| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BROADCAST DATA SYSTEMS LIMITED | 01935399 | 04/06/2008 | Dissolved |
| CENSYDIAM LIMITED | 04223696 | 05/10/2012 | Dissolved |
| EUROPEAN RESEARCH ASSOCIATES LIMITED | 01971323 | 04/06/2008 | Dissolved |
| FIELD & TAB LIMITED | 01958269 | 04/06/2008 | Dissolved |
| IPSOS ACCESS PANELS LIMITED | 03135248 | 17/12/2001 | Dissolved |
| IPSOS CATI CENTRE LIMITED | 03308176 | 17/12/2001 | Dissolved |
| IPSOS HEALTH LIMITED | 04346912 | 18/03/2008 | Dissolved |
| IPSOS INSIGHT LIMITED | 01493407 | 23/04/2008 | Dissolved |
| IPSOS MORI (IRELAND) LIMITED | NI020620 | 27/10/2008 | Dissolved |
| IPSOS MORI NORTH LIMITED | 03879606 | 18/11/2010 | Dissolved |
| IPSOS NOVACTION & VANTIS LIMITED | 02745318 | 23/04/2008 | Dissolved |
| IPSOS-LOGISTICS LIMITED | 00856239 | 04/06/2008 | Dissolved |
| IPSOS-MARKETING LIMITED | 00404891 | 04/06/2008 | Dissolved |
| IPSOS-NOVACTION UK LIMITED | 01486807 | 10/11/2004 | Dissolved |
| IPSOS-RSL LIMITED | 01927906 | 04/06/2008 | Dissolved |
| MARKET DYNAMICS LIMITED | 03201038 | 04/06/2008 | Dissolved |
| MORI FINANCIAL SERVICES LIMITED | 01986177 | 04/06/2008 | Dissolved |
| NEW MEDIA RESEARCH LIMITED | 01848104 | 04/06/2008 | Dissolved |
| ON-LINE SCOTLAND LTD. | SC155426 | 04/06/2008 | Dissolved |
| ON-LINE TELEPHONE SERVICES LIMITED | 03141075 | 04/06/2008 | Dissolved |
| ON-LINE TELEPHONE SURVEYS LIMITED | 02276512 | 04/06/2008 | Dissolved |
| OTX EUROPE LIMITED | 05524522 | 27/08/2010 | Dissolved |
| PR TEST LIMITED | 02998981 | 27/10/2008 | Dissolved |
| RSL CAPIBUS LIMITED | 00989745 | 04/06/2008 | Dissolved |
| SYNOVATE (UK) LIMITED | 03824237 | 26/04/2012 | Dissolved |
| SYNOVATE MANAGEMENT SERVICES LIMITED | 04521391 | 27/07/2012 | Dissolved |
| SYNOVATE VIEWSCAST LIMITED | 03713126 | 26/04/2012 | Dissolved |
| TEST RESEARCH LIMITED | 03017037 | 21/10/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| IPSOS (MARKET RESEARCH) LTD | 00948470 | 27/10/2008 | 23/04/2018 | Silver |
| IPSOS EMEA HOLDINGS LTD | 04997072 | 27/10/2008 | 23/04/2018 | Bronze |
| IPSOS FOUNDATION | 09568658 | 28/05/2015 | 23/04/2018 | Silver |
| IPSOS HEALTHCARE JAPAN LIMITED | 04128947 | 21/12/2015 | 23/04/2018 | Dissolved |
| IPSOS INTERACTIVE SERVICES LIMITED | 03903040 | 19/12/2001 | 23/04/2018 | Silver |
| IPSOS MORI UK LIMITED | 01640855 | 03/12/2001 | 23/04/2018 | Silver |
| IPSOS PAN AFRICA HOLDINGS LTD | 04138425 | 27/07/2012 | 23/04/2018 | Amber |
| IPSOS RESEARCH LTD | 02388345 | 26/04/2012 | 23/04/2018 | Not Trading |
| LIVRA EUROPE LTD. | 03995173 | 22/07/2011 | 23/04/2018 | Dissolved |
| MORI LIMITED | 03904207 | 27/10/2008 | 23/04/2018 | Bronze |
| PRICESEARCH LIMITED | 02663997 | 23/04/2008 | 23/04/2018 | Amber |
| SYNOVATE HEALTHCARE LIMITED | 01813128 | 26/04/2012 | 23/04/2018 | Amber |