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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
January 1st, 2019

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 December 2018
Count
December 2018
%
November 2018
Count
November 2018
%
Growth
%
COMODO CA Limited1,219,56530.051,158,22331.65-5.05
DigiCert653,52016.10541,10814.798.90
Let's Encrypt570,99814.07510,36013.950.89
GlobalSign nv-sa300,4427.40278,3627.61-2.68
GoDaddy.com, Inc.290,4267.16271,7287.42-3.62
cPanel, Inc.113,3102.7991,3462.5011.85
Unknown104,1092.5784,5142.3111.08
Amazon79,8671.9769,7701.913.22
Google Trust Services53,0281.3151,8261.42-7.74
Starfield Technologies, Inc.43,4651.0735,0630.9611.78
GeoTrust Inc.33,9990.8434,6820.95-11.60
Internet230,6930.7628,0190.77-1.22
TERENA30,0830.7429,1700.80-7.01
Entrust, Inc.24,1670.6020,4810.566.40
SomeOrganization23,5670.5821,0910.580.76
ispgateway22,9950.5722,1890.61-6.55
Microsoft Corporation22,7070.5616,7980.4621.89
Unizeto Technologies S.A.22,4670.5520,5950.56-1.63
Gandi20,7190.5119,9850.55-6.52
Plesk20,0760.4918,2640.50-0.88
none20,0530.4917,1700.475.31
Parallels18,8270.4618,3070.50-7.27
Apache HTTP Server14,4980.3614,4700.40-9.65
Trustwave Holdings, Inc.14,3100.356,1020.17111.47
Network Solutions L.L.C.13,4710.3312,8180.35-5.23
Odin13,0600.3212,5330.34-6.04
home.pl S.A.12,6040.3112,3520.34-7.99
QuoVadis Limited11,2560.2810,8730.30-6.65
Cybertrust Japan Co., Ltd.10,5900.266,2620.1752.49
SecureCore10,0130.253,4260.09163.54
NN.RU8,8830.228,8830.24-9.83
Internet Widgits Pty Ltd8,0870.207,9460.22-8.23
thawte, Inc.6,4890.167,2300.20-19.07
Actalis S.p.A./033585209675,8090.145,3630.15-2.33
SSL.com5,7800.145,4940.15-5.13
StartCom Ltd.5,6910.145,6640.15-9.40
nazwa.pl sp. z o.o.5,1860.131,1480.03307.35
Corporation Service Company4,9350.124,4400.120.23
io.ua4,9270.124,9100.13-9.52
Webhosting4,4500.114,1460.11-3.22
Trust Provider B.V.4,3660.114,1720.11-5.63
Symantec Corporation4,0440.1011,9660.33-69.53
The Trustico Group Ltd3,9700.103,7530.10-4.61
Gehirn Inc.3,8990.1000.00N/A
WebSupport, s.r.o.3,8350.093,6840.10-6.13
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.3,7040.093,3620.09-0.66
Hosting Ukraine LLC3,5780.093,4410.09-6.24
SECOM Trust Systems CO.,LTD.3,5160.093,2710.09-3.07
GeoTrust, Inc.3,4920.093,4960.10-9.93
TrustAsia Technologies, Inc.3,4070.083,0230.081.63
Nijimo, Inc.3,3760.083,2500.09-6.33
Pizza-Taxi.de GmbH / CA3,2970.083,2850.09-9.50
HydrantID (Avalanche Cloud Corporation)3,2910.0800.00N/A
Japan Registry Services Co., Ltd.3,1220.082,8570.08-1.46
KDDI Web Communications Inc.3,0690.083,0800.08-10.15
DreamHost2,9110.0700.00N/A
DOMENY.PL sp. z o.o2,6780.072,5630.07-5.78
National Institute of Informatics2,3740.062,2650.06-5.49
Default Company Ltd2,0880.051,9920.05-5.48
SH2,0700.052,0040.05-6.86
Comodo Limited1,9170.051,6190.046.77
WEDOS Internet, a.s.1,8970.051,8150.05-5.75
T-Systems International GmbH1,7830.041,7010.05-5.48
TAIWAN-CA1,7430.041,6060.04-2.14
Rede Nacional de Ensino e Pesquisa - RNP1,7260.041,7000.05-8.45
KAGOYA-JAPAN1,7110.041,6000.04-3.57
SwissSign AG1,6960.041,5300.04-0.04
Test Self SSL Company1,6660.041,6110.04-6.75
Government of Korea1,6450.041,6230.04-8.61
XX1,6180.041,5620.04-6.60
WoSign CA Limited1,5400.041,4880.04-6.68
AC Camerfirma S.A.1,3670.031,3130.04-6.12
NetLock Kft.1,2340.031,1820.03-5.86
UIC1,1690.031,1690.03-9.83
www.sprinthost.ru1,1660.031,1240.03-6.46
AffirmTrust1,1650.039470.0310.93
World4You Internet Services GmbH1,1640.031,0910.03-3.79
Acme Co1,1160.035100.0197.32
EUNETIC GmbH1,1010.031,0490.03-5.36
Mirohost1,0960.031,0680.03-7.46
Verisign1,0530.031,0920.03-13.05
Buypass AS-9831633271,0360.039610.03-2.79
MyCompany1,0080.029750.03-6.78
KEYNECTIS9000.028870.02-8.51
CloudFlare, Inc.8960.027930.021.88
Thawte, Inc.8770.028770.02-9.83
dhosting.pl Sp. z o.o.8330.027850.02-4.31
Soluciones Corporativas IP, SL7970.026920.023.85
U.S. Government7900.026530.029.09
CertCenter AG7780.027380.02-4.94
Equifax (Geotrust)7550.027560.02-9.95
Comvive Servidores SL7410.027120.02-6.16
FIDUCIA & GAD IT AG6860.026880.02-10.09
Globe Hosting, Inc.6740.026250.02-2.76
Beijing Knownsec Information Technology Co., Ltd6540.026480.02-8.99
OVH5980.015550.02-2.84
TBS INTERNET5920.015450.01-2.05
DHIMYOTIS5800.015440.01-3.86
KPN B.V.5570.015040.01-0.35
FASTVPS4860.014750.01-7.74

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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