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You are viewing an outdated report. The latest version of this report was published on April 1st, 2019


    
Certificate Authority Market Share Report
June 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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA May 2018
Count
May 2018
%
April 2018
Count
April 2018
%
Growth
%
GoDaddy.com, Inc.686,05623.95715,83622.824.96
DigiCert479,02716.72539,47117.20-2.75
COMODO CA Limited459,75916.05510,27916.27-1.32
Let's Encrypt220,8447.71196,8146.2722.89
GlobalSign nv-sa161,5145.64260,5088.30-32.10
GeoTrust Inc.130,7334.56176,1625.62-18.72
Gandi64,9982.2764,5752.0610.24
cPanel, Inc.55,8821.9551,3761.6419.13
Unknown49,2451.7240,8111.3032.15
Amazon46,5931.6349,9301.592.20
Starfield Technologies, Inc.39,3401.3739,3861.269.39
Google Trust Services37,6821.3240,7431.301.29
Microsoft Corporation35,5241.2437,2101.194.56
Symantec Corporation29,8301.0432,5351.040.42
thawte, Inc.28,2680.9928,8560.927.29
Internet219,6310.6925,8660.82-16.88
TERENA19,1740.6723,5950.75-11.00
Entrust, Inc.15,7290.5519,3940.62-11.18
Apache HTTP Server14,1740.4912,5770.4023.43
Parallels13,1470.469,7480.3147.71
SomeOrganization11,9730.4210,5650.3424.12
Network Solutions L.L.C.11,9430.4212,6450.403.44
ispgateway11,8730.418,0020.2662.50
none11,5170.408,5830.2746.96
Unizeto Technologies S.A.11,3360.4015,4060.49-19.41
SecureCore10,4540.369,2060.2924.37
Trustwave Holdings, Inc.9,4230.3313,6540.44-24.42
Plesk8,1300.285,8410.1952.44
QuoVadis Limited7,8030.278,7990.28-2.88
Odin7,5090.265,4820.1750.02
home.pl S.A.6,9300.247,3590.233.14
Cybertrust Japan Co., Ltd.6,1070.215,2180.1728.18
Internet Widgits Pty Ltd6,0870.216,0020.1911.07
StartCom Ltd.5,1090.185,3020.175.53
io.ua4,8330.174,6490.1513.86
Hostpoint AG4,7630.173,1170.1067.36
SSL.com3,8400.137,3540.23-42.81
CloudFlare, Inc.3,8230.133,6780.1213.84
GeoTrust, Inc.3,5750.123,2690.1019.77
HydrantID (Avalanche Cloud Corporation)2,8610.104,0570.13-22.77
TrustAsia Technologies, Inc.2,8080.102,3950.0828.41
Corporation Service Company2,7580.102,6800.0912.71
nazwa.pl sp. z o.o.2,7120.092,8500.094.22
Trust Provider B.V.2,5920.092,3710.0819.73
Actalis S.p.A./033585209672,3650.081,2640.04104.92
WebSupport, s.r.o.2,2660.081,9610.0626.55
The Trustico Group Ltd2,1280.072,0450.0713.97
SECOM Trust Systems CO.,LTD.2,1020.071,5300.0550.47
KDDI Web Communications Inc.2,0370.079940.03124.44
Comodo Limited1,9600.071,7260.0624.37
Hosting Ukraine LLC1,6700.061,9640.06-6.87
Nijimo, Inc.1,6310.061,3560.0431.73
National Institute of Informatics1,6310.061,7940.06-0.43
Webhosting1,5140.059020.0383.83
Default Company Ltd1,4710.051,3050.0423.45
Japan Registry Services Co., Ltd.1,3330.051,0730.0336.06
Government of Korea1,3150.051,4800.05-2.69
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.1,2290.041,1010.0422.25
T-Systems International GmbH1,2290.041,0190.0332.09
UIC1,1770.041,1080.0416.34
WoSign CA Limited1,1420.041,2270.041.93
Dreamcommerce S.A.1,1380.047810.0259.58
Rede Nacional de Ensino e Pesquisa - RNP1,1280.041,2220.041.10
TAIWAN-CA1,1150.041,2600.04-3.08
Globe Hosting, Inc.1,0740.041,0710.039.83
DOMENY.PL sp. z o.o1,0500.041,2570.04-8.51
SwissSign AG9940.039250.0317.69
Thawte, Inc.8480.037470.0224.33
KEYNECTIS8460.031,0210.03-9.25
Verisign8340.037040.0229.74
Test Self SSL Company7900.031,0060.03-13.99
AC Camerfirma S.A.7860.039010.03-4.46
WEDOS Internet, a.s.7670.035750.0246.09
SH7610.037520.0210.83
NetLock Kft.7500.038870.03-7.40
EUNETIC GmbH7300.038540.03-6.38
Buypass AS-9831633276670.025880.0224.24
AffirmTrust6480.026710.025.77
FIDUCIA & GAD IT AG6400.0200.00N/A
XX5970.026910.02-5.38
KAGOYA-JAPAN5740.023240.0194.03
Equifax (Geotrust)5170.025570.021.66
Mirohost4990.025860.02-6.74
U.S. Government4940.027920.03-31.69
Comvive Servidores SL4800.024550.0115.54
PCextreme BV4580.0200.00N/A
CAcert Inc.4540.024310.0115.37
Intexmedia4290.014170.0112.67
Beijing Knownsec Information Technology Co., Ltd4260.013650.0127.82
www.sprinthost.ru4240.015210.02-10.87
AlphaSSL3960.014420.01-1.88
TBS INTERNET3830.013880.018.11
CertCenter AG3720.0100.00N/A
ONEsolution s.r.o.3550.0100.00N/A
Zimbra Collaboration Server3430.014770.02-21.25
OVH3240.0100.00N/A
KPN B.V.3160.0100.00N/A
Root CA3010.013290.010.20
MyCompany3010.0100.00N/A
IZENPE S.A.2910.013720.01-14.33

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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