Top SSL Certificate Authorities

#	Technology
1	Let's Encrypt	466,882	55%	23	3,963
2	Google Trust Services	228,244	27%	30	4,528
3	DigiCert	35,062	4.2%	53	7,670
4	Amazon	33,418	4.0%	52	9,063
5	Sectigo	27,172	3.2%	38	3,542
6	GoDaddy	23,677	2.8%	25	3,960
7	GlobalSign	5,990	0.7%	59	4,241
8	Starfield Technologies, Inc.	4,290	0.5%	34	6,954
9	ZeroSSL	2,425	0.3%	23	3,764
10	Entrust	1,619	0.2%	70	18,903
11	Hellenic Academic and Research Institutions CA	1,161	0.1%	75	2,324
12	Internet2	978	0.1%	76	87,410
13	Cloudflare	888	0.1%	27	3,908
14	Certainly	776	0.1%	63	10,881
15	Network Solutions L.L.C.	667	0.1%	33	8,695
16	Actalis	585	0.1%	27	1,169
17	Certum	579	0.1%	55	1,275
18	Gandi SAS	496	0.1%	60	2,821
19	GoGetSSL	449	0.1%	43	2,288
20	Corporation Service Company	397	0.0%	61	14,046
21	Starfield Technologies	373	0.0%	24	4,756
22	Microsoft	348	0.0%	92	5,039
23	Network Solutions, LLC	309	0.0%	25	5,568
24	SSL.com	304	0.0%	40	5,888
25	Japan Registry Services Co., Ltd.	194	0.0%	59	852
26	Cybertrust Japan Co., Ltd.	192	0.0%	75	1,425
27	New Dream Network LLC dba Dreamhost	176	0.0%	18	2,033
28	Gandi	163	0.0%	59	3,362
29	TrustAsia Technologies, Inc.	150	0.0%	31	2,897
30	PerfectSSL	141	0.0%	32	1,704
31	eMudhra Technologies Limited	128	0.0%	71	3,238
32	home.pl S.A.	119	0.0%	39	1,058
33	SwissSign AG	116	0.0%	73	2,051
34	InCommon, LLC	110	0.0%	73	55,842

Market share