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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
September 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.

CA August 2016
Count
August 2016
%
July 2016
Count
July 2016
%
Growth
%
GoDaddy.com, Inc.587,07320.32576,78520.47-0.73
COMODO CA Limited472,12616.34462,22316.40-0.38
GeoTrust Inc.385,08813.33381,36013.53-1.52
DigiCert322,87711.17312,27211.080.84
GlobalSign nv-sa202,0626.99195,1606.930.98
Symantec Corporation172,1845.96155,7535.537.81
Gandi87,3353.0286,3593.06-1.37
thawte, Inc.72,1392.5071,0452.52-0.97
Starfield Technologies, Inc.41,3571.4340,6741.44-0.84
Let's Encrypt33,8591.1729,6321.0511.44
StartCom Ltd.32,9191.1432,2001.14-0.30
Unizeto Technologies S.A.32,4421.1232,1391.14-1.55
Microsoft Corporation32,0961.1131,6061.12-0.96
Unknown27,7000.9627,9990.99-3.52
Internet227,6750.9627,2730.97-1.04
Entrust, Inc.25,2090.8724,9250.88-1.36
GeoTrust, Inc.24,3380.8425,5990.91-7.28
Verizon Enterprise Solutions23,6270.8222,8100.811.02
TERENA23,1160.8022,8250.81-1.23
Network Solutions L.L.C.21,9230.7621,8800.78-2.28
Parallels17,4740.6017,0730.61-0.18
Trustwave Holdings, Inc.12,4740.4312,2500.43-0.69
SomeOrganization11,9220.4111,7120.42-0.72
Google Inc11,7910.4111,1540.403.10
Amazon11,0700.389,8190.359.95
Verisign9,3270.3210,0210.36-9.23
QuoVadis Limited7,6480.267,4760.27-0.23
Thawte, Inc.7,0650.247,6200.27-9.58
none6,0370.215,6750.203.75
cPanel, Inc.6,0200.215,3470.199.80
Cybertrust Japan Co., Ltd.5,7820.205,6700.20-0.55
WoSign CA Limited5,6480.205,4080.191.85
AlphaSSL4,4730.154,7800.17-8.74
Comodo Limited4,0690.144,0400.14-1.77
DreamHost3,7650.133,4800.125.51
SECOM Trust Systems CO.,LTD.3,6410.133,6330.13-2.26
ispgateway3,1040.113,0990.11-2.32
Odin3,0200.102,7900.105.57
Corporation Service Company2,7760.102,7810.10-2.65
SecureCore2,7310.092,5940.092.68
KDDI Web Communications Inc.2,2750.082,2430.08-1.08
nazwa.pl sp. z o.o.2,2050.081,9930.077.90
Volusion, Inc.2,0690.072,1520.08-6.24
Equifax (Geotrust)2,0210.072,0680.07-4.69
Government of Korea1,8950.071,8880.07-2.11
National Institute of Informatics1,8700.061,8580.07-1.84
Internet Widgits Pty Ltd1,7740.061,5200.0513.82
T-Systems International GmbH1,7700.061,7470.06-1.19
SSL.com1,3940.051,3570.050.19
Hostpoint GmbH1,3270.051,1290.0414.63
Intermediate Certificate1,3040.051,4980.05-15.10
U.S. Government1,2360.041,2490.04-3.49
EUNETIC GmbH1,1740.041,1630.04-1.55
GANDI SAS1,1330.041,2030.04-8.15
DOMENY.PL sp. z o.o1,1310.041,0700.043.09
TAIWAN-CA1,1150.041,0690.041.72
Trust Provider B.V.1,0140.049320.036.11
Trend Micro Inc9230.039010.03-0.09
CAcert Inc.9200.039270.03-3.21
Root CA9090.039140.03-3.01
SwissSign AG8980.038890.03-1.49
Comodo CA Limited8910.039210.03-5.65
NetLock Kft.8860.038680.03-0.45
KEYNECTIS8430.038010.032.64
Rede Nacional de Ensino e Pesquisa - RNP8370.038080.031.03
Globe Hosting, Inc.6890.026800.02-1.18
Thawte6610.026760.02-4.64
Zimbra Collaboration Server6450.026260.020.49
FNMT-RCM6130.026170.02-3.11
TBS INTERNET5990.025880.02-0.65
KPN Corporate Market BV5930.025930.02-2.47
WebSupport, s.r.o.5820.025460.023.96
ICP-Brasil5700.025630.02-1.26
Parallels, Inc.5380.025340.02-1.74
Actalis S.p.A./033585209675340.024930.025.64
Dreamcommerce S.A.5260.025040.021.78
Pizza-Taxi.de GmbH / CA5020.023560.0137.52
ACCV4930.024880.02-1.47
SWsoft, Inc.4480.024570.02-4.39
Firstserver, Inc3870.013920.01-3.72
XX3840.013710.010.94
Snake Oil, Ltd3780.013810.01-3.24
Buypass AS-9831633273740.013630.010.48
CrossTrust3530.013600.01-4.37
FIDUCIA & GAD IT AG3520.013460.01-0.78
Default Company Ltd3420.013320.010.46
TAIWAN-CA INC.3250.013440.01-7.86
Universitaet Stuttgart3230.013170.01-0.63
AC Camerfirma S.A.3150.013050.010.72
Yandex LLC3010.012930.010.19
Apache HTTP Server2990.013000.01-2.80
home.pl S.A.2930.0100.00N/A
nazwa.pl S.A.2700.014060.01-35.14
Dell Inc.2700.012630.010.12
QuoVadis Trustlink BV2620.012560.01-0.19
Site Blindado S.A.2610.012560.01-0.57
Pavel&Pavel2580.012580.01-2.47
HTTPS Management Certificate for SonicWALL (self-signed)2560.012650.01-5.79
OVH2550.012430.012.34
HydrantID (Avalanche Cloud Corporation)2520.0100.00N/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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