| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COGENTA SYSTEMS LIMITED | 05065553 | 12/05/2016 | Dissolved |
| GFK ASCENT-MI LIMITED | 06101625 | 14/10/2016 | Dissolved |
| GFK ENTERTAINMENT AND TRAVEL UK LIMITED | 03073596 | 12/05/2016 | Dissolved |
| GFK TELEPHONE INTERVIEWING SERVICES UK LIMITED | 03180166 | 12/05/2016 | Dissolved |
| GFK UK ENTERTAINMENTS LIMITED | 06580668 | 12/05/2016 | Dissolved |
| NUMBERS SERVICES LIMITED | 01986188 | 12/05/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GFK FIELD INTERVIEWING SERVICES UK LIMITED | 03105571 | 12/05/2016 | 19/12/2018 | Dissolved |
| GFK RETAIL AND TECHNOLOGY UK HOLDING LIMITED | 02673783 | 12/05/2016 | 09/01/2019 | Gold |
| GFK RETAIL AND TECHNOLOGY UK LTD | 02450463 | 12/05/2016 | 11/01/2019 | Silver |
| GFK SHARED SERVICES UK LIMITED | 03190837 | 12/05/2016 | 19/12/2018 | Dissolved |
| GFK U.K. LIMITED | 02512551 | 26/04/2016 | 19/12/2018 | Silver |
| IPSOS MYSTERY SHOPPING SERVICES UK LIMITED | 03190828 | 12/05/2016 | 10/10/2018 | Dissolved |
| IPSOS MYSTERY SHOPPING UK LIMITED | 05895847 | 12/05/2016 | 10/10/2018 | Dissolved |
| SPARK FIELD SOLUTIONS LIMITED | 01425948 | 12/05/2016 | 03/06/2016 | Dissolved |