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You are viewing an outdated report.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


    
Certificate Authority Market Share Report
November 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 October 2019
Count
October 2019
%
September 2019
Count
September 2019
%
Growth
%
Let's Encrypt1,275,50020.211,519,77720.020.93
COMODO CA Limited1,268,24320.091,485,87319.582.65
DigiCert975,05915.451,165,84915.360.58
Sectigo Limited378,5406.00451,2215.940.89
GlobalSign nv-sa314,3654.98465,2016.13-18.73
cPanel, Inc.289,5014.59349,8284.61-0.48
GoDaddy.com, Inc.243,5623.86305,3764.02-4.08
Unknown193,1093.06234,3113.09-0.89
Amazon126,2932.00150,6831.990.80
Starfield Technologies, Inc.109,0491.73127,7431.682.66
CloudFlare, Inc.73,2501.1670,9490.9324.16
Google Trust Services64,9021.0366,2370.8717.84
Plesk53,6090.8563,6580.841.28
SecureCore46,5380.7456,0020.74-0.06
SomeOrganization44,9070.7152,9590.701.98
none40,5420.6450,1470.66-2.77
ispgateway40,3100.6448,9600.65-0.99
Internet237,2810.5945,2390.60-0.89
TERENA36,0850.5743,7690.58-0.85
Gehirn Inc.34,3390.5441,1780.540.29
Unizeto Technologies S.A.33,0980.5243,1460.57-7.75
Microsoft Corporation31,6980.5020,7730.2783.51
GeoTrust Inc.30,3800.4835,0010.464.38
Entrust, Inc.27,5270.4432,9730.430.40
Parallels26,9370.4333,1650.44-2.32
Odin23,5940.3728,5280.38-0.54
Gandi23,2200.3729,5840.39-5.61
DreamHost21,8370.3525,9180.341.33
home.pl S.A.19,7530.3123,7070.310.20
Trustwave Holdings, Inc.19,5470.3134,5960.46-32.05
Actalis S.p.A./0335852096717,0300.2720,3630.270.58
Apache HTTP Server15,3880.2415,5450.2019.05
Cybertrust Japan Co., Ltd.14,4410.2315,8610.219.49
Network Solutions L.L.C.13,5000.2116,1470.210.55
Webhosting12,7590.2015,7440.21-2.54
QuoVadis Limited12,7430.2014,8540.203.17
SECOM Trust Systems CO.,LTD.11,6050.1815,5260.20-10.11
Internet Widgits Pty Ltd11,3950.1813,3510.182.64
nazwa.pl sp. z o.o.10,2940.1613,3990.18-7.61
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.9,6760.1511,8680.16-1.95
Caddy Self-Signed7,9660.1310,0320.13-4.51
WebSupport, s.r.o.7,8440.129,6130.13-1.87
Japan Registry Services Co., Ltd.7,1290.118,9270.12-3.96
Trust Provider B.V.6,7520.118,1080.110.15
TrustAsia Technologies, Inc.6,6920.118,8710.12-9.28
Corporation Service Company6,5370.107,9410.10-1.00
io.ua6,3390.106,3130.0820.76
Hosting Ukraine LLC6,3150.107,5590.100.47
SH5,3830.096,1790.084.77
WEDOS Internet, a.s.4,9960.085,8920.081.97
StartCom Ltd.4,9510.085,5940.076.44
Acme Co4,7910.085,2390.079.98
World4You Internet Services GmbH4,4180.075,5140.07-3.64
The Trustico Group Ltd4,0460.064,8830.06-0.35
thawte, Inc.3,9980.064,9210.06-2.30
Default Company Ltd3,9930.064,8830.06-1.66
GoGetSSL3,8090.062,9650.0454.49
Pizza-Taxi.de GmbH / CA3,6030.063,5900.0520.70
KAGOYA-JAPAN3,3830.054,1700.05-2.44
Dreamcommerce S.A.3,2740.053,1970.0423.16
Test Self SSL Company3,2590.053,9650.05-1.15
XX3,1830.053,6300.055.45
GeoTrust, Inc.3,1370.053,9740.05-5.07
Comodo Limited3,0620.053,6640.050.50
HydrantID (Avalanche Cloud Corporation)3,0280.053,3810.047.71
DOMENY.PL sp. z o.o2,6920.043,2190.040.57
www.sprinthost.ru2,6760.043,2450.04-0.83
National Institute of Informatics2,6680.043,1830.040.80
Rede Nacional de Ensino e Pesquisa - RNP2,5470.042,9170.045.01
T-Systems International GmbH2,5000.042,7860.047.92
TAIWAN-CA2,2960.042,9350.04-5.92
SwissSign AG2,1980.033,1820.04-16.93
Mirohost2,1100.032,5910.03-2.06
Buypass AS-9831633272,0000.032,3590.031.96
SSL Server1,8780.031,8030.0225.26
WoSign CA Limited1,8630.032,1300.035.19
Symantec Corporation1,8290.032,4360.03-9.70
NetLock Kft.1,7190.032,1380.03-3.31
MyCompany1,6270.031,8580.025.31
CertCenter AG1,5990.031,7920.027.31
EUNETIC GmbH1,5830.031,8380.023.58
GMO CLOUD K.K.1,4890.021,6640.027.61
dhosting.pl Sp. z o.o.1,4830.021,8300.02-2.54
Guardian Inc.1,4730.022,0580.03-13.92
SSL.com1,4570.021,9400.03-9.68
OVH1,3830.021,5070.0210.37
Comvive Servidores SL1,3670.021,3660.0220.35
AC Camerfirma S.A.1,3210.021,7270.02-8.01
SSL Corporation1,3180.021,4510.029.24
Nijimo, Inc.1,2690.021,7960.02-15.03
Globe Hosting, Inc.1,2540.021,4160.026.50
DealerInspire1,2520.021,6290.02-7.57
AffirmTrust1,2120.0200.00N/A
Basekit Ltd1,1940.021,2590.0214.05
UIC1,1710.0200.00N/A
Soluciones Corporativas IP, SL1,1690.021,5260.02-7.87
ONEsolution s.r.o.1,1440.021,2700.028.33
Fasthosts Internet Limited1,1020.021,3250.020.02
FASTVPS1,0110.0200.00N/A
Apache Haus Distribution Test Certificate1,0000.0200.00N/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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