| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CITIES AND TRANSPORT FUTURES CATAPULT | 11837894 | 20/02/2019 | Dissolved |
| CITIES AND TRANSPORT FUTURES CATAPULT SERVICES LIMITED | 11839718 | 21/02/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARUP CORPORATE FINANCE LIMITED | 02338083 | 01/04/2004 | 31/03/2009 | Silver |
| ARUP GROUP LIMITED | 01312454 | 01/10/2001 | 31/03/2009 | Silver |
| ARUP GULF LIMITED | 01225561 | 01/04/2004 | 28/02/2010 | Bronze |
| ARUP LIMITED | 02461313 | 12/09/2005 | 31/03/2009 | Silver |
| ARUP NORTH AMERICA LIMITED | 02094896 | 01/04/2007 | 31/03/2009 | Bronze |
| ARUP PARTNERSHIPS(THE) | 01594245 | 01/04/2004 | 31/03/2010 | Gold |
| ARUP SERVICES NEW YORK LIMITED | 02269624 | 01/04/2004 | 31/03/2009 | Gold |
| ARUP TREASURY LIMITED | 02524467 | 01/04/2004 | 31/03/2009 | Amber |
| BIDGREAT LIMITED | 03922151 | 01/04/2004 | 31/03/2020 | Silver |
| BROOMCO (02703654) LIMITED | 02703654 | 17/07/2008 | 31/03/2009 | Dissolved |
| BROOMCO (02987098) LIMITED | 02987098 | 17/07/2008 | 31/03/2009 | Dissolved |
| BROOMCO (03266900) LIMITED | 03266900 | 12/09/2005 | 31/03/2009 | Dissolved |
| BROOMCO (03452299) LIMITED | 03452299 | 17/07/2008 | 31/03/2009 | Dissolved |
| BROOMCO (04239013) LIMITED | 04239013 | 17/07/2008 | 31/03/2009 | Dissolved |
| BROOMCO (1469) LIMITED | 03502255 | 17/07/2008 | 31/03/2009 | Dissolved |
| BROOMCO (2108793) LIMITED | 02108793 | 12/09/2005 | 31/03/2009 | Dissolved |
| BROOMCO (3384702) LIMITED | 03384702 | 17/07/2008 | 31/03/2009 | Dissolved |
| Broomco (1247754) Ltd | 01247754 | 01/04/2003 | 31/03/2009 | Dissolved |
| Broomco (1323318) Ltd | 01323318 | 01/04/2003 | 31/03/2009 | Dissolved |
| CHANNEL TUNNEL RAIL LINK LIMITED | 02315379 | 12/11/1996 | 31/12/1998 | Dissolved |
| CONNECTED PLACES CATAPULT | 11837978 | 20/02/2019 | 01/05/2020 | Silver |
| CONNECTED PLACES CATAPULT SERVICES LIMITED | 11839397 | 21/02/2019 | 01/04/2019 | Gold |
| CROSSRAIL LIMITED | 04212657 | 01/09/2011 | 30/06/2018 | Gold |
| EMPLOYEE OWNERSHIP ASSOCIATION | 01419899 | 11/10/2006 | 08/05/2014 | Silver |
| OASYS LIMITED | 01454051 | 12/09/2005 | 31/03/2009 | Not Trading |
| OVARPART NOMINEE LIMITED | 01289370 | 01/04/2004 | 03/02/2012 | Amber |
| OVE ARUP & PARTNERS INTERNATIONAL LIMITED | 00952468 | 04/01/1999 | 11/06/2013 | Silver |
| OVE ARUP & PARTNERS LIMITED | 01312453 | 27/11/1992 | 30/06/1996 | Gold |
| OVE ARUP INDIA HOLDINGS LIMITED | 01549807 | 07/06/2005 | 31/03/2009 | Amber |
| OVE ARUP PARTNERSHIP TRUST CORPORATION LIMITED | 02258234 | 01/04/2004 | 31/03/2020 | Not Trading |
| OVE ARUP PARTNERSHIP TRUSTEES LIMITED | 00894933 | 01/04/2004 | 31/03/2020 | Not Trading |
| OVE ARUP VENTURES LIMITED | 04212232 | 01/04/2004 | 31/03/2009 | Silver |
| RAILWAY INDUSTRY ASSOCIATION | 10036044 | 01/03/2016 | 24/04/2017 | Bronze |
| SCOTSTOUN PROPERTY LIMITED | 00894934 | 01/04/2004 | 31/03/2009 | Silver |
| THE ARUP PARTNERSHIPS TRUSTEES LIMITED | 01581106 | 01/04/2004 | 31/03/2010 | Bronze |
| TRANSPORT SYSTEMS CATAPULT LIMITED | 08041919 | 25/06/2013 | 01/04/2019 | Dissolved |
| TRANSPORT SYSTEMS CATAPULT SERVICES LIMITED | 08517330 | 01/04/2016 | 01/04/2019 | Dissolved |