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You are viewing an outdated report. The latest version of this report was published on December 1st, 2022


    
Certificate Authority Market Share Report
June 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 May 2016
Count
May 2016
%
April 2016
Count
April 2016
%
Growth
%
GoDaddy.com, Inc.565,38721.05557,64321.32-1.26
COMODO CA Limited435,57216.22425,54316.27-0.31
GeoTrust Inc.372,05613.85365,89113.99-0.97
DigiCert297,56111.08288,95211.050.29
GlobalSign nv-sa182,9206.81173,1586.622.88
Symantec Corporation119,5124.4597,8963.7418.89
Gandi82,6283.0881,7553.13-1.57
thawte, Inc.68,1402.5466,8572.56-0.74
Starfield Technologies, Inc.38,7421.4434,0691.3010.75
Unizeto Technologies S.A.31,4611.1731,1691.19-1.70
GeoTrust, Inc.31,4371.1734,9971.34-12.52
StartCom Ltd.31,3661.1731,1571.19-1.96
Microsoft Corporation30,5581.1430,1761.15-1.38
Unknown28,5121.0631,7071.21-12.42
Internet227,0721.0126,5241.01-0.60
Entrust, Inc.24,7260.9224,5140.94-1.77
Verizon Enterprise Solutions23,7890.8925,0700.96-7.59
TERENA22,8640.8522,8100.87-2.38
Network Solutions L.L.C.22,2390.8323,3160.89-7.11
Let's Encrypt19,4490.7215,0100.5726.19
Parallels17,0530.6316,8450.64-1.41
Verisign13,1250.4914,4750.55-11.69
Trustwave Holdings, Inc.12,7470.4712,6800.48-2.10
SomeOrganization11,2220.4211,0250.42-0.87
Thawte, Inc.10,7910.4011,7820.45-10.80
Google Inc10,2800.3810,0410.38-0.29
QuoVadis Limited7,2340.276,8890.262.27
Cybertrust Japan Co., Ltd.5,5030.205,4110.21-0.95
none5,1620.194,9380.191.81
AlphaSSL5,0670.195,7860.22-14.71
WoSign CA Limited4,9560.184,6810.183.11
Comodo Limited3,9990.154,0220.15-3.17
cPanel, Inc.3,8910.1400.00N/A
SECOM Trust Systems CO.,LTD.3,6450.143,6520.14-2.80
ispgateway3,0310.112,9820.11-1.01
DreamHost2,9320.112,6890.106.19
Corporation Service Company2,7180.103,6270.14-27.02
SecureCore2,5640.102,4330.092.63
Volusion, Inc.2,4460.092,6360.10-9.63
Equifax (Geotrust)2,2120.082,3130.09-6.86
KDDI Web Communications Inc.2,1580.081,9810.086.09
GANDI SAS1,9780.072,1300.08-9.56
Amazon1,8720.071,4930.0622.11
Government of Korea1,8630.071,8850.07-3.75
National Institute of Informatics1,8140.071,7920.07-1.41
Odin1,8080.071,5070.0616.84
nazwa.pl sp. z o.o.1,7650.071,6120.066.63
Intermediate Certificate1,7500.071,7640.07-3.38
T-Systems International GmbH1,7240.061,7240.07-2.61
SSL.com1,2850.051,2130.053.17
U.S. Government1,2400.051,2720.05-5.06
Trend Micro Inc1,1730.048730.0330.86
EUNETIC GmbH1,1420.041,1280.04-1.40
DOMENY.PL sp. z o.o1,0000.049330.044.38
Root CA9920.041,0390.04-7.02
Comodo CA Limited9850.041,0570.04-9.24
CAcert Inc.9790.041,0100.04-5.60
TAIWAN-CA9750.049230.042.88
Internet Widgits Pty Ltd9610.049630.04-2.81
SwissSign AG8920.038800.03-1.28
NetLock Kft.8490.038420.03-1.80
Hostpoint GmbH8340.036190.0231.22
KEYNECTIS8050.037650.032.48
Thawte7790.038140.03-6.80
Globe Hosting, Inc.7300.037470.03-4.83
Rede Nacional de Ensino e Pesquisa - RNP7290.037010.031.28
KPN Corporate Market BV6480.026570.03-3.94
Zimbra Collaboration Server6370.026280.02-1.21
ICP-Brasil6300.026320.02-2.92
FNMT-RCM6100.026050.02-1.81
Parallels, Inc.5660.025940.02-7.20
TBS INTERNET5610.025470.02-0.12
nazwa.pl S.A.4990.025420.02-10.34
ACCV4890.024830.02-1.40
WebSupport, s.r.o.4670.024420.022.90
SWsoft, Inc.4520.024450.02-1.08
Dreamcommerce S.A.4470.024160.024.65
TAIWAN-CA INC.4230.024500.02-8.45
Snake Oil, Ltd4170.024030.020.77
Trust Provider B.V.4150.023010.0134.28
Firstserver, Inc4090.024180.02-4.71
XX3660.013650.01-2.34
CrossTrust3590.013580.01-2.34
Buypass AS-9831633273440.013100.018.07
Universitaet Stuttgart3110.013090.01-1.98
Register.com3110.013410.01-11.18
Default Company Ltd3030.012760.016.92
HTTPS Management Certificate for SonicWALL (self-signed)2970.013140.01-7.88
Yandex LLC2920.012970.01-4.25
Apache HTTP Server2850.012690.013.18
Site Blindado S.A.2790.012620.013.71
Servision Inc.2690.014240.02-38.21
OCC2590.012650.01-4.81
Pavel&Pavel2580.012580.01-2.61
Agencia Catalana de Certificacio (NIF Q-0801176-I)2530.012630.01-6.31
DOMENY.PL Ltd.2520.012650.01-7.39
Dell Inc.2500.012480.01-1.82
Actalis S.p.A./033585209672500.012450.01-0.62
Oracle Corporation2480.012470.01-2.22
QuoVadis Trustlink BV2470.0100.00N/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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