| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| INEOS (MALTA) COMPANY | 06631578 | 26/06/2008 | Not Trading |
| INEOS BIO HOLDINGS LIMITED | 06966033 | 27/05/2011 | Dissolved |
| INEOS BIO LIMITED | 02388655 | 27/05/2011 | Dissolved |
| INEOS BIO REFINERY (SEAL SANDS) LIMITED | 06888886 | 27/05/2011 | Dissolved |
| INEOS BIO RESOURCES LIMITED | 06889038 | 27/05/2011 | Dissolved |
| INEOS CANADA LIMITED | 10515425 | 07/12/2016 | Gold |
| INEOS CHEMICALS FRANCE HOLDINGS LIMITED | 08675590 | 10/12/2014 | Silver |
| INEOS CHINA HOLDINGS II LIMITED | 14396256 | 04/10/2022 | Bronze |
| INEOS CHINA HOLDINGS III LIMITED | 14401549 | 06/10/2022 | Bronze |
| INEOS CHINA HOLDINGS LIMITED | 13539510 | 30/07/2021 | N/A |
| INEOS COMPOUNDS UK LTD | 02514084 | 10/04/2012 | Gold |
| INEOS DERIVATIVES FRANCE LIMITED | 06674365 | 10/12/2014 | Bronze |
| INEOS EUROPEAN HOLDINGS LIMITED | 05310700 | 06/11/2023 | Bronze |
| INEOS FILMS LIMITED | 07085014 | 10/03/2016 | Gold |
| INEOS FINANCE COMPANY | 06688876 | 04/09/2008 | Gold |
| INEOS FINANCE COMPANY 1 | 08813066 | 12/12/2013 | Amber |
| INEOS FINANCE COMPANY 2 | 08813083 | 12/12/2013 | Bronze |
| INEOS FINANCE COMPANY 3 LIMITED | 09337435 | 02/12/2014 | Silver |
| INEOS FINANCE PLC | 07084307 | 06/11/2023 | Silver |
| INEOS FLUOR LIMITED | 04041123 | 30/03/2011 | Bronze |
| INEOS HOLDINGS (INVESTMENTS) LIMITED | 07497205 | 06/11/2023 | Silver |
| INEOS HOLDINGS INTERNATIONAL LIMITED | 03982231 | 30/09/2010 | Not Trading |
| INEOS HOLDINGS LIMITED | 04215887 | 06/11/2023 | Bronze |
| INEOS INDUSTRIES HOLDINGS LIMITED | 06958119 | 06/11/2023 | Silver |
| INEOS INDUSTRIES LIMITED | 06959146 | 06/11/2023 | Bronze |
| INEOS INDUSTRIES PROPERTY LIMITED | 09395791 | 19/01/2015 | Bronze |
| INEOS INVESTMENT HOLDINGS (GERMANY) LIMITED | 04122347 | 06/11/2023 | Amber |
| INEOS INVESTMENTS INTERNATIONAL LIMITED | 03938607 | 23/02/2007 | One Red Flag |
| INEOS NITRILES ASIA INVESTMENTS LIMITED | 08729724 | 11/10/2013 | Dissolved |
| INEOS NOMINEE LIMITED | 05310669 | 10/11/2010 | Dissolved |
| INEOS OLEFINS BELGIUM HOLDINGS LIMITED | 12908497 | 03/11/2023 | Bronze |
| INEOS OXIDE LIMITED | 03545207 | 23/11/2023 | Silver |
| INEOS QUATTRO FINANCE 1 PLC | 13091138 | 24/12/2020 | Silver |
| INEOS QUATTRO FINANCE 2 PLC | 13091130 | 24/12/2020 | Silver |
| INEOS QUATTRO FINANCING 1 LIMITED | 15099036 | 28/08/2023 | Bronze |
| INEOS QUATTRO FINANCING 2 LIMITED | 15104759 | 30/08/2023 | Bronze |
| INEOS QUATTRO FINANCING LIMITED | 09922303 | 06/11/2023 | Amber |
| INEOS QUATTRO HOLDINGS LIMITED | 09922632 | 06/11/2023 | Bronze |
| INEOS SALES (UK) LIMITED | 07445505 | 21/07/2021 | Silver |
| INEOS SILICAS LIMITED | 00048745 | 25/03/2009 | Bronze |
| INEOS TENDERCO LIMITED | 07185465 | 10/11/2010 | Not Trading |
| INEOS TIANJIN HOLDINGS LIMITED | 14225229 | 11/07/2022 | Amber |
| INEOS TREASURY (UK) LIMITED | 04068860 | 06/11/2023 | Bronze |
| INEOS US COMPANY LIMITED | 09337424 | 02/12/2014 | Dissolved |
| INEOS US DSS LIMITED | 04980788 | 10/11/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| INEOS 179 LIMITED | 12895322 | 22/09/2020 | 19/07/2021 | N/A |
| INEOS ACETYLS INTERNATIONAL LIMITED | 12777775 | 29/07/2020 | 17/03/2021 | Silver |
| INEOS ACETYLS UK LIMITED | 09925357 | 25/06/2020 | 19/02/2021 | Bronze |
| INEOS DERIVATIVES FRANCE LIMITED | 06674365 | 15/08/2008 | 30/09/2013 | Bronze |
| INEOS FPS LIMITED | 10660338 | 08/03/2017 | 04/07/2017 | Bronze |
| INEOS NITRILES (UK) LIMITED | 06238238 | 11/08/2008 | 21/08/2008 | One Red Flag |
| INEOS QUATTRO HOLDINGS UK LIMITED | 12698648 | 25/06/2020 | 17/03/2021 | Bronze |
| INEOS TECHNOLOGIES (HOLDINGS) LIMITED | 06716202 | 27/05/2011 | 16/02/2017 | Silver |
| INEOS TECHNOLOGIES (VINYLS) LIMITED | 07085219 | 27/05/2011 | 16/02/2017 | Bronze |