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Certificate Authority Market Share Report
July 1st, 2024

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 June 2024
Count
June 2024
%
May 2024
Count
May 2024
%
Growth
%
Let's Encrypt3,492,68534.923,072,64233.843.19
Sectigo Limited1,762,52617.621,563,92917.222.31
DigiCert865,8758.66797,7628.79-1.46
Unknown546,5245.46495,9075.460.05
GlobalSign nv-sa465,1004.65434,5074.79-2.82
GoDaddy.com, Inc.236,0022.36212,6192.340.77
cPanel, Inc.234,4902.34273,6503.01-22.21
Amazon195,0431.95190,4302.10-7.02
Cloudflare, Inc.171,0931.71159,4761.76-2.60
CloudSecure Corporation151,2411.51130,3211.445.36
Starfield Technologies, Inc.121,9461.22122,3791.35-9.54
New Dream Network LLC dba Dreamhost103,8771.0490,8221.003.83
Gehirn Inc.99,9481.0086,4320.954.98
Plesk96,6120.9791,2461.00-3.88
Unizeto Technologies S.A.92,1530.9286,5250.95-3.31
SomeOrganization67,9900.6866,0300.73-6.52
GEANT Vereniging56,7310.5752,8920.58-2.63
ddos-guard52,8480.5351,2970.56-6.47
Microsoft Corporation49,7170.5044,8320.490.68
ispgateway48,1060.4841,8430.464.37
none44,6130.4541,2160.45-1.73
ZeroSSL44,6120.4539,2090.433.29
TrustAsia Technologies, Inc.43,4700.4342,9880.47-8.20
Internet Widgits Pty Ltd38,1100.3836,6780.40-5.67
GoGetSSL34,8180.3532,5890.36-3.01
Japan Registry Services Co., Ltd.33,7560.3431,6190.35-3.08
Actalis S.p.A.32,5490.3328,0160.315.47
Internet230,9630.3129,4310.32-4.49
DigiCert, Inc.30,7890.3128,9280.32-3.38
Default Company Ltd28,2120.2825,6300.28-0.07
Gandi24,7500.2523,5430.26-4.56
Acme Co24,2290.2423,1570.26-5.01
Google Trust Services LLC23,5770.2433,0010.36-35.14
SH22,2470.2222,3010.25-9.44
COMODO CA Limited21,8300.2222,4990.25-11.92
Soluciones Corporativas IP, SL20,6770.2120,1530.22-6.86
Entrust, Inc.18,5720.1917,4150.19-3.18
Unspecified17,9710.1816,2030.180.69
nazwa.pl sp. z o.o.17,7050.1815,2340.175.51
Parallels17,5140.1816,5340.18-3.84
Apache HTTP Server15,9680.1615,8890.17-8.76
AfterMarket.pl15,1160.1517,0170.19-19.36
SECOM Trust Systems CO.,LTD.14,8980.1515,3670.17-11.99
World4You Internet Services GmbH14,0300.1411,6440.139.39
Google Trust Services13,2760.1300.00N/A
Beijing Knownsec Information Technology Co., Ltd13,0160.1312,7860.14-7.58
Odin12,1900.1211,7990.13-6.21
Test Self SSL Company12,1260.1210,3980.115.87
Cybertrust Japan Co., Ltd.10,8430.1110,2220.11-3.70
Beijing Xinchacha Credit Management Co., Ltd.10,5240.119,3090.102.63
Basekit Ltd10,0040.108,2220.0910.46
Alpiro s.r.o.9,9790.109,1030.10-0.48
KAGOYA-JAPAN9,9370.109,4710.10-4.75
FASTPANEL9,3460.098,0920.094.85
XX8,8140.098,6040.09-7.00
www.sprinthost.ru7,5550.086,4860.075.75
dhosting.pl Sp. z o.o.7,4340.077,2510.08-6.92
SecureCore6,7660.075,9830.072.66
home.pl S.A.6,7160.075,0430.0620.90
The Trustico Group Ltd6,6830.075,9230.072.43
WoTrus CA Limited6,6420.076,0090.070.35
GeoTrust Inc.6,4230.066,1590.07-5.32
SSL Corporation5,9800.065,5490.06-2.16
Network Solutions L.L.C.5,8590.065,5610.06-4.35
TAIWAN-CA5,8400.065,5140.06-3.85
CloudFlare, Inc.5,4520.055,3330.06-7.19
Organization5,1530.054,1960.0511.49
Trust Provider B.V.5,0940.054,7740.05-3.13
FASTVPS5,0520.055,0060.06-8.38
My Company Ltd4,5740.054,4320.05-6.31
GMO CLOUD K.K.4,1580.043,6410.043.67
Rede Nacional de Ensino e Pesquisa - RNP4,0070.043,5050.043.79
Baidu, Inc.3,8700.043,9460.04-10.96
DivMulTech LLC3,5910.043,5900.04-9.19
sslTrus3,5890.043,1410.033.73
CentOS Web Panel3,4680.033,3310.04-5.48
LiteSpeedCommunity3,3440.032,8520.036.45
DirectAdmin Self-Signed3,3070.031,8830.0259.44
SSL Server3,1450.033,1450.03-9.22
Dreamcommerce S.A.3,1330.032,9200.03-2.59
Hestia Control Panel3,0840.032,7510.031.77
x3,0140.032,5980.035.32
Zhejiang Huluwa Digital Certification Co., Ltd.3,0120.032,8850.03-5.22
Guardian Inc.2,9100.032,9180.03-9.46
cyber_Folks S.A.2,7570.032,1800.0214.81
Deutsche Telekom Security GmbH2,7380.032,5290.03-1.71
ZONER Software, a.s.2,6820.032,4960.03-2.45
Dattatec.com2,5740.032,4280.03-3.76
Skok.CZ2,4270.022,2310.02-1.24
Buypass AS-9831633272,3370.022,2800.03-6.95
Webador2,3240.022,0610.022.37
WEDOS Internet, a.s.2,2900.0200.00N/A
DNSPod, Inc.2,2710.022,0380.021.16
Comodo Japan, Inc.2,2550.022,2090.02-7.33
Bitrix2,1370.021,9860.02-2.31
Greenhost2,1200.021,7550.029.66
ACME2,0860.021,7260.029.72
Certainly2,0740.021,7870.025.36
SiteHost1,9520.021,6850.025.17
N/A1,9050.0200.00N/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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