| Company | Timeline | Status | |
| Holborn Shared Ventures Limited Director • Unreported | 18 Jun 2025←6 Months→31 Dec 2025 | Active | |
| Artelia Capital Limited Director • Unreported | 1 Aug 2024←1 Year 5 Months→31 Dec 2025 | Active | |
| Artelia Ventures Limited Director • Unreported | 1 Aug 2024←1 Year 5 Months→31 Dec 2025 | Active | |
| Castons Consulting Limited Director • Unreported | 21 Mar 2024←1 Year 9 Months→31 Dec 2025 | Active | |
| Ccas Limited Director • Unreported | 21 Mar 2024←1 Year 9 Months→31 Dec 2025 | Active | |
| Austin Newport Group Limited Director • Unreported | 10 Mar 2020←5 Years→31 Dec 2025 | Active | |
| Artelia Projects UK Limited Director • Unreported | 6 Mar 2012←13 Years→31 Dec 2025 | Active | |
