigiCert659,88415.86598,68114.2611.18
GlobalSign nv-sa320,6237.70321,6857.660.54
Let's Encrypt301,2997.24294,3247.013.26
GeoTrust Inc.284,0416.83350,3988.35-18.23
Gandi100,7852.42100,8802.400.77
cPanel, Inc.82,6601.9979,1091.885.40
Unknown76,6791.8476,9781.830.48
Amazon66,5521.6065,7151.572.15
Symantec Corporation63,3521.5280,3271.91-20.45
Starfield Technologies, Inc.57,8961.3958,2551.390.25
thawte, Inc.52,7831.2763,3011.51-15.89
Microsoft Corporation43,6241.0543,4811.041.20
Google Trust Services42,0951.015,3370.13695.59
Internet230,0120.7230,4680.73-0.64
TERENA27,9720.6728,2110.670.01
Entrust, Inc.23,8330.5724,5650.59-2.14
Parallels20,1060.4820,3990.49-0.58
Unizeto Technologies S.A.19,2150.4619,3900.46-0.04
Trustwave Holdings, Inc.18,1580.4418,8820.45-3.00
none17,8700.4317,8470.431.00
SomeOrganization17,7210.4317,6220.421.44
ispgateway17,6230.4217,5640.421.21
Network Solutions L.L.C.16,1210.3917,8790.43-9.05
Apache HTTP Server14,3240.3414,3130.340.95
SecureCore14,1540.3412,5160.3014.07
Odin11,0240.2611,0330.260.79
home.pl S.A.10,6430.268,7430.2122.79
Plesk10,4820.259,8990.246.81
QuoVadis Limited10,3270.2510,3600.250.55
NN.RU8,8830.218,8830.210.87
Cybertrust Japan Co., Ltd.8,8160.218,7550.211.57
SSL.com7,9300.197,9050.191.19
StartCom Ltd.6,8780.177,1920.17-3.53
Hostpoint AG6,7380.166,7090.161.31
Internet Widgits Pty Ltd6,6830.166,5310.163.22
GeoTrust, Inc.5,6080.136,1350.15-7.80
io.ua4,8170.124,8100.111.02
HydrantID (Avalanche Cloud Corporation)4,5070.114,4710.111.68
nazwa.pl sp. z o.o.4,3260.104,5260.11-3.59
CloudFlare, Inc.3,7580.093,7590.090.84
Trust Provider B.V.3,6820.093,1550.0817.72
Corporation Service Company3,6650.093,6180.092.18
SECOM Trust Systems CO.,LTD.3,2570.083,3100.08-0.75
Actalis S.p.A./033585209673,2460.083,2220.081.62
Pizza-Taxi.de GmbH / CA3,2320.083,2300.080.93
Comodo Limited3,1490.083,1550.080.68
KDDI Web Communications Inc.3,1400.083,1380.070.93
TrustAsia Technologies, Inc.2,8650.073,0660.07-5.74
WebSupport, s.r.o.2,8040.072,7670.072.22
The Trustico Group Ltd2,5020.0600.00N/A
Hosting Ukraine LLC2,3520.062,2830.053.92
National Institute of Informatics2,3050.062,3080.050.74
Default Company Ltd2,2020.052,0910.056.22
Webhosting2,0960.052,0210.054.61
Nijimo, Inc.2,0860.051,8930.0511.15
Google Inc2,0580.0538,2710.91-94.58
Government of Korea1,9880.052,1160.05-5.23
Japan Registry Services Co., Ltd.1,8420.041,6890.0410.01
WoSign CA Limited1,7700.041,8860.04-5.33
DOMENY.PL sp. z o.o1,7300.041,9270.05-9.44
TAIWAN-CA1,6800.041,7700.04-4.26
T-Systems International GmbH1,6380.041,6570.04-0.29
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.1,5900.041,5760.041.77
Rede Nacional de Ensino e Pesquisa - RNP1,4960.041,5040.040.33
Thawte, Inc.1,3920.031,6640.04-15.62
SwissSign AG1,3870.031,4000.03-0.07
Globe Hosting, Inc.1,3580.037660.0278.83
Verisign1,3400.031,6640.04-18.77
KEYNECTIS1,2660.031,2480.032.32
Test Self SSL Company1,2310.031,2060.032.96
NetLock Kft.1,2210.031,2400.03-0.68
EUNETIC GmbH1,2150.031,2270.03-0.12
UIC1,1770.031,1770.030.87
WEDOS Internet, a.s.1,1670.031,1660.030.96
AC Camerfirma S.A.1,1340.031,1770.03-2.82
Dreamcommerce S.A.1,1260.031,0740.035.75
SH1,0290.029370.0210.77
Equifax (Geotrust)9660.021,1270.03-13.54
U.S. Government9520.021,0230.02-6.13
DreamHost9410.021,3190.03-28.04
XX8930.028860.021.67
AffirmTrust8810.028280.027.33
AlphaSSL8210.021,0800.03-23.32
Buypass AS-9831633277860.027640.023.77
Mirohost7050.0200.00N/A
KAGOYA-JAPAN6760.025620.0121.33
www.sprinthost.ru6510.026340.023.57
TBS INTERNET6370.026660.02-3.52
CAcert Inc.6140.016270.01-1.22
Beijing Knownsec Information Technology Co., Ltd5510.015610.01-0.93
Zimbra Collaboration Server5300.015520.01-3.15
CertCenter AG5270.014840.019.83
PCextreme BV5050.014970.012.49
FNMT-RCM4610.014870.01-4.52
OVH4570.014610.01-0.01
Comvive Servidores SL4560.014490.012.44
Root CA4490.014780.01-5.25
ONEsolution s.r.o.4460.0100.00N/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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