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You are viewing an outdated report.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
November 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 October 2018
Count
October 2018
%
September 2018
Count
September 2018
%
Growth
%
COMODO CA Limited1,154,78431.381,159,98531.84-1.43
DigiCert540,86514.70528,88414.521.26
Let's Encrypt402,45410.94382,33910.494.22
GlobalSign nv-sa285,0037.74282,3337.75-0.05
GoDaddy.com, Inc.276,0017.50277,7327.62-1.60
Gandi101,2302.75100,8872.77-0.65
Unknown90,2552.4588,3912.431.10
cPanel, Inc.88,5952.4184,2142.314.16
Amazon71,7121.9569,1751.902.64
GeoTrust Inc.62,5851.7067,7951.86-8.60
Google Trust Services50,4201.3749,1391.351.59
Starfield Technologies, Inc.34,3700.9333,0360.913.01
TERENA28,8240.7828,5450.78-0.02
Internet228,2990.7728,1710.77-0.54
Entrust, Inc.22,2300.6022,2160.61-0.92
ispgateway21,1530.5720,2110.553.63
Unizeto Technologies S.A.20,0940.5520,1250.55-1.14
SomeOrganization19,9220.5419,5780.540.75
Parallels18,3570.5018,7110.51-2.86
none17,5260.4817,1200.471.36
Microsoft Corporation17,0750.4616,9080.46-0.01
Plesk16,6000.4515,9740.442.89
Apache HTTP Server14,4300.3914,3960.40-0.75
Network Solutions L.L.C.13,1420.3614,2460.39-8.66
thawte, Inc.12,9600.3514,8520.41-13.60
Odin12,4970.3412,1840.331.56
home.pl S.A.11,9220.3211,5290.322.39
QuoVadis Limited10,9660.3010,9120.30-0.50
NN.RU8,8830.248,8830.24-0.99
Symantec Corporation8,8120.2410,3600.28-15.78
Cybertrust Japan Co., Ltd.8,7520.249,1740.25-5.54
SSL.com8,4610.238,2790.231.19
Internet Widgits Pty Ltd7,8610.217,7680.210.20
Trustwave Holdings, Inc.6,2040.176,2320.17-1.43
StartCom Ltd.5,7630.165,7660.16-1.04
Actalis S.p.A./033585209675,0100.144,6390.136.93
SecureCore4,9870.145,4570.15-9.51
io.ua4,8880.134,8670.13-0.56
nazwa.pl sp. z o.o.4,8720.134,6590.133.54
Corporation Service Company4,2280.114,2050.12-0.45
Trust Provider B.V.4,1620.114,1000.110.51
GeoTrust, Inc.4,0470.114,1160.11-2.65
Webhosting3,5510.103,1900.0910.22
WebSupport, s.r.o.3,4970.103,3310.093.95
The Trustico Group Ltd3,4570.093,3300.092.79
Pizza-Taxi.de GmbH / CA3,2770.093,2660.09-0.65
Hosting Ukraine LLC3,2630.093,0630.085.48
KDDI Web Communications Inc.3,2440.093,2110.090.03
Nijimo, Inc.3,1210.083,0620.080.92
SECOM Trust Systems CO.,LTD.2,9150.082,9460.08-2.03
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.2,9030.082,7610.084.11
Japan Registry Services Co., Ltd.2,6270.072,5560.071.76
DOMENY.PL sp. z o.o2,5440.071,7930.0540.48
TrustAsia Technologies, Inc.2,5010.071,9240.0528.71
National Institute of Informatics2,2560.062,2570.06-1.03
HydrantID (Avalanche Cloud Corporation)2,0520.063,3050.09-38.53
Default Company Ltd1,8990.051,8080.054.00
SH1,7790.051,6630.055.92
TAIWAN-CA1,7250.051,6340.044.53
Comodo Limited1,6790.051,6930.05-1.81
T-Systems International GmbH1,6730.051,6530.050.21
WEDOS Internet, a.s.1,6710.051,5500.046.74
Government of Korea1,6540.041,6610.05-1.40
Rede Nacional de Ensino e Pesquisa - RNP1,6230.041,6030.040.25
SwissSign AG1,5660.041,5380.040.82
Test Self SSL Company1,5420.041,4600.044.57
WoSign CA Limited1,5270.041,4770.042.36
KAGOYA-JAPAN1,4680.041,3810.045.25
XX1,4570.041,0730.0334.45
AC Camerfirma S.A.1,2610.031,2370.030.93
UIC1,1700.031,1700.03-0.99
NetLock Kft.1,1540.031,1250.031.57
Verisign1,0440.031,0380.03-0.41
AffirmTrust1,0250.039920.032.31
EUNETIC GmbH1,0080.031,0160.03-1.77
Mirohost9900.039320.035.17
KEYNECTIS9890.031,0120.03-3.24
Buypass AS-9831633279570.039450.030.27
Thawte, Inc.9290.039530.03-3.48
MyCompany9250.038810.023.96
www.sprinthost.ru9160.028490.026.83
World4You Internet Services GmbH8270.027150.0214.52
U.S. Government8160.028190.02-1.35
Equifax (Geotrust)7750.027830.02-2.00
FIDUCIA & GAD IT AG7590.028180.02-8.13
CloudFlare, Inc.7490.026750.029.87
dhosting.pl Sp. z o.o.7410.027020.024.51
CertCenter AG6800.026690.020.64
Comvive Servidores SL6560.026110.026.31
Beijing Knownsec Information Technology Co., Ltd6410.026320.020.42
Globe Hosting, Inc.6110.026230.02-2.89
TBS INTERNET5990.025980.02-0.82
Soluciones Corporativas IP, SL5510.014410.0123.71
OVH5380.014960.017.40
KPN B.V.5240.015070.012.33
CAcert Inc.5180.015160.01-0.60
Acme Co4890.014620.014.80
AlphaSSL4770.015220.01-9.52
DHIMYOTIS4530.0100.00N/A
FASTVPS4430.0100.00N/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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