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You are viewing an outdated report.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
November 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 October 2016
Count
October 2016
%
September 2016
Count
September 2016
%
Growth
%
GoDaddy.com, Inc.599,70220.08595,41220.17-0.44
COMODO CA Limited468,35815.68479,87416.25-3.52
GeoTrust Inc.390,51213.07390,88413.24-1.24
DigiCert331,83811.11328,21811.12-0.06
Symantec Corporation232,4717.78189,7006.4221.14
GlobalSign nv-sa210,5647.05208,5827.06-0.21
Gandi88,9832.9888,4583.00-0.56
thawte, Inc.71,7752.4071,3302.42-0.53
Let's Encrypt46,2041.5539,4201.3415.86
Starfield Technologies, Inc.41,8261.4041,9601.42-1.47
StartCom Ltd.33,1641.1133,0361.12-0.77
Unizeto Technologies S.A.33,1211.1132,7961.11-0.17
Microsoft Corporation32,0331.0733,0441.12-4.17
Unknown28,7030.9628,7650.97-1.36
Internet227,9240.9327,8570.94-0.91
Entrust, Inc.25,2460.8525,3770.86-1.66
TERENA23,2910.7823,2750.79-1.08
Network Solutions L.L.C.21,4730.7221,8410.74-2.82
GeoTrust, Inc.19,1420.6421,8190.74-13.28
Parallels17,2000.5817,4870.59-2.77
Amazon16,6830.5613,2920.4524.07
Google Inc13,0240.4412,5040.422.96
Trustwave Holdings, Inc.12,4980.4212,5540.43-1.59
SomeOrganization11,6730.3912,0450.41-4.20
Verizon Enterprise Solutions11,3450.3823,0700.78-51.39
cPanel, Inc.8,0150.276,9240.2314.43
QuoVadis Limited7,9860.277,8600.270.43
Verisign6,9360.238,3020.28-17.41
none6,5750.226,3860.221.78
Cybertrust Japan Co., Ltd.5,9430.205,8860.20-0.19
WoSign CA Limited5,8270.205,8960.20-2.31
Thawte, Inc.5,1990.176,2180.21-17.35
DreamHost4,1710.143,9930.143.26
Comodo Limited4,0550.144,0630.14-1.35
Odin3,8410.133,3860.1112.13
SECOM Trust Systems CO.,LTD.3,5910.123,6320.12-2.27
AlphaSSL3,1990.114,3980.15-28.10
ispgateway3,1850.113,1440.110.14
SecureCore3,0420.102,8660.104.92
Corporation Service Company2,8320.092,8570.10-2.02
nazwa.pl sp. z o.o.2,4250.082,3240.083.15
KDDI Web Communications Inc.2,3620.082,3010.081.47
Internet Widgits Pty Ltd2,0950.072,0300.072.01
National Institute of Informatics1,9400.061,9290.07-0.59
Government of Korea1,9130.061,9360.07-2.32
Equifax (Geotrust)1,8750.061,9710.07-5.96
Volusion, Inc.1,7970.061,9450.07-8.67
T-Systems International GmbH1,7450.061,7550.06-1.71
Hostpoint GmbH1,6560.061,5010.059.06
SSL.com1,5000.051,4780.050.32
home.pl S.A.1,4150.051,0300.0335.80
Trust Provider B.V.1,2460.041,0820.0413.83
U.S. Government1,2130.041,2310.04-2.60
Intermediate Certificate1,2000.041,2340.04-3.87
EUNETIC GmbH1,1860.041,1920.04-1.65
DOMENY.PL sp. z o.o1,1800.041,1960.04-2.47
TAIWAN-CA1,1780.041,1350.042.59
Rede Nacional de Ensino e Pesquisa - RNP9510.039090.033.42
Trend Micro Inc9310.039280.03-0.83
NetLock Kft.9140.039070.03-0.39
SwissSign AG9100.039070.03-0.82
KEYNECTIS8840.038640.031.14
CAcert Inc.8660.038900.03-3.82
Root CA8080.038750.03-8.72
Comodo CA Limited8070.038560.03-6.81
GANDI SAS7730.039770.03-21.79
Pizza-Taxi.de GmbH / CA7550.036600.0213.08
WebSupport, s.r.o.6400.026050.024.57
Globe Hosting, Inc.6250.026810.02-9.28
Thawte6240.026470.02-4.66
Zimbra Collaboration Server6190.026250.02-2.10
FNMT-RCM6070.026170.02-2.75
TBS INTERNET5970.026000.02-1.64
Dreamcommerce S.A.5700.025550.021.52
Actalis S.p.A./033585209675660.025490.021.91
KPN Corporate Market BV5600.025810.02-4.72
ICP-Brasil5560.025710.02-3.75
Parallels, Inc.4990.025110.02-3.47
ACCV4980.024890.020.67
SWsoft, Inc.4640.024620.02-0.72
Buypass AS-9831633274200.014030.013.02
XX3820.014000.01-5.60
Firstserver, Inc3690.013760.01-2.99
FIDUCIA & GAD IT AG3650.013600.010.22
Snake Oil, Ltd3580.013720.01-4.87
AC Camerfirma S.A.3540.013170.0110.39
CrossTrust3520.013500.01-0.59
Universitaet Stuttgart3320.013280.010.06
Default Company Ltd3300.013110.014.89
Yandex LLC3020.012940.011.54
Apache HTTP Server2970.012940.01-0.14
Hosting Ukraine LLC2790.012570.017.31
TAIWAN-CA INC.2760.013010.01-9.36
Dell Inc.2760.012760.01-1.15
QuoVadis Trustlink BV2700.012700.01-1.15
WEDOS Internet, a.s.2640.0100.00N/A
HydrantID (Avalanche Cloud Corporation)2630.012580.010.77
Pavel&Pavel2580.012580.01-1.15
Karlsruhe Institute of Technology2560.012570.01-1.54
OVH2520.012610.01-4.56

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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