| mott macdonald group limited | £2.4b | £2.8b | Jan 2022 | - | Open | Director |
| mott macdonald limited | £997m | £1.3b | Jan 2022 | - | Open | Director |
| mott macdonald international limited | - | £113.8m | Jan 2022 | - | Open | Director |
| multi design consultants limited | - | £9.8m | Aug 2022 | - | Open | Director |
| osprey pmi limited | - | £4.3m | Aug 2022 | - | Open | Director |
| mott hay & anderson international limited | - | £3.6m | Aug 2022 | - | Open | Director |
| multi design holdings limited | - | £2.5m | Aug 2022 | - | Open | Director |
| ewbank and partners limited | - | £2.4m | Aug 2022 | - | Open | Director |
| teamwork management services limited | - | £2m | Aug 2022 | - | Open | Director |
| needlemans limited | - | £1.8m | Aug 2022 | - | Open | Director |
| hlsp limited | - | £1.4m | Aug 2022 | - | Open | Director |
| courtyard group uk limited | - | £1.3m | Aug 2022 | - | Open | Director |
| sterling management limited | - | £1m | Aug 2022 | - | Open | Director |
| preece cardew & rider limited | - | £925.1k | Aug 2022 | - | Open | Director |
| schema associates limited | - | £652.4k | Aug 2022 | - | Open | Director |
| bentley holdings limited | - | £557.4k | Nov 2024 | - | Open | Director |
| mott macdonald trustees limited | - | £284.4k | Aug 2022 | - | Open | Director |
| project management international limited | - | £147.6k | Aug 2022 | - | Open | Director |
| cambridge education limited | - | £127k | Aug 2022 | - | Open | Director |
| mime learning limited | - | £104.8k | Aug 2022 | - | Open | Director |
| sir m macdonald & partners limited | - | £52.3k | Aug 2022 | - | Open | Director |
| mott macdonald engineering consultants limited | - | £51.9k | Aug 2022 | - | Open | Director |
| franklin & andrews limited | - | £11.1k | Aug 2022 | - | Open | Director |
| cambridge education associates limited | - | £2.7k | Aug 2022 | - | Open | Director |
| mott macdonald holdco limited | - | £116.6 | Aug 2022 | - | Open | Director |
