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You are viewing an outdated report. The latest version of this report was published on June 1st, 2024


    
Certificate Authority Market Share Report
May 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 April 2016
Count
April 2016
%
March 2016
Count
March 2016
%
Growth
%
GoDaddy.com, Inc.557,64321.32548,87721.290.12
COMODO CA Limited425,54316.27404,53815.693.66
GeoTrust Inc.365,89113.99372,49114.45-3.20
DigiCert288,95211.05278,98710.822.07
GlobalSign nv-sa173,1586.62171,8636.67-0.71
Symantec Corporation97,8963.7482,3123.1917.20
Gandi81,7553.1381,4243.16-1.05
thawte, Inc.66,8572.5666,1032.56-0.33
GeoTrust, Inc.34,9971.3440,6951.58-15.25
Starfield Technologies, Inc.34,0691.3040,7851.58-17.68
Unknown31,7071.2131,7061.23-1.45
Unizeto Technologies S.A.31,1691.1930,9611.20-0.79
StartCom Ltd.31,1571.1931,0421.20-1.09
Microsoft Corporation30,1761.1529,8891.16-0.51
Internet226,5241.0126,5131.03-1.41
Verizon Enterprise Solutions25,0700.9624,8540.96-0.60
Entrust, Inc.24,5140.9424,4450.95-1.18
Network Solutions L.L.C.23,3160.8923,3620.91-1.65
TERENA22,8100.8722,8230.89-1.51
Parallels16,8450.6416,8910.66-1.72
Let's Encrypt15,0100.5710,7400.4237.73
Verisign14,4750.5515,7080.61-9.19
Trustwave Holdings, Inc.12,6800.4812,6290.49-1.06
Thawte, Inc.11,7820.4512,5650.49-7.60
SomeOrganization11,0250.4210,9230.42-0.53
Google Inc10,0410.389,8660.380.29
QuoVadis Limited6,8890.266,6740.261.72
AlphaSSL5,7860.226,0050.23-5.05
Cybertrust Japan Co., Ltd.5,4110.215,3720.21-0.74
none4,9380.194,6800.183.98
WoSign CA Limited4,6810.184,5600.181.16
Comodo Limited4,0220.154,0570.16-2.30
SECOM Trust Systems CO.,LTD.3,6520.143,6730.14-2.02
Corporation Service Company3,6270.143,5820.14-0.22
ispgateway2,9820.112,9750.12-1.22
DreamHost2,6890.102,5570.103.63
Volusion, Inc.2,6360.102,9220.11-11.10
SecureCore2,4330.092,3550.091.81
Equifax (Geotrust)2,3130.092,3750.09-4.03
GANDI SAS2,1300.082,2580.09-7.04
KDDI Web Communications Inc.1,9810.081,8510.075.47
Government of Korea1,8850.071,8770.07-1.03
National Institute of Informatics1,7920.071,7760.07-0.57
Intermediate Certificate1,7640.071,8080.07-3.85
T-Systems International GmbH1,7240.071,7220.07-1.34
nazwa.pl sp. z o.o.1,6120.061,5670.061.38
Odin1,5070.061,3240.0512.17
Amazon1,4930.063,9370.15-62.63
U.S. Government1,2720.051,2710.05-1.38
SSL.com1,2130.051,1970.05-0.14
EUNETIC GmbH1,1280.041,1160.04-0.39
Comodo CA Limited1,0570.041,0830.04-3.82
Root CA1,0390.041,0650.04-3.86
CAcert Inc.1,0100.041,0840.04-8.18
Internet Widgits Pty Ltd9630.049810.04-3.26
DOMENY.PL sp. z o.o9330.041,1330.04-18.85
TAIWAN-CA9230.049000.031.06
SwissSign AG8800.038750.03-0.89
Trend Micro Inc8730.038630.03-0.31
NetLock Kft.8420.038500.03-2.38
Thawte8140.038310.03-3.47
KEYNECTIS7650.037600.03-0.81
Globe Hosting, Inc.7470.037770.03-5.26
Rede Nacional de Ensino e Pesquisa - RNP7010.036670.033.57
KPN Corporate Market BV6570.036630.03-2.35
ICP-Brasil6320.026320.02-1.45
Zimbra Collaboration Server6280.026350.02-2.54
Hostpoint GmbH6190.025280.0215.53
FNMT-RCM6050.025910.020.88
Parallels, Inc.5940.026020.02-2.76
TBS INTERNET5470.025570.02-3.22
nazwa.pl S.A.5420.025730.02-6.79
ACCV4830.024850.02-1.86
TAIWAN-CA INC.4500.024610.02-3.81
SWsoft, Inc.4450.024580.02-4.25
WebSupport, s.r.o.4420.024260.022.25
Servision Inc.4240.025500.02-24.03
Firstserver, Inc4180.024200.02-1.92
Dreamcommerce S.A.4160.024030.021.72
Snake Oil, Ltd4030.024340.02-8.49
XX3650.013720.01-3.31
CrossTrust3580.013650.01-3.34
Register.com3410.013610.01-6.91
HTTPS Management Certificate for SonicWALL (self-signed)3140.013210.01-3.60
Buypass AS-9831633273100.013030.010.82
Universitaet Stuttgart3090.013070.01-0.81
Trust Provider B.V.3010.0100.00N/A
Yandex LLC2970.012880.011.63
Default Company Ltd2760.012560.016.24
KAGOYA JAPAN Inc.2710.012970.01-10.08
Apache HTTP Server2690.012590.012.35
OCC2650.012710.01-3.64
DOMENY.PL Ltd.2650.012790.01-6.40
Agencia Catalana de Certificacio (NIF Q-0801176-I)2630.012740.01-5.41
Site Blindado S.A.2620.012560.010.86
Pavel&Pavel2580.012580.01-1.45
MyCompany2490.012540.01-3.39
Dell Inc.2480.015280.02-53.71
Oracle Corporation2470.0100.00N/A
Actalis S.p.A./033585209672450.0100.00N/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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