| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRIDGE HEATING LIMITED | 03890418 | 12/07/2017 | 29/06/2018 | One Red Flag |
| KIER CONSTRUCTION LIMITED | 02099533 | 26/01/2016 | 22/09/2023 | Bronze |
| KIER FACILITIES SERVICES LIMITED | 02624887 | 01/07/2018 | 06/01/2021 | Silver |
| KIER INSURANCE MANAGEMENT SERVICES LIMITED | 07406107 | 05/02/2016 | 21/08/2019 | Not Trading |
| KIER INTEGRATED SERVICES (ESTATES) LIMITED | 00216679 | 22/03/2016 | 08/06/2020 | Silver |
| KIER INTEGRATED SERVICES (HOLDINGS) LIMITED | 04321657 | 09/03/2015 | 08/06/2020 | One Red Flag |
| KIER INTEGRATED SERVICES GROUP LIMITED | 02372311 | 26/01/2016 | 08/06/2020 | One Red Flag |
| KIER INTEGRATED SERVICES LIMITED | 00873179 | 05/11/2015 | 12/02/2020 | Bronze |
| KIER INTERNATIONAL (INVESTMENTS) LIMITED | 01463191 | 25/08/2017 | 22/09/2023 | Silver |
| KIER INTERNATIONAL LIMITED | 00810557 | 12/11/2018 | 22/09/2023 | Amber |
| KIER NATIONAL LIMITED | 02100338 | 21/01/2016 | 12/06/2020 | Silver |
| KIER PLANT LIMITED | 04233359 | 05/02/2016 | 21/08/2019 | Silver |
| KIER SERVICES LIMITED | 02651873 | 05/10/2018 | 06/01/2021 | Silver |
| LAMBETH LEARNING PARTNERSHIP (PSP) LIMITED | 07196024 | 16/12/2015 | 31/01/2017 | Dissolved |
| MCNICHOLAS CONSTRUCTION (HOLDINGS) LIMITED | 01006026 | 12/07/2017 | 12/02/2020 | Amber |
| MCNICHOLAS CONSTRUCTION SERVICES LIMITED | 01510892 | 12/07/2017 | 12/02/2020 | Amber |
| MRBL LIMITED | 08177998 | 25/01/2016 | 21/08/2019 | One Red Flag |
| TRADEDIRECT LOGISTICS LIMITED | 11400572 | 05/11/2018 | 21/08/2019 | One Red Flag |