| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 'HIRE ONE' LIMITED | 04277104 | 09/08/2013 | Bronze |
| AMALGAMATED CONSTRUCTION LTD | 00995892 | 01/07/2012 | Bronze |
| AMCO GROUP HOLDINGS LIMITED | 06756943 | 01/07/2012 | Silver |
| AMCO GROUP LIMITED | 06476276 | 01/07/2012 | Gold |
| BRITANNIA CONSTRUCTION LIMITED | 01164013 | 30/09/2016 | One Red Flag |
| BRITANNIA GROUP LIMITED | 01687528 | 30/06/2017 | Not Trading |
| CARNELL GROUP HOLDINGS LIMITED | 10192180 | 29/01/2020 | Silver |
| CARNELL SUPPORT SERVICES LIMITED | 02843581 | 29/01/2020 | Silver |
| CLARKE TELECOM LIMITED | 07524755 | 28/04/2014 | Bronze |
| ENVOLVE INFRASTRUCTURE LIMITED | 01835363 | 09/08/2013 | One Red Flag |
| GEODUR UK LIMITED | 02256642 | 30/06/2017 | Not Trading |
| GIFFEN GROUP LIMITED | 00252314 | 31/10/2016 | Bronze |
| GIFFEN HOLDINGS LIMITED | 06994252 | 31/10/2016 | Amber |
| INHOCO 3520 LIMITED | 06887591 | 30/06/2017 | Not Trading |
| INJECT-O-MATIC GUARANTEE LIMITED | 01802470 | 30/06/2017 | Not Trading |
| KNEX PIPELINES & CABLES LIMITED | 03417019 | 09/08/2013 | Dissolved |
| LEWIS CIVIL ENGINEERING LIMITED | 07152730 | 04/01/2016 | Not Trading |
| MOTHERSILL ENGINEERING LIMITED | 06606705 | 30/05/2008 | Dissolved |
| NUCLEAR DECONTAMINATION SERVICES LTD | 06483958 | 29/01/2016 | Not Trading |
| P.P.S. ELECTRICAL LIMITED | 02996150 | 21/09/2007 | Silver |
| PINE PLANT LIMITED | 12405040 | 15/01/2020 | Bronze |
| QTS GROUP LTD. | SC346116 | 10/05/2018 | Silver |
| QTS RAIL LTD | SC346110 | 10/05/2018 | Not Trading |
| QTS SPECIALISED PLANT SERVICES LTD | SC460391 | 10/05/2018 | Not Trading |
| QTS TRAINING LTD | SC346108 | 10/05/2018 | Silver |
| RAIL ELECTRIFICATION LIMITED | SC512016 | 28/05/2021 | Bronze |
| RENEW CIVIL ENGINEERING LIMITED | 05485409 | 30/09/2016 | Not Trading |
| RENEW CONSTRUCTION LIMITED | 05485399 | 30/09/2016 | Not Trading |
| RENEW CORPORATE DIRECTOR LIMITED | 04843611 | 09/07/2015 | Not Trading |
| RENEW FLEET MANAGEMENT LIMITED | 09195355 | 08/09/2014 | Bronze |
| RENEW GROUP LIMITED | 05680393 | 30/09/2016 | Not Trading |
| RENEW HOLDINGS PLC. | 00650447 | 21/07/2014 | Silver |
| RENEW LIMITED | 05485415 | 30/09/2016 | Not Trading |
| RENEW NOMINEES LIMITED | 02347041 | 09/07/2015 | Not Trading |
| RENEW PENSION TRUSTEE COMPANY LIMITED | 05226932 | 27/11/2017 | Not Trading |
| RENEW PROPERTY DEVELOPMENTS LIMITED | 07203268 | 30/06/2017 | Not Trading |
| RENEW SPECIALIST SERVICES LIMITED | 05485386 | 30/09/2016 | Not Trading |
| SEYMOUR (C.E.C.) HOLDINGS LIMITED | 04837485 | 04/01/2016 | Silver |
| SEYMOUR (CIVIL ENGINEERING CONTRACTORS) LTD. | 01374637 | 04/01/2016 | One Red Flag |
| SHEPLEY ENGINEERS LIMITED | 02926871 | 08/04/1999 | Silver |
| V.H.E. CONSTRUCTION PLC | 01457182 | 21/07/2014 | Silver |
| VHE (CIVIL ENGINEERING) LIMITED | 02470968 | 30/06/2017 | Not Trading |
| VHE EQUIPMENT SERVICES LIMITED | 02939633 | 30/06/2017 | Dissolved |
| VHE LAND PROJECTS LIMITED | 01972694 | 30/06/2017 | Dissolved |
| VHE TECHNOLOGY LIMITED | 02369458 | 30/06/2017 | Not Trading |
| WEST CUMBERLAND ENGINEERING LIMITED | 03170481 | 21/09/2007 | Silver |
| YJL CONSTRUCTION LIMITED | 01755063 | 30/06/2017 | Dissolved |
| YJL HOMES LIMITED | 00649328 | 30/06/2017 | Silver |
| YJL INFRASTRUCTURE LIMITED | 00649330 | 30/06/2017 | Dissolved |
| YJL LIMITED | 00580956 | 30/06/2017 | Gold |
| YJL LONDON LIMITED | 00649329 | 30/06/2017 | Dissolved |
| Zoe Garnett Ltd | 04691962 | 10/03/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BPE SPECIALISED DRILLINGS LIMITED | 04080803 | 16/03/2016 | 02/02/2018 | Not Trading |
| FOREFRONT GROUP LIMITED | 05315339 | 16/03/2016 | 02/02/2018 | Not Trading |
| FOREFRONT UTILITIES LIMITED | 03214416 | 16/03/2016 | 02/02/2018 | Bronze |
| WALTER LILLY & CO. LIMITED | 00352437 | 30/09/2016 | 03/10/2024 | Bronze |
| WEST CUMBERLAND INSULATION (1997) LIMITED | 03337345 | 21/09/2007 | 22/01/2015 | Dissolved |