| harbour energy plc | £3b | £14.9b | Apr 2021 | - | Open | Director |
| chrysaor production (u.k.) limited | £338.2m | £2.4b | Oct 2021 | - | Open | Director |
| chrysaor petroleum company u.k. limited | £275.4m | £1.7b | Oct 2021 | - | Open | Director |
| chrysaor (u.k.) sigma limited | £75.8m | £1.4b | Oct 2021 | - | Open | Director |
| chrysaor north sea limited | £30.9m | £226m | Oct 2021 | - | Open | Director |
| harbour energy finance limited | - | £111.1m | Oct 2021 | - | Open | Director |
| harbour energy finance limited | - | £111.1m | Oct 2021 | - | Open | Director |
| harbour energy services limited | £1.6m | £90.3m | Oct 2021 | - | Open | Director |
| harbour energy services limited | £1.6m | £90.3m | Oct 2021 | - | Open | Director |
| chrysaor production holdings limited | - | £73.3m | Oct 2021 | - | Open | Director |
| chrysaor (u.k.) alpha limited | £1.3m | £40.2m | Oct 2021 | - | Open | Director |
| harbour energy marketing limited | £51.7m | £33.3m | Oct 2021 | - | Open | Director |
| harbour energy marketing limited | £51.7m | £33.3m | Oct 2021 | - | Open | Director |
| chrysaor (u.k.) beta limited | - | £4.1m | Oct 2021 | - | Open | Director |
| chrysaor (u.k.) theta limited | £32.7k | £303.2k | Oct 2021 | - | Open | Director |
| chrysaor (u.k.) britannia limited | - | £1.3k | Oct 2021 | - | Open | Director |
| premier oil tuna b.v. | - | - | Feb 2024 | - | Open | Director |
| premier oil natuna sea b.v. | - | - | Feb 2024 | - | Open | Director |
| fp mauritania a b.v. | - | - | Feb 2024 | - | Open | Director |
| viking ccs limited | - | - | Oct 2021 | - | Open | Director |
| ebury gate limited | - | - | Mar 2022 | - | Open | Director |
| fp mauritania b b.v. | - | - | Feb 2024 | - | Open | Director |
| chrysaor developments limited | - | - | Oct 2021 | - | Open | Director |
| premier pension plan trustee limited | - | - | Jul 2021 | - | Open | Director |
| premier oil overseas b.v. | - | - | Feb 2024 | - | Open | Director |
