| Company | Timeline | Status | |
| Granite Holdings Global Limited Director • Director | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| Howden Turbo UK Limited Director • Unreported | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| Howden Holdings Unlimited Director • Director | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| Compressor Products International Limited Director • Unreported | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| Howden Compressors Limited Director • Director | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| Howden Group Limited Director • Unreported | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| James Howden & Company Limited Director • Director | 1 Feb 2024←1 Year 9 Months→Current | Active | |
| CHML Limited Director • Unreported | 28 Nov 2023←1 Year 11 Months→Current | Active | |
| Howden Finance Limited Director • Unreported | 26 Mar 2019←6 Years→Current | Active | |
