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
%		 2005 2006 2007 2008
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
VeriSign 67.80 13102 14619 26267 26629 27009 27333 28081 28815 29598 29937 30264 30645 30823 31240 31712
Comodo 25.52 3889 5758 7268 7403 7511 7599 7850 8017 10714 10842 11293 11498 11680 11789 11934
Other 4.78 5561 9237 1268 1297 1348 1383 1467 1573 1582 1660 1750 1907 2022 2121 2234
Entrust.net 0.73 133 178 224 229 230 233 249 271 288 293 301 308 322 329 341
Network Solutions 0.64 0 45 155 154 149 155 170 170 201 203 248 265 280 294 300
AmbironTrustWave 0.53 0 0 0 0 0 0 0 0 219 222 225 234 230 238 249

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
%		 2005 2006 2007 2008
Jan Jan Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan
UTN-USERFirst-Hardware 20.20 0 0 3405 3843 4268 4716 5281 5649 7531 7766 8203 8561 8875 9162 9449
Equifax Secure Inc. 19.97 2541 7231 8578 8553 8529 8430 8578 8620 8700 8749 8834 8924 8992 9197 9341
Thawte Consulting cc 15.57 6385 6730 6801 6867 6917 6952 7041 7138 7231 7236 7230 7227 7218 7196 7284
Equifax 11.41 1523 785 2299 2576 2829 3162 3571 3957 4331 4615 4772 4910 5045 5198 5335
VeriSign Trust Network 11.33 3547 4422 4903 4944 4981 5001 5045 5149 5243 5221 5278 5298 5279 5264 5300
VeriSign, Inc. 6.21 0 728 1502 1573 1667 1779 1904 2077 2253 2334 2418 2587 2678 2809 2904
Comodo Limited 1.72 3860 5026 1949 1794 1633 1457 1287 1134 1484 1342 1276 1087 972 866 803
Thawte Consulting (Pty) Ltd. 1.72 334 866 916 919 920 907 898 892 881 860 861 856 830 812 805
AddTrust AB 1.56 0 568 1578 1422 1253 1054 888 831 1044 1024 1030 999 930 821 729
RSA Data Security, Inc. 1.35 2836 1873 1157 1116 1088 1033 975 907 876 839 785 745 701 665 630
Cybertrust 1.29 0 0 1 3 20 37 71 110 168 231 301 419 489 548 604
DigiCert Inc 1.20 29 127 218 226 231 248 253 278 412 430 435 485 508 524 563
Digi-Sign Limited 1.04 0 22 303 309 314 318 327 324 485 487 504 508 501 495 486
Comodo CA Limited 0.75 0 0 0 0 3 12 22 32 101 152 195 243 297 326 349
Entrust.net 0.72 133 178 224 229 230 233 249 271 288 293 301 308 322 328 339
GlobalSign nv-sa 0.65 174 259 333 338 348 341 345 354 359 357 351 332 324 319 306
Network Solutions L.L.C. 0.64 0 45 155 154 149 155 170 170 201 203 248 265 280 294 300
IPS Certification Authority s.l. 0.61 79 91 160 175 187 189 197 215 213 219 237 250 260 277 284
StartCom Ltd. 0.44 0 109 217 216 218 208 209 215 211 201 199 206 211 211 207
SecureTrust Corporation 0.37 0 0 0 0 0 2 22 35 57 69 80 115 131 154 174
XRamp Security Services Inc 0.16 49 84 162 160 166 174 174 167 162 153 145 119 99 84 75
The USERTRUST Network 0.12 948 449 96 66 62 51 49 53 59 51 53 62 38 49 54
GoDaddy.com, Inc. 0.12 0 0 0 0 1 5 11 14 16 23 33 36 44 49 57
Trusted Secure Certificate Authority 0.10 0 8 20 20 22 22 24 26 31 33 40 44 45 49 49
UTN - DATACorp SGC 0.10 0 0 3 3 5 7 8 9 15 16 24 34 38 47 47
GlobalSign 0.09 0 0 0 0 0 0 0 0 0 0 1 11 21 28 44
thawte, Inc. 0.09 0 0 0 0 0 0 5 6 10 17 19 22 27 34 40
