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	July 2019 Count	July 2019 %	June 2019 Count	June 2019 %	Growth %
COMODO CA Limited	1,414,602	21.67	1,376,349	23.15	-6.36
Let's Encrypt	1,225,602	18.78	1,077,393	18.12	3.64
DigiCert	1,027,892	15.75	939,430	15.80	-0.31
GlobalSign nv-sa	416,671	6.38	390,199	6.56	-2.71
Sectigo Limited	327,914	5.02	250,707	4.22	19.17
cPanel, Inc.	278,642	4.27	240,446	4.04	5.58
GoDaddy.com, Inc.	273,169	4.19	254,663	4.28	-2.27
Unknown	195,313	2.99	175,998	2.96	1.11
Amazon	126,106	1.93	114,866	1.93	0.02
Starfield Technologies, Inc.	102,886	1.58	89,663	1.51	4.54
Google Trust Services	63,128	0.97	61,479	1.03	-6.45
CloudFlare, Inc.	57,228	0.88	48,885	0.82	6.66
Plesk	49,569	0.76	42,573	0.72	6.08
SomeOrganization	44,307	0.68	40,187	0.68	0.45
SecureCore	41,525	0.64	34,115	0.57	10.90
Internet2	41,409	0.63	39,347	0.66	-4.12
ispgateway	41,091	0.63	36,795	0.62	1.75
none	40,641	0.62	35,479	0.60	4.36
TERENA	39,297	0.60	37,334	0.63	-4.10
Unizeto Technologies S.A.	36,439	0.56	33,588	0.56	-1.16
GeoTrust Inc.	32,158	0.49	30,092	0.51	-2.64
Entrust, Inc.	30,842	0.47	28,618	0.48	-1.81
Trustwave Holdings, Inc.	29,762	0.46	27,308	0.46	-0.70
Gehirn Inc.	29,488	0.45	23,492	0.40	14.36
Parallels	28,980	0.44	26,295	0.44	0.41
Gandi	26,714	0.41	25,223	0.42	-3.51
Microsoft Corporation	25,586	0.39	35,008	0.59	-33.41
Odin	23,661	0.36	21,034	0.35	2.49
home.pl S.A.	19,996	0.31	18,012	0.30	1.14
DreamHost	18,940	0.29	15,338	0.26	12.50
Network Solutions L.L.C.	15,438	0.24	14,904	0.25	-5.63
Actalis S.p.A./03358520967	15,307	0.23	12,919	0.22	7.95
Apache HTTP Server	15,224	0.23	15,052	0.25	-7.85
Cybertrust Japan Co., Ltd.	14,560	0.22	9,908	0.17	33.88
QuoVadis Limited	14,100	0.22	13,376	0.22	-3.96
SECOM Trust Systems CO.,LTD.	12,524	0.19	8,935	0.15	27.70
Webhosting	12,169	0.19	10,321	0.17	7.42
Internet Widgits Pty Ltd	11,809	0.18	11,159	0.19	-3.59
nazwa.pl sp. z o.o.	11,068	0.17	9,381	0.16	7.49
Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.	11,020	0.17	8,234	0.14	21.93
WebSupport, s.r.o.	7,769	0.12	6,829	0.11	3.65
Japan Registry Services Co., Ltd.	7,735	0.12	6,898	0.12	2.16
TrustAsia Technologies, Inc.	7,020	0.11	6,250	0.11	2.33
Corporation Service Company	6,895	0.11	6,610	0.11	-4.96
Trust Provider B.V.	6,817	0.10	6,260	0.11	-0.79
Hosting Ukraine LLC	6,451	0.10	5,847	0.10	0.52
io.ua	6,134	0.09	6,061	0.10	-7.79
StartCom Ltd.	5,479	0.08	5,389	0.09	-7.37
