| Company | Timeline | Status | |
| Bath Road Limited Director • Unreported | 9 Feb 2016←9 Years→Current | Active | |
| The Orchard (South Marston) Management Limited Director • Unreported | 11 Dec 2015←9 Years→Current | Active | |
| Newport Street Limited Director • Architect | 3 Aug 2015←6 Years→14 Mar 2022 | Dissolved | |
| Priory Mews (Christchurch) Management Company Limited Director • Architect | 25 Mar 2011←4 Years→20 Apr 2015 | Active | |
| Ian Sullivan Architecture Ltd Director • Unreported | 31 Jan 2011←14 Years→Current | Active | |
Ian Sullivan Architectural Design Limited Director • Director | 18 Nov 2004←11 Years→2 Feb 2016 | Dissolved | |
Ian Sullivan Architectural Design Limited Secretary • Unreported | 18 Nov 2004←11 Years→2 Feb 2016 | Dissolved | |
