| EDU Cate D Limited | Professional & scientific | 2015 |
| Efloral Ltd | Wholesale & retail | 2018 |
| EH Pharma Limited | Health & social care | 2020 |
| Ekomi Property Ltd | Real estate | 2022 |
| EL Toro Flame Ltd | Hospitality | 2026 |
| Elena-Adina Health & Beauty Limited | Health & social care | 2018 |
| Eliot Rosewater Limited | Information & communication | 2009 |
| Elite Catering West London Limited | Hospitality | 2013 |
| Emerald City Developments Ltd | Construction | 2022 |
| Emergence Brotherhood Ltd | Other services | 2025 |
| Emerz Limited | Professional & scientific | 2013 |
| Emilia Buiac Holdings Limited | Financial services | 2021 |
| Empathy Tech Ltd | Information & communication | 2019 |
| Enders Group Limited | Wholesale & retail | 2018 |
| Equiex Ltd | Wholesale & retail | 2019 |
| Eritel Limited | Real estate | 2022 |
| Ervez Ltd | Extraterritorial | 2024 |
| Essntl Ltd | Wholesale & retail | 2015 |
| Eton Shirts Limited | Wholesale & retail | 1993 |
| Euro Ingenieurs Ukeig | Manufacturing | 1992 |
| Evolution Webs Ltd | Information & communication | 2019 |
| Excelsiorfm Ltd | Administrative & support | 2025 |
| Exec Holdings Ltd | Administrative & support | 2019 |
| Expamet Contracts Limited | | 1956 |
| Fabulous Sailing Cruises Ltd | Administrative & support | 2024 |
| Facet Therapy Ltd | Other services | 2014 |
| Fadl Limited | Health & social care | 2015 |
| Fancove Limited | Households | 1986 |
| FAY Beauty Limited | Other services | 2010 |
| Field Network Limited | Professional & scientific | 2016 |
| Finance Marketing Services Limited | Financial services | 2015 |
| Fine Nature Ltd | Professional & scientific | 2011 |
| Finnigy Limited | Financial services | 2022 |
| First Class Property Services Limited | Construction | 2014 |
| First Purchase Research Ltd | Professional & scientific | 2017 |
| Fism Property Management LLP | | 2020 |
| Fitzrovia Legal Consultancy Limited | Professional & scientific | 2018 |
| Flat Four Lettings Ltd | Real estate | 2021 |
| Focalsun Ltd | Professional & scientific | 2018 |
| Four Richmond Road Freehold Company Limited | Households | 2005 |
| Fragile Films Limited | Information & communication | 1996 |
| Fral Consulting Ltd | Professional & scientific | 2020 |
| Frangipani Beauty Limited | Other services | 2011 |
| Full House Media Ltd | Information & communication | 2024 |
| Furrsay Ltd | Information & communication | 2020 |
| G Gough Ltd | Education | 2026 |
| Garner Development Investments Ltd | Construction | 2015 |
| Gateway Devices Ltd | Health & social care | 2016 |
| Gateway Locums Ltd | Health & social care | 2015 |
| Generations Properties Limited | Real estate | 2025 |
| GG-355-767 Limited | Real estate | 2022 |
| GG-373-252 Limited | Real estate | 2022 |
| GG-589-873 Limited | Real estate | 2022 |
| GG-HOLDCO-073-165 Limited | Real estate | 2022 |
| Giligili Ltd | Real estate | 2024 |
| GJS Consulting Limited | Professional & scientific | 2008 |
| GLA Management Ltd | Professional & scientific | 2023 |
| Glengate Construction Ltd | Construction | 2024 |
| Gluboil Marine Ltd | Other services | 2017 |
| Golden Manor Healthcare (Ealing) Limited | Health & social care | 2006 |
| Goldmine Global Ltd | Professional & scientific | 2012 |
| Goodwill London Limited | Wholesale & retail | 2014 |
| Graffins Services Limited | Administrative & support | 2016 |
| Greenfield Hair and Beauty Ltd | Other services | 2020 |
| Greenplan Consulting Limited | Professional & scientific | 2005 |
| Greystoke Gardens Management Company Limited | Households | 1957 |
| Griffin Design London Ltd | Administrative & support | 2016 |
| Grill & FRY Delights Ltd | Hospitality | 2024 |
| GRK Developments Ltd | Financial services | 2020 |
| GS Developments Ltd | Real estate | 2023 |
| Gumleigh Road Properties Ltd | Real estate | 2014 |
| H B C Innovation Consultants Ltd | Professional & scientific | 2022 |
| Hardleads Limited | Wholesale & retail | 2021 |
| Hardware Trade Technology Limited | Information & communication | 1985 |
| Harridge Business Travel Limited | Administrative & support | 2013 |
| Harridge Events Limited | Administrative & support | 2013 |
| Harridge Luxury Limited | Administrative & support | 2013 |
| Harridge Travel Group Limited | Administrative & support | 2013 |
| HAS W5 Ltd | Hospitality | 2019 |
| Haven Green Court Limited | Households | 1996 |
| Hawkshead Industries Ltd | Information & communication | 2026 |
| Healy Designs Limited | Professional & scientific | 2025 |
| Helen Fleming Ltd | Information & communication | 2023 |
| Henry & Henry LLP | | 2023 |
| Hepius Ltd | Wholesale & retail | 2020 |
| Hidden Badger Limited | Professional & scientific | 2024 |
| Highland Club Cottages Limited | Real estate | 2022 |
| Hila Cars Hire Limited | Manufacturing | 2018 |
| Holograph Pictures International Limited | Information & communication | 2016 |
| Home Conscious Limited | Construction | 2011 |
| Howlyg Investments Limited | Real estate | 1979 |
| Hundredfold Consulting Limited | Information & communication | 2015 |
| Hydrogen Waves Ltd | Professional & scientific | 2022 |
| ID Kids Talent Limited | Arts & recreation | 2015 |
| Illuminate Media Ltd | Information & communication | 2025 |
| Impeller Group Ltd | Administrative & support | 2020 |
| Ineek Ltd | Information & communication | 2003 |
| Information Research Limited | Professional & scientific | 1996 |
| Inglis Road Management Ltd | Real estate | 2014 |
| Innovation Dance Limited | Wholesale & retail | 2009 |