| Company | Timeline | Status | |
| Reiclad Ltd Director • Director | 29 Jan 2010←11 Years→22 Jun 2021 | Dissolved | |
| Mettech UK Director • Co.director | 1 Jan 2000←15 Years→11 Dec 2015 | Dissolved | |
| Scottish Group Training Association (Engineering) Director • Company Director | 21 Jan 1992←1 Year 1 Month→28 Feb 1993 | Liquidation | |
| Reid Roof Limited Director • Company Director | 31 Dec 1988←34 Years→4 Oct 2023 | Dissolved | |
| Reid Wire Limited Director • Director | 31 Dec 1988←36 Years→1 Jan 2025 | Active | |
| William Reid & Sons (Wireworkers) Limited Director • Director | 12 Sep 1988←36 Years→1 Jan 2025 | Active | |
