| Company | Timeline | Status | |
| Sheffield Bolt & Nut Co. Limited Director • Director | 25 Aug 2016←9 Years→Current | Active | |
| Tyne Tees Bolt & Nut Company Limited Director • Director | 25 Aug 2016←9 Years→Current | Active | |
| London Bolt & Nut Company Limited Director • Director | 25 Aug 2016←9 Years→Current | Active | |
| Manchester Bolt & Nut Company Limited Director • Director | 25 Aug 2016←9 Years→Current | Active | |
| John Sylvester (Fasteners & Plastics) Limited Director • Director | 25 Aug 2016←9 Years→Current | Active | |
| John Sylvester Engineering Company Limited Director • Managing Director | 25 Aug 2016←9 Years→Current | Active | |
| Birmingham Bolt & Nut Company Limited Director • Director | 7 Aug 2016←9 Years→Current | Active | |