GlobalSign Inc 0.05 0 50 56 58 58 58 57 55 57 51 45 39 33 30 25
Akamai Technologies Inc 0.05 0 0 6 8 10 10 14 13 20 22 22 23 22 21 24
Cybertrust Inc 0.05 0 0 0 0 0 0 0 3 4 7 9 9 14 20 25
Trustis Limited 0.03 0 9 10 10 11 11 9 10 10 11 12 12 12 12 14
Accenture 0.03 3 7 10 10 9 8 8 10 11 12 13 12 13 13 14
Secure Business Services, Inc. 0.03 0 4 3 4 5 5 5 4 12 11 11 12 12 13 12
T-Systems Enterprise Services GmbH 0.03 0 0 6 6 6 9 10 10 10 9 10 10 12 16 16
Marks and Spencer Group plc 0.02 3 10 8 9 9 9 9 9 10 10 10 10 10 9 9
Starfield Technologies, Inc. 0.02 0 31 32 30 29 29 32 28 27 24 20 18 18 13 11
GeoTrust Inc 0.02 0 0 0 0 1 2 2 3 4 5 5 5 6 7 9
QuoVadis Limited 0.01 0 2 1 1 0 1 1 0 2 2 2 2 2 3 3
Vodafone Group 0.01 0 0 0 0 1 1 1 2 5 5 5 5 5 5 5
SAIC 0.01 0 1 3 3 3 3 3 3 3 3 3 3 3 3 3
GlobalTrust 0.01 0 0 0 0 0 0 0 0 2 3 3 3 3 3 3
Microsoft Secure Server Authority 0.01 0 6 4 4 4 3 4 9 9 9 8 8 7 6 7
TC TrustCenter for Security in Data Networks GmbH 0.01 5 7 5 5 5 6 5 5 6 6 6 6 6 6 7
Sun Microsystems Inc 0.01 0 0 2 3 3 3 3 3 3 3 3 3 3 3 3
AddTrust Sweden AB 0.01 0 3 5 5 5 5 5 5 5 5 6 6 6 6 6
Root CA 0.00 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
Akamai 0.00 2 6 6 4 3 3 2 2 2 0 0 0 0 0 0
GTE Corporation 0.00 42 9 0 0 0 0 0 0 0 0 0 0 0 0 0
Coventry City Council 0.00 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1
Nestle 0.00 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0
Unicert Brasil Certificadora 0.00 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1
TBS INTERNET 0.00 0 0 2 3 3 3 3 3 4 3 1 1 1 1 1
FreeSSL 0.00 154 23 2 2 2 2 2 2 2 2 2 2 2 2 2
Jabber Software Foundation 0.00 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0
Deutsche Telekom AG 0.00 8 5 0 0 0 0 0 0 0 0 0 0 0 0 0
Cisco Systems 0.00 3 4 0 0 0 0 0 0 0 0 0 0 0 0 0
Entrust, Inc. 0.00 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2
ChainedSSL 0.00 0 34 8 8 8 8 6 6 2 2 1 1 1 1 1
IPS Seguridad CA 0.00 0 0 2 2 2 2 2 2 2 2 1 1 1 1 1
\\x00C\\x00a\\x00b\\x00l\\x00e\\x00 \\x00&\\x00 \\x00W\\x00i\\x00r\\x00e\\x00l\\x00e\\x00s\\x00s\\x00 \\x00p\\x00l\\x00c 0.00 7 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SCANDTRUST AB 0.00 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Audkenni hf. 0.00 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0
B.A.T. 0.00 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
CAcert Inc. 0.00 0 0 0 0 0 0 1 1 1 1 1 1 1 1 2
unknown 0.00 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
beTRUSTed 0.00 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Freeparking Domain Registrars Inc. 0.00 0 0 1 0 0 0 1 1 0 0 0 0 0 0 0
Etisalat 0.00 2 2 1 1 1 1 1 1 1 1 1 0 0 0 0
Cap 0.00 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
WebSpace-Forum, Thomas Wendt 0.00 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1
Cable & Wireless plc 0.00 0 17 26 28 26 25 22 18 20 20 21 5 2 2 1
MessageLabs 0.00 0 3 0 0 0 1 2 2 2 2 2 2 2 2 2

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