| Equitix MA EPS GP Spring Limited | Professional & scientific | 2020 |
| Equitix MA EPS GP Thor Limited | Professional & scientific | 2022 |
| Equitix MA EPS North LP | | 2019 |
| Equitix MA EPS Spring LP | | 2020 |
| Equitix MA EPS Thor LP | | 2022 |
| Equitix Next Generation EPS GP Limited | Professional & scientific | 2023 |
| Equitix Next Generation EPS LP | | 2023 |
| Equitix Nexus GP Ltd | Financial services | 2021 |
| Equitix Nexus Investor 2 LP | | 2021 |
| Equitix Nexus LP | | 2021 |
| Equitix RF EPS GP Limited | Professional & scientific | 2019 |
| Equitix RF EPS LP | | 2019 |
| Equitix Rosebery GP Ltd | Financial services | 2022 |
| Equitix Rosebery Investor 2 LP | | 2022 |
| Equitix Rosebery LP | | 2022 |
| Equitix Solar Projects 3 (S) IV GP Limited | Real estate | 2017 |
| Equitix Solar Projects 3 (S) IV LP | | 2017 |
| Equitix Sustainable Greenfield EPS GP Limited | Professional & scientific | 2023 |
| Equitix Sustainable Greenfield EPS LP | | 2023 |
| Equitix UK Electricity Storage EPS GP Limited | Professional & scientific | 2023 |
| Equitix UK Electricity Storage EPS LP | | 2023 |
| Equitix UK Electricity Storage Fund LP | | 2023 |
| Equitix UK Electricity Storage GP Limited | Professional & scientific | 2023 |
| Equitix V Primary Infrastructure (Clinitek Holdings) LP | | 2019 |
| Equitix V Primary Infrastructure (Clinitek Prop) LP | | 2019 |
| Equitix V Primary Infrastructure (Clinitek) LP | | 2019 |
| Equitix V Primary Infrastructure (Durham) LP | | 2018 |
| Equitix V Primary Infrastructure (Essex) LP | | 2020 |
| Equitix V Primary Infrastructure (Kingston) LP | | 2019 |
| Equitix V Primary Infrastructure (Leicester) LP | | 2018 |
| Equitix V Primary Infrastructure (York) Investor 2 LP | | 2019 |
| Equitix V Primary Infrastructure (York) LP | | 2018 |
| Equitix V Primary Infrastructure Holdings LP | | 2018 |
| Equitix V Primary Infrastructure LP | | 2018 |
| Equitix V Primary Infrastructure MID Holding LP | | 2018 |
| Equitix V Primary Infrastructure Top Holding LP | | 2018 |
| Equitix V W&B Cambrian 1 Holdings LP | | 2018 |
| Equitix V W&B Cambrian 2 Holdings LP | | 2018 |
| Equitix V W&B MID Holdings LP | | 2018 |
| Equitix V W&B Top Holdings LP | | 2018 |
| Equitix V W&B Valley 1 Holdings LP | | 2018 |
| Equitix V W&B Valley 2 Holdings LP | | 2018 |
| Equitix VI Primary Infrastructure (Birmingham) LP | | 2021 |
| Equitix VI Primary Infrastructure (Bristol) LP | | 2020 |
| Equitix VI Primary Infrastructure (Clinitek Holdings) LP | | 2020 |
| Equitix VI Primary Infrastructure (Clinitek) LP | | 2020 |
| Equitix VI Primary Infrastructure (London) LP | | 2022 |
| Equitix VI Primary Infrastructure Holdings LP | | 2019 |
| Equitix VI Primary Infrastructure LP | | 2019 |
| Equitix VI Primary Infrastructure MID Holding LP | | 2019 |
| Equitix VI Primary Infrastructure Top Holding LP | | 2019 |
| Equitrade LP | | 2015 |
| Equity Coach Ltd | Education | 2023 |
| Equity GAP Limited | Other services | 2010 |
| Equity Punch Limited | Real estate | 2020 |
| Equity Release Scotland Limited | Extraterritorial | 2017 |
| Equivoip Limited | Information & communication | 2013 |
| Equus Capital Partners | | 2002 |
| ER Barber Limited | Other services | 2026 |
| ERA Group LP | | 2017 |
| ERA Holding LP | | 2015 |
| Eraba Limited | Manufacturing | 1981 |
| Erabond Worldwide LP | | 2014 |
| Erbalunga LP | | 2016 |
| Erbil Cars Ltd | Transport & logistics | 2023 |
| Erbil Edinburgh Limited | Hospitality | 2025 |
| ERC Hallmark Ltd | Construction | 2020 |
| ERC Roofing Ltd | Construction | 2025 |
| Ercheless Investment Trading (Scotland) Partnership SP | | 2022 |
| Erco Enterprise LP | | 2017 |
| Ercs Legal Ltd | Professional & scientific | 2025 |
| Erdal Architects Limited | Professional & scientific | 2021 |
| Erden Edinburgh Limited | Hospitality | 2020 |
| Erdeven Group LP | | 2016 |
| Erdol Hospitality Limited | Hospitality | 2016 |
| Erebus Innovations Ltd | Professional & scientific | 2023 |
| Ered III Carry GP LLP | | 2024 |
| Ered III Carry LP | | 2024 |
| Eredine Capital Ltd | Manufacturing | 2025 |
| Eredor Ltd | Real estate | 2019 |
| Eremovals Ltd | Water & waste | 2024 |
| Eresto LP | | 2015 |
| ERG UK Holding Ltd | Financial services | 2018 |
| Ergear Technologies Limited | Wholesale & retail | 2022 |
| Ergia L.P. | | 2013 |
| Ergo Law Limited | Professional & scientific | 2015 |
| Ergo Polar SLP GP LLP | | 2018 |
| Ergo Polar SLP LP | | 2018 |
| Ergo Power LP | | 2015 |
| Ergo Proxy Limited | Professional & scientific | 2025 |
| Ergocube L.P. | | 2013 |
| Ergofront Sales L.P. | | 2011 |
| Ergonova Ltd | Construction | 2025 |
| Ergotransit Global LP | | 2016 |
| Ergowest Technology L.P. | | 2016 |
| ERH Properties Ltd | Real estate | 2017 |
| ERI Corporation LP | | 2017 |
| Eric Fernandez-Baca Ltd | Hospitality | 2023 |
| Eric Piers LP | | 2014 |
| Eric's Security Limited | Administrative & support | 2025 |