| Conrad (Bootle) Holdco II Limited | Professional & scientific | 2007 |
| Conrad (Bootle) Holdco Limited | Energy | 2013 |
| Conrad (Bootle) Limited | Energy | 2007 |
| Conrad (Bridgwater) Limited | Energy | 2021 |
| Conrad (Caernarfon) Limited | Energy | 2017 |
| Conrad (Calne) Limited | Energy | 2017 |
| Conrad (Castle Bromwich) Limited | Energy | 2020 |
| Conrad (Chatterley) Limited | Energy | 2016 |
| Conrad (Cherwell) Limited | Financial services | 2019 |
| Conrad (Cleveleys) Limited | Energy | 2017 |
| Conrad (Crewkerne) Limited | Energy | 2021 |
| Conrad (CV1) Limited | Energy | 2025 |
| Conrad (Dowlais) Limited | Energy | 2020 |
| Conrad (Down Barn Farm) Limited | Energy | 2020 |
| Conrad (Drove) Limited | Energy | 2020 |
| Conrad (Dunkeswell) Limited | Energy | 2017 |
| Conrad (Emerald) Limited | Energy | 2020 |
| Conrad (EYE) Limited | Energy | 2022 |
| Conrad (Felixstowe) Limited | Energy | 2017 |
| Conrad (Fleetwood) Limited | Energy | 2015 |
| Conrad (Flint) Limited | Energy | 2017 |
| Conrad (Flitwick) Limited | Energy | 2020 |
| Conrad (Gloucester) Limited | Energy | 2022 |
| Conrad (Glyme) Holdco Limited | Energy | 2022 |
| Conrad (Glyme) Limited | Energy | 2022 |
| Conrad (Goose House Lane) Limited | Energy | 2020 |
| Conrad (Grain) Limited | Energy | 2020 |
| Conrad (Halesworth) Limited | Energy | 2021 |
| Conrad (Hawarden) Limited | Energy | 2017 |
| Conrad (Heybridge) Limited | Energy | 2016 |
| Conrad (Langage) Limited | Energy | 2017 |
| Conrad (Langstone) Limited | Energy | 2020 |
| Conrad (Larport) Holdco Limited | Financial services | 2023 |
| Conrad (Larport) Limited | Energy | 2016 |
| Conrad (Lawford) Limited | Energy | 2020 |
| Conrad (Lester Way) Limited | Energy | 2020 |
| Conrad (Letchworth) Limited | Energy | 2020 |
| Conrad (Lower Dunton) Limited | Energy | 2020 |
| Conrad (Lowestoft) Limited | Energy | 2020 |
| Conrad (Lytham) Limited | Professional & scientific | 2017 |
| Conrad (Malmesbury) Limited | Energy | 2021 |
| Conrad (Matching) Limited | Energy | 2017 |
| Conrad (Melksham) Limited | Energy | 2017 |
| Conrad (Middleton Junction) Limited | Energy | 2017 |
| Conrad (Middlewich) Limited | Energy | 2018 |
| Conrad (Midsomer) Limited | Energy | 2020 |
| Conrad (Minehead) Limited | Energy | 2020 |
| Conrad (Moorfield) Limited | Energy | 2020 |
| Conrad (Neston) Limited | Energy | 2021 |
| Conrad (Newark) Limited | Energy | 2020 |
| Conrad (Oldbury) Limited | Energy | 2020 |
| Conrad (Plutus) Holdco Limited | Financial services | 2023 |
| Conrad (Plutus) Limited | Financial services | 2023 |
| Conrad (Plymouth Rock) Limited | Energy | 2020 |
| Conrad (Plymouth) Limited | Energy | 2017 |
| Conrad (Purfleet) Limited | Energy | 2016 |
| Conrad (Putnoe) Limited | Energy | 2015 |
| Conrad (Rake Lane) Limited | Energy | 2020 |
| Conrad (Redbourn) Limited | Energy | 2015 |
| Conrad (Redfield) Limited | Energy | 2020 |
| Conrad (Redscar) Limited | Energy | 2018 |
| Conrad (Riversmeet) Limited | Energy | 2025 |
| Conrad (Rochester) Limited | Other services | 2017 |
| Conrad (Runcorn) Limited | Energy | 2017 |
| Conrad (Sandon) Limited | Energy | 2023 |
| Conrad (Sandycroft) Limited | Energy | 2017 |
| Conrad (Shepperton) Limited | Energy | 2022 |
| Conrad (Sittingbourne) Limited | Energy | 2016 |
| Conrad (ST Philips) Limited | Energy | 2021 |
| Conrad (Stability Services) Limited | Energy | 2025 |
| Conrad (Stevenage a) Limited | Energy | 2015 |
| Conrad (Stevenage B) Limited | Energy | 2015 |
| Conrad (Sudmeadow) Limited | Energy | 2020 |
| Conrad (Sundon) Limited | Energy | 2020 |
| Conrad (Swindon) Limited | Energy | 2017 |
| Conrad (Thames) Holdco Limited | Financial services | 2021 |
| Conrad (Thames) Limited | Energy | 2021 |
| Conrad (Torquay) Limited | Energy | 2021 |
| Conrad (Trafalgar Park) Limited | Energy | 2020 |
| Conrad (Walpole) Limited | Energy | 2022 |
| Conrad (Watchet) Limited | Energy | 2023 |
| Conrad (Water Lane) Limited | Energy | 2020 |
| Conrad (Whittlesey) Limited | Construction | 2017 |
| Conrad (Winchester) Limited | Energy | 2017 |
| Conrad (Windrush) II Holdco Limited | Energy | 2022 |
| Conrad (Windrush) II Limited | Energy | 2022 |
| Conrad (Windrush) Limited | Financial services | 2020 |
| Conrad (Witham) Limited | Energy | 2020 |
| Conrad (Wootton) Limited | Energy | 2020 |
| Conrad (Wrexham) Limited | Energy | 2017 |
| Conrad (Wroughton) Limited | Energy | 2017 |
| Conrad (Yaxley) Limited | Energy | 2020 |
| Conrad (Yeovil) Limited | Energy | 2017 |
| Conrad Cleveleys (Holdings) Limited | Energy | 2015 |
| Conrad Energy (CHP) Limited | Energy | 2022 |
| Conrad Energy (Developments) II Limited | Construction | 2020 |
| Conrad Energy (Developments) Limited | Construction | 2017 |
| Conrad Energy (Finance) Limited | Financial services | 2017 |
| Conrad Energy (Holdings) II Limited | Financial services | 2020 |
| Conrad Energy (Holdings) Limited | Financial services | 2017 |