| Company | Timeline | Status | |
| JCS Enterprises Ltd Director • Architect | 1 Jun 2016←1 Year 7 Months→3 Jan 2018 | Dissolved | |
| 24a St James's Street Management Company Limited Director • Architect | 23 Nov 2011←5 Years→8 May 2017 | Active | |
| JCS Enterprises Ltd Secretary • Unreported | 9 May 2007←10 Years→3 Jan 2018 | Dissolved | |
| Carriage Court (Devizes) Management Company Limited Secretary • Unreported | 26 Sep 2006←1 Year 7 Months→9 May 2008 | Active | |
| Cubitt Homes Developments Ltd Secretary • Unreported | 15 Sep 2005←4 Years→15 Oct 2009 | Active | |
| James Cubitt & Partners Holding Limited Director • Architect | 30 Sep 1991←25 Years→31 Aug 2017 | Active | |
| James Cubitt & Partners Limited Director • Architect | 30 Sep 1991←25 Years→31 Aug 2017 | Active | |
