| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRITISH STANDARDS (PUBLISHING) LIMITED | 03909666 | 03/10/2000 | Dissolved |
| BRITISH STANDARDS LIMITED | 05901534 | 10/08/2006 | Dissolved |
| BSI BRITISH STANDARDS LIMITED | 03555090 | 03/10/2000 | Dissolved |
| BSI BUSINESS SOLUTIONS LIMITED | 01810842 | 03/10/2000 | Dissolved |
| BSI CORPORATION LIMITED | 06017976 | 04/12/2006 | Dissolved |
| BSI GLOBAL LIMITED | 06017979 | 04/12/2006 | Dissolved |
| BSI GROUP INTERNATIONAL LIMITED | 06017931 | 04/12/2006 | Dissolved |
| BSI LEARNING LIMITED | 06017983 | 04/12/2006 | Dissolved |
| BSI PRODUCT SERVICES HOLDINGS LIMITED | 05901122 | 09/08/2006 | Dissolved |
| BSI PRODUCT SERVICES LIMITED | 05901081 | 09/08/2006 | Dissolved |
| BSI PRODUCT SERVICES UK LIMITED | 01857097 | 03/10/2000 | Dissolved |
| Bsi Finance Ltd | 03785592 | 03/10/2000 | Dissolved |
| Bsi Quality Assurance Services Ltd | 01529919 | 03/10/2000 | Dissolved |
| CHISWICK HOUSE | 02159355 | 03/10/2000 | Dissolved |
| ENTROPY INTERNATIONAL LIMITED | 03219952 | 31/05/2006 | Dissolved |
| HYPERCAT SERVICES LIMITED | 10611531 | 09/02/2017 | Dissolved |
| Inspectorate Trustee Limited | 02727389 | 03/10/2000 | Dissolved |
| KITEMARK LIMITED | 03120262 | 03/10/2000 | Dissolved |
| Water Industry Certification Scheme Ltd | 02209961 | 03/10/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUREAU VERITAS COMMODITY SERVICES LIMITED | 02721275 | 03/10/2000 | 13/10/2005 | Silver |
| British Standards (Publishing) Sales Ltd | 03909632 | 03/10/2000 | 02/05/2007 | Dissolved |
| DANIEL C. GRIFFITH HOLDINGS LIMITED | 01748033 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE (INTERNATIONAL HOLDINGS) LIMITED | 00955158 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE (OVERSEAS) LTD | 02759616 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE (U.S.) LTD | 02759612 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE HOLDINGS (U.S.) LIMITED | 04616176 | 12/12/2002 | 13/10/2005 | Dissolved |
| INSPECTORATE INSPECTION AND TESTING LIMITED | 01828536 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE INTERNATIONAL LIMITED | 00638315 | 03/10/2000 | 13/10/2005 | Bronze |
| INSPECTORATE INVESTMENTS (NUMBER TWO) LIMITED | 00184656 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE INVESTMENTS LIMITED | 00798250 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE QUALITY CONSULTANCY SERVICES LIMITED | 01828921 | 03/10/2000 | 13/10/2005 | Dissolved |
| INSPECTORATE WORLDWIDE SERVICES LIMITED | 01567556 | 03/10/2000 | 13/10/2005 | Dissolved |
| WATSON GRAY LIMITED | 00984954 | 03/10/2000 | 13/10/2005 | Silver |