Certification Services in United Kingdom (UK)

This analysis relates to those sites found in the survey where the common name in the certificate matched the hostname, and the certificate's digital signature was not detected as being self-signed.

Market Share of Certification Authorities in United Kingdom (UK)

The following graph shows the share of sites currently certified by each certificate authority. Brands belonging to the major companies have been grouped together.

The worldwide version of this data is available on a separate page. This data is also available divided into:

Certificate market share

Certificate market share

The following table and graph show the change over time of the number of sites certified by the main CA companies. The different brands of the major players are grouped together (so RSA Data Security & Thawte are included in Verisign; Equifax and UserTrust are included in GeoTrust).

Certificate authority groups over time

Certificate authority group share

Authority Current
%		 2004 2005 2006
Jun Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
VeriSign 46.41 12772 13742 13899 13820 13877 13954 14086 14461 14619 14633 14709 14774 14856 14791
GeoTrust 30.78 3652 6368 6708 7000 7185 7474 7827 8208 8522 8767 9070 9342 9582 9809
Comodo 18.83 3179 4716 4860 5024 5092 5200 5355 5545 5729 5806 5971 6138 6245 6002
Other 2.28 198 263 291 313 305 322 347 415 480 495 550 595 676 726
GlobalSign 1.11 152 205 217 224 237 271 287 297 309 318 328 341 345 354
Entrust.net 0.59 123 148 164 161 164 164 165 174 178 171 173 183 189 188

The following graph and table show the complete results by certificate authority. These results are broken out into the individual companies and brands, as given by the organisation field on the certificate.

Certificate authority brands over time

Certificate authority brand share

Authority Current
%		 2004 2005 2006
Jun Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Equifax Secure Inc. 26.98 435 4489 4941 5347 5594 5986 6400 6822 7231 7560 7956 8267 8536 8600
Thawte Consulting cc 20.82 6581 6406 6433 6420 6419 6468 6532 6693 6730 6725 6708 6695 6715 6634
VeriSign Trust Network 14.51 3262 3894 3999 4013 4099 4187 4248 4393 4422 4422 4502 4541 4593 4624
Comodo Limited 12.30 3179 4640 4769 4916 4986 5083 5102 5125 5026 4890 4664 4479 4196 3921
AddTrust AB 5.98 0 0 0 0 0 0 120 289 568 775 1152 1499 1876 1907
RSA Data Security, Inc. 4.44 2929 2751 2683 2465 2341 2154 2006 1969 1873 1806 1672 1587 1510 1414
VeriSign, Inc. 3.73 0 0 45 161 250 355 484 557 728 806 926 1028 1113 1189
Thawte Consulting (Pty) Ltd. 2.92 0 691 739 761 768 790 816 849 866 874 901 923 925 930
Equifax 2.27 2606 791 770 764 779 767 776 794 785 777 765 752 744 724
The USERTRUST Network 1.40 426 981 898 814 742 657 590 532 449 373 299 276 262 447
GlobalSign nv-sa 0.93 152 196 203 204 213 234 243 251 259 266 270 282 286 295
Entrust.net 0.59 123 148 164 161 164 164 165 174 178 171 173 183 189 188
Digi-Sign Limited 0.51 0 0 0 0 0 0 0 6 22 41 67 96 129 164
DigiCert Inc. 0.50 0 76 89 103 99 110 126 124 127 133 144 148 160 160
StartCom Ltd. 0.47 0 0 21 23 21 32 53 84 109 110 120 121 139 149
IPS Certification Authority s.l. 0.31 97 88 89 98 91 89 89 97 91 90 93 98 99 99
XRamp Security Services Inc 0.30 12 64 65 67 71 77 80 81 84 85 86 86 92 95
Network Solutions L.L.C. 0.28 0 0 0 4 8 17 24 33 45 51 62 69 85 89
GlobalSign Inc 0.19 0 9 14 20 24 37 44 46 50 52 58 59 59 59
Starfield Technologies, Inc. 0.10 0 11 13 24 23 25 24 29 31 30 33 32 34 33
ChainedSSL 0.08 0 15 25 28 30 30 32 32 34 35 35 34 27 25
Cable & Wireless plc 0.06 0 18 20 20 20 16 18 18 17 16 17 18 20 20
Trusted Secure Certificate Authority 0.04 0 0 2 5 7 7 7 7 8 8 11 12 13 14
Accenture 0.03 2 7 7 5 5 5 6 6 7 7 9 9 9 10
Secure Business Services, Inc. 0.03 0 0 0 0 1 2 2 2 4 4 6 8 8 8
Akamai 0.03 3 4 5 5 5 6 6 6 6 7 7 9 9 8
Marks and Spencer Group plc 0.03 0 4 6 7 8 10 9 10 10 10 10 10 10 10
Trustis Limited 0.03 0 0 0 0 0 0 0 0 9 9 10 10 10 10
FreeSSL 0.02 185 92 74 47 40 34 29 28 23 17 9 7 7 7
Deutsche Telekom AG 0.02 7 6 6 6 6 5 5 5 5 6 6 5 5 5
Microsoft Secure Server Authority 0.02 0 0 0 0 0 0 0 0 6 6 6 6 8 7
TC TrustCenter for Security in Data Networks GmbH 0.02 5 7 8 8 6 7 6 7 7 5 6 6 6 6
SAIC 0.01 0 0 0 0 0 0 0 1 1 1 2 2 2 2
AddTrust Sweden AB 0.01 0 0 0 0 0 0 0 3 3 3 3 3 4 4
Cisco Systems 0.01 3 3 4 4 4 4 4 4 4 4 4 4 4 4
MessageLabs 0.01 0 0 0 0 0 0 0 0 3 3 3 3 3 3
Root CA 0.00 0 1 1 1 1 0 1 1 1 1 0 0 0 0
PKI Partner AB 0.00 7 0 0 0 0 0 0 0 0 0 0 0 0 0
B.A.T. 0.00 0 0 0 0 0 0 0 0 1 1 1 1 1 1
Sun Microsystems Inc 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 1
GTE Corporation 0.00 21 44 39 34 29 21 15 14 9 7 0 0 0 0
QuoVadis Limited 0.00 0 0 0 0 0 0 0 2 2 1 2 2 2 1
SCANDTRUST AB 0.00 5 0 0 0 0 0 0 0 0 0 0 0 0 0
Audkenni hf. 0.00 2 1 1 1 1 1 1 1 1 1 1 1 1 1
unknown 0.00 0 1 3 3 3 3 2 3 0 0 0 0 0 0
beTRUSTed 0.00 32 2 1 1 0 0 0 0 0 0 0 0 0 0
T-Systems Enterprise Services GmbH 0.00 0 0 0 0 0 0 0 0 0 0 0 1 1 1
Etisalat 0.00 2 2 2 2 2 2 2 2 2 1 1 0 0 0
Cap 0.00 0 0 0 0 0 0 0 0 0 0 1 1 1 1

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