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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
October 1st, 2016

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.

DigiCert CA Certificate Historical Market Share Graph

CA September 2016
Count
September 2016
%
August 2016
Count
August 2016
%
Growth
%
GoDaddy.com, Inc.595,41220.17587,07320.32-0.75
COMODO CA Limited479,87416.25472,12616.34-0.54
GeoTrust Inc.390,88413.24385,08813.33-0.67
DigiCert328,21811.12322,87711.17-0.52
GlobalSign nv-sa208,5827.06202,0626.991.01
Symantec Corporation189,7006.42172,1845.967.81
Gandi88,4583.0087,3353.02-0.89
thawte, Inc.71,3302.4272,1392.50-3.24
Starfield Technologies, Inc.41,9601.4241,3571.43-0.72
Let's Encrypt39,4201.3433,8591.1713.93
Microsoft Corporation33,0441.1232,0961.110.75
StartCom Ltd.33,0361.1232,9191.14-1.80
Unizeto Technologies S.A.32,7961.1132,4421.12-1.08
Unknown28,7650.9727,7000.961.62
Internet227,8570.9427,6750.96-1.50
Entrust, Inc.25,3770.8625,2090.87-1.49
TERENA23,2750.7923,1160.80-1.47
Verizon Enterprise Solutions23,0700.7823,6270.82-4.45
Network Solutions L.L.C.21,8410.7421,9230.76-2.51
GeoTrust, Inc.21,8190.7424,3380.84-12.27
Parallels17,4870.5917,4740.60-2.07
Amazon13,2920.4511,0700.3817.50
Trustwave Holdings, Inc.12,5540.4312,4740.43-1.52
Google Inc12,5040.4211,7910.413.77
SomeOrganization12,0450.4111,9220.41-1.13
Verisign8,3020.289,3270.32-12.90
QuoVadis Limited7,8600.277,6480.260.57
cPanel, Inc.6,9240.236,0200.2112.55
none6,3860.226,0370.213.51
Thawte, Inc.6,2180.217,0650.24-13.88
WoSign CA Limited5,8960.205,6480.202.15
Cybertrust Japan Co., Ltd.5,8860.205,7820.20-0.38
AlphaSSL4,3980.154,4730.15-3.78
Comodo Limited4,0630.144,0690.14-2.29
DreamHost3,9930.143,7650.133.78
SECOM Trust Systems CO.,LTD.3,6320.123,6410.13-2.39
Odin3,3860.113,0200.109.72
ispgateway3,1440.113,1040.11-0.88
SecureCore2,8660.102,7310.092.69
Corporation Service Company2,8570.102,7760.100.71
nazwa.pl sp. z o.o.2,3240.082,2050.083.14
KDDI Web Communications Inc.2,3010.082,2750.08-1.03
Internet Widgits Pty Ltd2,0300.071,7740.0611.98
Equifax (Geotrust)1,9710.072,0210.07-4.56
Volusion, Inc.1,9450.072,0690.07-8.01
Government of Korea1,9360.071,8950.07-0.03
National Institute of Informatics1,9290.071,8700.060.94
T-Systems International GmbH1,7550.061,7700.06-2.97
Hostpoint GmbH1,5010.051,3270.0510.69
SSL.com1,4780.051,3940.053.75
Intermediate Certificate1,2340.041,3040.05-7.40
U.S. Government1,2310.041,2360.04-2.54
DOMENY.PL sp. z o.o1,1960.041,1310.043.48
EUNETIC GmbH1,1920.041,1740.04-0.64
TAIWAN-CA1,1350.041,1150.04-0.39
Trust Provider B.V.1,0820.041,0140.044.42
home.pl S.A.1,0300.032930.01244.00
GANDI SAS9770.031,1330.04-15.62
Trend Micro Inc9280.039230.03-1.61
Rede Nacional de Ensino e Pesquisa - RNP9090.038370.036.27
SwissSign AG9070.038980.03-1.16
NetLock Kft.9070.038860.030.18
CAcert Inc.8900.039200.03-5.33
Root CA8750.039090.03-5.80
KEYNECTIS8640.038430.030.29
Comodo CA Limited8560.038910.03-5.99
Globe Hosting, Inc.6810.026890.02-3.28
Pizza-Taxi.de GmbH / CA6600.025020.0228.66
Thawte6470.026610.02-4.22
Zimbra Collaboration Server6250.026450.02-5.18
FNMT-RCM6170.026130.02-1.51
WebSupport, s.r.o.6050.025820.021.72
TBS INTERNET6000.025990.02-1.98
KPN Corporate Market BV5810.025930.02-4.12
ICP-Brasil5710.025700.02-1.97
Dreamcommerce S.A.5550.025260.023.25
Actalis S.p.A./033585209675490.025340.020.61
Parallels, Inc.5110.025380.02-7.05
ACCV4890.024930.02-2.94
SWsoft, Inc.4620.024480.020.91
Buypass AS-9831633274030.013740.015.44
XX4000.013840.011.93
Firstserver, Inc3760.013870.01-4.93
Snake Oil, Ltd3720.013780.01-3.70
FIDUCIA & GAD IT AG3600.013520.010.08
CrossTrust3500.013530.01-2.98
Universitaet Stuttgart3280.013230.01-0.63
AC Camerfirma S.A.3170.013150.01-1.52
Default Company Ltd3110.013420.01-11.01
TAIWAN-CA INC.3010.013250.01-9.37
Yandex LLC2940.013010.01-4.42
Apache HTTP Server2940.012990.01-3.78
Dell Inc.2760.012700.010.03
QuoVadis Trustlink BV2700.012620.010.84
Site Blindado S.A.2670.012610.010.11
OVH2610.012550.010.16
Pavel&Pavel2580.012580.01-2.14
HydrantID (Avalanche Cloud Corporation)2580.012520.010.19
Karlsruhe Institute of Technology2570.0100.00N/A
Hosting Ukraine LLC2570.0100.00N/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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