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Certificate Authority Market Share Report
February 1st, 2025

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 January 2025
Count
January 2025
%
December 2024
Count
December 2024
%
Growth
%
Let's Encrypt3,951,79536.483,996,09437.40-2.46
Sectigo Limited1,866,11017.231,841,27217.23-0.03
DigiCert899,5608.31886,5038.300.09
Unknown646,9955.97633,3945.930.76
GlobalSign nv-sa492,0924.54478,6964.481.40
Amazon208,2531.92213,3632.00-3.72
GoDaddy.com, Inc.199,6821.84199,1751.86-1.11
CloudSecure Corporation178,1751.64175,7241.640.01
Google Trust Services169,6181.57164,5111.541.70
CLOUDFLARE, INC.116,4071.072,4150.024654.53
New Dream Network LLC dba Dreamhost115,4781.07114,5421.07-0.56
Gehirn Inc.111,5041.03110,1851.03-0.18
Starfield Technologies, Inc.107,8381.00107,2091.00-0.78
Unizeto Technologies S.A.105,7260.98104,6900.98-0.39
Plesk99,6940.9299,7810.93-1.45
SomeOrganization68,4900.6368,6940.64-1.65
ddos-guard60,9270.5660,3870.57-0.48
Microsoft Corporation58,9910.5456,8540.532.35
GEANT Vereniging58,9260.5454,7270.516.21
ispgateway50,9610.4750,8520.48-1.15
ZeroSSL47,8350.4442,7900.4010.27
cPanel, Inc.47,2330.4451,9730.49-10.36
TrustAsia Technologies, Inc.45,5090.4246,2040.43-2.85
Internet Widgits Pty Ltd45,1360.4242,9890.403.56
home.pl S.A.44,4760.4127,3940.2660.15
Actalis S.p.A.40,2310.3738,9740.361.82
none39,3450.3639,3560.37-1.39
GoGetSSL37,1800.3436,1810.341.36
DigiCert, Inc.36,7260.3436,0850.340.39
Japan Registry Services Co., Ltd.36,2380.3335,9270.34-0.51
cPanel, LLC33,0690.3161,9050.58-47.31
Internet232,0400.3031,4110.290.61
Acme Co29,4260.2729,0040.270.07
Default Company Ltd25,2130.2324,7210.230.60
Unspecified23,8240.2223,3100.220.81
SH22,6430.2122,7180.21-1.69
Gandi21,5640.2022,3320.21-4.75
Soluciones Corporativas IP, SL20,4720.1920,6200.19-2.07
COMODO CA Limited18,8410.1721,5050.20-13.58
nazwa.pl sp. z o.o.18,6230.1718,5300.17-0.87
AfterMarket.pl15,9480.1522,1880.21-29.10
World4You Internet Services GmbH15,9140.1515,6740.150.15
Parallels15,2340.1415,7990.15-4.89
SECOM Trust Systems CO.,LTD.15,1020.1414,8510.140.31
Entrust, Inc.14,9530.1415,6810.15-5.94
Apache HTTP Server14,7510.1414,7580.14-1.41
Test Self SSL Company13,8010.1313,6670.13-0.39
Beijing Knownsec Information Technology Co., Ltd13,6740.1313,7060.13-1.59
FASTPANEL12,7720.1212,3680.121.86
WoTrus CA Limited12,3150.118,0260.0851.35
Beijing Xinchacha Credit Management Co., Ltd.11,8110.1111,7460.11-0.82
Cybertrust Japan Co., Ltd.11,6630.1111,6130.11-0.94
Basekit Ltd11,4210.1111,3070.11-0.37
Odin11,0510.1011,2760.11-3.33
KAGOYA-JAPAN9,9440.099,9680.09-1.60
cyber_Folks S.A.9,6340.099,1740.093.58
XX9,2420.099,3200.09-2.19
The Trustico Group Ltd8,7490.088,1930.085.33
o2switch8,5960.088,4190.080.71
www.sprinthost.ru8,2970.088,2310.08-0.57
SSL Corporation7,9980.076,7390.0617.07
dhosting.pl Sp. z o.o.7,7860.077,7410.07-0.79
DirectAdmin Self-Signed7,6170.077,4760.070.50
Organization6,8310.066,7630.06-0.37
LiteSpeedCommunity6,5180.066,1990.063.71
Alpiro s.r.o.6,5100.067,0270.07-8.62
CloudFlare, Inc.6,4330.066,4580.06-1.74
GeoTrust Inc.6,1570.066,1300.06-0.93
Zhejiang Huluwa Digital Certification Co., Ltd.5,7230.055,5840.051.09
Network Solutions L.L.C.5,7090.055,6960.05-1.14
TAIWAN-CA5,4000.054,9620.057.35
FASTVPS5,2470.055,1470.050.55
GMO CLOUD K.K.5,1650.055,0610.050.67
sslTrus5,1400.054,5280.0411.97
My Company Ltd5,1340.055,1100.05-0.90
Trust Provider B.V.5,1290.055,2330.05-3.32
Hestia Control Panel4,9490.054,8310.051.05
ovipanel4,7600.0400.00N/A
CentOS Web Panel3,8470.043,5450.037.04
Certainly3,7640.034,1770.04-11.11
DivMulTech LLC3,5920.033,5920.03-1.36
Baidu, Inc.3,3570.033,3320.03-0.62
x3,3310.033,2860.03-0.01
Fortinet3,2430.032,7720.0315.40
Webador3,2130.033,1110.031.87
Guardian Inc.3,1880.032,8550.0310.14
SSL Server3,1420.033,1440.03-1.42
Rede Nacional de Ensino e Pesquisa - RNP3,0200.032,7450.038.52
Deutsche Telekom Security GmbH3,0200.032,9540.030.84
ACME3,0200.032,8910.033.04
DNSPod, Inc.2,9400.032,9580.03-1.96
Dattatec.com2,8290.032,7930.03-0.09
ZONER Software, a.s.2,6890.022,7320.03-2.91
Gandi SAS2,6640.0200.00N/A
Skok.CZ2,5880.022,5620.02-0.36
WEDOS GLOBAL2,5720.0200.00N/A
Comodo Japan, Inc.2,4420.022,4580.02-2.00
Fortinet Inc.2,3900.022,2380.025.34
SpinupWP2,3170.022,2680.020.77
Greenhost2,2990.022,2930.02-1.10

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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