| kca deutag international 2 limited | - | £1.2b | Oct 2020 | - | Open | Director |
| kca deutag international 3 limited | - | £1.2b | Oct 2020 | - | Open | Director |
| kca deutag alpha limited | £1.3b | £1.1b | May 2014 | - | Open | Director |
| kca deutag drilling limited | £93.2m | £689.6m | Jan 2013 | - | Open | Director |
| abbot holdings limited | - | £663.3m | Jan 2013 | - | Open | Director |
| abbot group limited | £8.9m | £507.1m | Jan 2013 | - | Open | Director |
| kca deutag drilling group limited | - | £359.2m | Jan 2013 | - | Open | Director |
| kca european holdings limited | - | £267.3m | Jan 2013 | - | Open | Director |
| kca deutag (land rig) limited | £8m | £256.7m | Jan 2013 | - | Open | Director |
| kca deutag rig co. limited | - | £74.8m | Dec 2015 | - | Open | Director |
| kca deutag technical support limited | £55.3m | £70.2m | Jan 2013 | - | Open | Director |
| kca deutag uk finance plc | - | £62.4m | Apr 2014 | - | Open | Director |
| kca deutag rig design services limited | £1.6m | £4.3m | Jan 2013 | - | Open | Director |
| rds energy solutions limited | - | £2m | Jan 2022 | - | Open | Director |
| kca deutag caspian limited | - | £1.4m | Jan 2013 | - | Open | Director |
| kca deutag pikco plc | - | £1.1m | Sep 2022 | - | Open | Director |
| kca deutag drilling services (uk) limited | - | £359.1k | Jan 2022 | - | Open | Director |
| rig design services holdings limited | - | £332.1k | Jan 2022 | - | Open | Director |
| prorig limited | - | - | Nov 2013 | - | Open | Director |
| kca deutag international limited | - | - | Mar 2021 | - | Open | Director |
| set drilling company limited | - | - | Jan 2022 | - | Open | Director |
| kenera energy solutions limited | - | - | Jun 2021 | - | Open | Director |
| kca deutag limited | £927.5k | - | Jan 2013 | - | Open | Director |
| kca deutag enterprises limited | £210.1k | - | Jan 2022 | - | Open | Director |
| abbot investments (north africa) limited | - | - | Jan 2013 | - | Open | Director |
