| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BOS CONSTRUCTION GROUP LTD | 08875123 | 31/03/2014 | Dissolved |
| BOS CONSTRUCTION LTD | 08856725 | 31/03/2014 | Dissolved |
| BOS FACILITIES MANAGEMENT LIMITED | 08896909 | 31/03/2014 | Dissolved |
| BUILT CONSTRUCTION LTD | 08848035 | 31/03/2014 | Dissolved |
| BUILT OFFSITE COMMERCIAL LTD | 10600216 | 03/02/2017 | Dissolved |
| BUILT OFFSITE EDUCATION LTD | 10599976 | 03/02/2017 | Dissolved |
| BUILT OFFSITE HEALTH LTD | 10600072 | 03/02/2017 | Dissolved |
| BUILT OFFSITE HIRE LIMITED | 07419945 | 15/11/2013 | Dissolved |
| BUILT OFFSITE HOMES LTD | 10598803 | 03/02/2017 | Dissolved |
| BUILT OFFSITE HOUSING LTD | 10598966 | 03/02/2017 | Dissolved |
| BUILT OFFSITE LIMITED | 10927708 | 22/08/2017 | Dissolved |
| BUILT ONSITE LTD | 08856827 | 31/03/2014 | Dissolved |
| CLEAN AIR HEALING LTD | 09959766 | 03/01/2017 | Dissolved |
| CLEAN AIR INNOVATIONS LTD | 10529044 | 03/01/2017 | Dissolved |
| CLEAN AIR LEARNING LTD | 09710847 | 15/10/2015 | Dissolved |
| CLEAN AIR LIFE LTD | 09959757 | 22/12/2016 | Strike Off |
| CLEAN AIR LIVING LTD | 09959795 | 22/12/2016 | Dissolved |
| DARWIN BUILDING SYSTEMS LTD | 11777635 | 05/11/2020 | Strike Off |
| DARWIN DESIGN LTD | 10928282 | 22/08/2017 | Strike Off |
| DARWIN ENGINEERING LTD | 10928273 | 22/08/2017 | Strike Off |
| DARWIN GROUP LIMITED | 05395228 | 25/10/2006 | Silver |
| DARWIN HEALTHCARE LTD | 10927833 | 22/08/2017 | Not Trading |
| DARWIN LIVING LIMITED | 12334951 | 09/10/2020 | Strike Off |
| DARWIN MODULAR LIMITED | 11669508 | 12/08/2019 | Strike Off |
| DARWIN OFFSITE LTD | 10930938 | 24/08/2017 | Strike Off |
| FOSTER PIERCE GROUP LIMITED | 08593837 | 15/11/2013 | Gold |
| FREENERGY SOLUTIONS LTD | 07356355 | 15/11/2013 | Dissolved |
| GOLDFOSTER LIMITED | 05387578 | 25/10/2006 | Amber |
| ITECH BUILDING SERVICES LIMITED | 09947451 | 03/01/2017 | Dissolved |
| OFFSITE BUILDING SYSTEMS LTD | 11822702 | 12/08/2019 | Dissolved |
| OFFSITE CONSULTANCY LTD | 10474811 | 03/01/2017 | Dissolved |
| ON DEMAND HEALTHCARE SOLUTIONS LIMITED | 10927834 | 22/08/2017 | Not Trading |
| ON-DEMAND HEALTHCARE INFRASTRUCTURE SOLUTIONS LIMITED | 10927802 | 12/08/2019 | Not Trading |
| ORCA FIVE LIMITED | 14917495 | 06/06/2023 | Bronze |
| ORCA NINE LIMITED | 14052975 | 19/04/2022 | Bronze |
| PASSIVBUILD LIMITED | 13056417 | 02/12/2020 | Strike Off |
| PASSIVE BUILD LIMITED | 13058133 | 02/12/2020 | Strike Off |
| PASSIVE BUILDINGS LIMITED | 13058257 | 02/12/2020 | Strike Off |
| PENNYFOSTER LIMITED | 09710845 | 15/10/2015 | Dissolved |
| PENNYGOLD LIMITED | 11991631 | 01/05/2020 | Dissolved |
| PENNYGOLD ONE LIMITED | 11991364 | 01/05/2020 | Dissolved |
| PERMANENT FASTTRACK LTD | 07427408 | 15/07/2011 | Dissolved |
| PIERCE DEVELOPMENTS (HOLDINGS) LIMITED | 09643276 | 15/10/2015 | Dissolved |
| PIERCE DEVELOPMENTS LIMITED | 08593543 | 15/11/2013 | Dissolved |
| RAPIDENTIAL LTD | 10529286 | 03/01/2017 | Dissolved |
| SAFECLAD EUROPE LIMITED | 10529355 | 03/01/2017 | Dissolved |
| SAFECLAD LIMITED | 09653628 | 15/10/2015 | Dissolved |
| SAFECLAD SYSTEMS LIMITED | 09643288 | 15/10/2015 | Dissolved |
| THE EDUCATION BULLETIN LIMITED | 09947305 | 03/01/2017 | Strike Off |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|