| Company | Timeline | Status | |
| McNair Property Limited Director • Director | 15 Oct 2024←1 Year 2 Months→Current | Active | |
| McNair Engineering Group Limited Director • Engineer | 1 Mar 2000←25 Years→Current | Active | |
| McNair Engineering (UK) Limited Director • Engineer | 7 Sep 1998←27 Years→Current | Active | |
| McNair Engineering Limited Director • Engineer | 21 Jul 1989←36 Years→Current | Active | |
