| kca deutag alpha limited | £1.3b | £1.1b | May 2014 | - | Open | Director |
| kca deutag international 3 limited | - | £1b | Oct 2020 | - | Open | Director |
| kca deutag international 2 limited | - | £1b | Oct 2020 | - | Open | Director |
| abbot group limited | £4.5m | £697.9m | Jan 2013 | - | Open | Director |
| abbot holdings limited | - | £622m | Jan 2013 | - | Open | Director |
| kca deutag drilling limited | £114.1m | £495.5m | Jan 2013 | - | Open | Director |
| kca deutag drilling group limited | - | £299.4m | Jan 2013 | - | Open | Director |
| kca european holdings limited | - | £250.6m | Jan 2013 | - | Open | Director |
| kca deutag (land rig) limited | £4.4m | £82.8m | Jan 2013 | - | Open | Director |
| kca deutag rig co. limited | - | £74.8m | Dec 2015 | - | Open | Director |
| kca deutag uk finance plc | - | £62.4m | Apr 2014 | - | Open | Director |
| kca deutag rig design services limited | £322k | £2.8m | Jan 2013 | - | Open | Director |
| rds energy solutions limited | - | £2m | Jan 2022 | - | Open | Director |
| kenera energy solutions limited | £820.6k | £1.5m | Jun 2021 | - | 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 | - | £311.5k | Jan 2022 | - | Open | Director |
| kca deutag international limited | - | - | Mar 2021 | - | Open | Director |
| kca deutag limited | £2.6m | - | Jan 2013 | - | Open | Director |
| set drilling company limited | - | - | Jan 2022 | - | Open | Director |
| kca deutag technical support limited | £51.2m | - | Jan 2013 | - | Open | Director |
| kca deutag enterprises limited | £95.1k | - | Jan 2022 | - | Open | Director |
| abbot investments (north africa) limited | - | - | Jan 2013 | - | Open | Director |
| prorig limited | - | - | Nov 2013 | - | Open | Director |
