| dalkia group limited | £607.2m | £340.4m | Mar 2025 | - | Open | Director |
| dalkia facilities limited | £126.4m | £148.4m | Mar 2025 | - | Open | Director |
| cheshire cavity storage 1 limited | - | £129.8m | Feb 2018 | - | Open | Director |
| dalkia operations limited | £146m | £123.2m | Mar 2025 | - | Open | Director |
| dalkia operations holding limited | - | £114.3m | Mar 2025 | - | Open | Director |
| dalkia engineering limited | £175.5m | £74.4m | Mar 2025 | - | Open | Director |
| capula limited | £40.8m | £72.4m | Mar 2025 | - | Open | Director |
| capula group limited | - | £31.3m | Mar 2025 | - | Open | Director |
| dalkia energy services limited | £41.7m | £26.5m | Mar 2025 | - | Open | Director |
| dalkia facilities northern uk limited | £39.2m | £25.5m | Mar 2025 | - | Open | Director |
| environmental engineering (uk) limited | £108k | £15.3m | Mar 2025 | - | Open | Director |
| essci ireland limited | - | £12.1m | Mar 2025 | - | Open | Director |
| the barkantine heat and power company limited | £4.3m | £7.6m | Mar 2025 | - | Open | Director |
| dalkia scotshield limited | £15.1m | £6.8m | Mar 2025 | - | Open | Director |
| dk whs limited | - | £3.4m | Mar 2025 | - | Open | Director |
| imtech engineering services london and south ltd | £-882k | £2.1m | Mar 2025 | - | Open | Director |
| mss clean technology limited | £122k | £1.4m | Mar 2025 | - | Open | Director |
| dalkia facilities holdings limited | - | £876.9k | Mar 2025 | - | Open | Director |
| inviron property limited | - | £659.9k | Mar 2025 | - | Open | Director |
| imtech aqua ltd | - | £255.7k | Mar 2025 | - | Open | Director |
| imtech aqua building services ltd | - | £38.9k | Mar 2025 | - | Open | Director |
| imtech engineering services north ltd | - | £3.2k | Mar 2025 | - | Open | Director |
| imtech aqua maintenance ltd | - | £606 | Mar 2025 | - | Open | Director |
| arabelle solutions uk limited | - | £258.3 | Nov 2023 | - | Open | Director |
| breathe asset management services limited | - | £4.7 | Mar 2025 | - | Open | Director |
