| Company | Timeline | Status | |
| R W Armstrong Group Limited Director • Director | 5 Mar 2019←6 Years→Current | Active | |
| Saint John Architectural Interiors Limited Director • Director | 24 Oct 2018←7 Years→Current | Active | |
| Armstrong Construction Group Limited Director • Director | 28 Sep 2016←8 Years→21 Jan 2025 | Dissolved | |
| Daedalus Conservation Limited Director • Director | 27 Oct 2011←14 Years→Current | Active | |
| E.A.Chiverton Limited Director • Director | 8 May 2009←16 Years→16 Sep 2025 | Dissolved | |
| R W Armstrong Holdings Limited Director • Director | 10 Dec 2003←21 Years→Current | Active | |
| R W Armstrong Holdings Limited Secretary • Unreported | 10 Dec 2003←18 Years→21 Oct 2022 | Active | |
| R W Armstrong & Sons Limited Director • Director | 10 Dec 1990←34 Years→Current | Active | |
