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You are viewing an outdated report. The latest version of this report was published on August 1st, 2019


    
Certificate Authority Market Share Report
April 1st, 2019

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 doesn't verify the signatures of the certificates it finds, it only uses the issuer Organization Name to uniquely identify the issuing CA.

CA March 2019
Count
March 2019
%
February 2019
Count
February 2019
%
Growth
%
DigiCert148,90623.78708,01216.2646.18
COMODO CA Limited124,46019.871,240,75828.50-30.28
Let's Encrypt95,70015.28658,57415.131.00
GlobalSign nv-sa34,9005.57318,0987.31-23.75
GoDaddy.com, Inc.33,7305.39238,3995.48-1.66
cPanel, Inc.27,9044.46135,5423.1143.09
Sectigo Limited16,3352.6172,6081.6756.36
Unknown15,6902.51115,2832.65-5.41
Amazon15,0892.4195,6672.209.62
Starfield Technologies, Inc.7,4791.1949,8361.144.30
TERENA7,1221.1431,0880.7159.23
Internet25,7340.9232,3960.7423.02
GeoTrust Inc.4,6700.7526,0570.6024.56
Plesk4,3410.6924,0140.5525.64
none4,0350.6422,3210.5125.64
ispgateway3,8970.6225,0830.587.98
Entrust, Inc.3,8850.6225,3080.586.69
SomeOrganization3,5300.5626,0590.60-5.85
Parallels3,3310.5319,3370.4419.73
Unizeto Technologies S.A.3,2400.5223,9910.55-6.14
Gandi2,9450.4720,8630.48-1.89
Google Trust Services2,6310.4255,3961.27-66.99
SecureCore2,5170.4014,0330.3224.66
Odin2,5090.4014,1240.3223.47
home.pl S.A.2,4460.3913,0610.3030.16
Microsoft Corporation2,2580.3625,5990.59-38.69
Network Solutions L.L.C.2,0240.3213,6050.313.40
QuoVadis Limited1,9270.3111,6640.2714.82
Trustwave Holdings, Inc.1,9050.3016,2080.37-18.31
Gehirn Inc.1,2800.207,0540.1626.12
Webhosting1,1730.195,3640.1251.99
Actalis S.p.A./033585209671,1080.186,8200.1612.92
Cybertrust Japan Co., Ltd.1,0450.1711,1440.26-34.83
DreamHost1,0390.175,0670.1242.52
Corporation Service Company9810.165,4020.1226.22
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.9270.154,9000.1131.49
nazwa.pl sp. z o.o.8790.145,7430.136.38
Trust Provider B.V.8690.144,4820.1034.76
SECOM Trust Systems CO.,LTD.8230.134,7410.1120.65
Japan Registry Services Co., Ltd.7820.123,6210.0850.10
WebSupport, s.r.o.7600.124,2570.1024.08
HydrantID (Avalanche Cloud Corporation)7460.123,3310.0855.66
Rede Nacional de Ensino e Pesquisa - RNP7280.121,8800.04169.14
thawte, Inc.6610.114,3140.106.49
Hosting Ukraine LLC5590.093,9420.09-1.44
GeoTrust, Inc.5430.093,3340.0813.20
The Trustico Group Ltd5220.084,4580.10-18.62
Symantec Corporation4830.082,8590.0717.42
National Institute of Informatics4730.082,1950.0549.77
Dreamcommerce S.A.4590.076560.02386.31
TrustAsia Technologies, Inc.4570.072,9480.077.74
MyCompany4430.071,3410.03129.60
StartCom Ltd.4160.075,4010.12-46.47
SSL.com4040.062,4230.0615.89
XX4000.061,7360.0460.14
KAGOYA-JAPAN4000.061,8890.0447.17
Nijimo, Inc.3970.063,5030.08-21.23
SwissSign AG3920.061,8260.0449.21
KDDI Web Communications Inc.3700.062,5750.06-0.13
DOMENY.PL sp. z o.o3650.062,7970.06-9.30
Internet Widgits Pty Ltd3610.068,4630.19-70.35
WEDOS Internet, a.s.3520.062,1730.0512.59
SH3410.052,3480.050.94
TAIWAN-CA3390.051,8650.0426.33
Government of Korea3370.051,5970.0446.67
T-Systems International GmbH3270.051,8960.0419.87
Default Company Ltd3240.052,2150.051.67
Comodo Limited3050.052,0150.055.20
Test Self SSL Company2970.051,8110.0413.98
WoSign CA Limited2840.051,4450.0336.60
Martin Ertl - Kompas2790.0400.00N/A
AC Camerfirma S.A.2770.041,4110.0336.44
NetLock Kft.2450.041,3040.0330.58
Acme Co2430.042,0520.05-17.69
Buypass AS-9831633272410.041,1270.0348.63
Globe Hosting, Inc.2400.047610.02119.19
AffirmTrust2240.041,2430.0325.25
CertCenter AG2050.039890.0244.07
World4You Internet Services GmbH1940.031,4580.03-7.52
SAS PYVER1770.0300.00N/A
Nethost CA1690.0300.00N/A
Fiducia & GAD IT AG1620.037390.0252.36
EUNETIC GmbH1550.021,2050.03-10.60
www.sprinthost.ru1500.021,3510.03-22.83
Mirohost1470.021,2140.03-15.84
Apache HTTP Server1350.0214,5640.33-93.56
Acorn Internet Services1310.0200.00N/A
Thawte, Inc.1260.028110.027.98
DHIMYOTIS1240.026080.0141.75
Darkmay s.r.o.1230.0200.00N/A
Verisign1220.021,0830.02-21.71
Chunghwa Telecom Co., Ltd.1160.0200.00N/A
datengang.de1110.0200.00N/A
Soluciones Corporativas IP, SL1100.021,1000.03-30.50
FNMT-RCM1070.0200.00N/A
U.S. Government1050.027540.02-3.21
Greenhost1040.0200.00N/A
GMO CLOUD K.K.1040.0200.00N/A
Skok.CZ980.0200.00N/A
KEYNECTIS960.026950.02-4.00

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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