The Trustico Group Ltd	5,226	0.08	4,740	0.08	0.45
SH	4,796	0.07	4,182	0.07	4.48
thawte, Inc.	4,656	0.07	4,465	0.08	-4.99
WEDOS Internet, a.s.	4,584	0.07	3,892	0.07	7.31
World4You Internet Services GmbH	4,089	0.06	3,313	0.06	12.45
Default Company Ltd	4,045	0.06	3,597	0.06	2.46
Acme Co	4,011	0.06	3,417	0.06	6.95
GeoTrust, Inc.	3,775	0.06	3,612	0.06	-4.78
HydrantID (Avalanche Cloud Corporation)	3,511	0.05	3,484	0.06	-8.19
Pizza-Taxi.de GmbH / CA	3,508	0.05	3,467	0.06	-7.81
KAGOYA-JAPAN	3,396	0.05	2,992	0.05	3.41
Test Self SSL Company	3,218	0.05	2,763	0.05	6.11
XX	3,157	0.05	2,762	0.05	4.14
Comodo Limited	3,146	0.05	2,769	0.05	3.51
National Institute of Informatics	2,900	0.04	2,713	0.05	-2.61
Dreamcommerce S.A.	2,811	0.04	2,564	0.04	-0.12
DOMENY.PL sp. z o.o	2,721	0.04	2,518	0.04	-1.55
TAIWAN-CA	2,628	0.04	2,413	0.04	-0.77
Rede Nacional de Ensino e Pesquisa - RNP	2,615	0.04	2,427	0.04	-1.83
www.sprinthost.ru	2,575	0.04	2,257	0.04	3.94
SwissSign AG	2,564	0.04	2,364	0.04	-1.18
Symantec Corporation	2,560	0.04	2,526	0.04	-7.67
Caddy Self-Signed	2,458	0.04	0	0.00	N/A
Soluciones Corporativas IP, SL	2,403	0.04	2,290	0.04	-4.40
T-Systems International GmbH	2,395	0.04	2,247	0.04	-2.89
Mirohost	2,179	0.03	1,883	0.03	5.43
Nijimo, Inc.	2,099	0.03	4,316	0.07	-55.69
WoSign CA Limited	1,976	0.03	1,738	0.03	3.58
Buypass AS-983163327	1,957	0.03	1,774	0.03	0.51
Guardian Inc.	1,922	0.03	1,708	0.03	2.52
NetLock Kft.	1,876	0.03	1,753	0.03	-2.50
SSL.com	1,846	0.03	1,898	0.03	-11.39
MyCompany	1,805	0.03	1,704	0.03	-3.49
EUNETIC GmbH	1,804	0.03	1,643	0.03	0.04
Verisign	1,755	0.03	1,542	0.03	3.69
AC Camerfirma S.A.	1,631	0.02	1,445	0.02	2.84
dhosting.pl Sp. z o.o.	1,563	0.02	1,423	0.02	0.07
KDDI Web Communications Inc.	1,449	0.02	1,690	0.03	-21.88
CertCenter AG	1,409	0.02	1,299	0.02	-1.18
GoGetSSL	1,375	0.02	1,039	0.02	20.57
Government of Korea	1,373	0.02	1,465	0.02	-14.61
GMO CLOUD K.K.	1,254	0.02	1,056	0.02	8.19
OVH	1,233	0.02	1,061	0.02	5.88
AffirmTrust	1,216	0.02	1,188	0.02	-6.74
SSL Server	1,200	0.02	879	0.01	24.38
Globe Hosting, Inc.	1,190	0.02	1,079	0.02	0.48
UIC	1,171	0.02	1,171	0.02	-8.89
DealerInspire	1,163	0.02	948	0.02	11.77
N/A	1,151	0.02	981	0.02	6.90
WoTrus CA Limited	1,146	0.02	1,018	0.02	2.56
SSL Corporation	1,112	0.02	976	0.02	3.80
Comvive Servidores SL	1,108	0.02	984	0.02	2.59

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.