| Etax Hub Limited | Professional & scientific | 2020 |
| Ethos Jiujitsu Barnet Ltd | Arts & recreation | 2025 |
| Euro Georgian Properties Ltd | Extraterritorial | 2008 |
| Eurotransav Ltd | Transport & logistics | 2020 |
| Evan Louis Car Ltd | Health & social care | 2010 |
| Evangelou Group Ltd | Real estate | 2024 |
| Evarr Ltd | Hospitality | 2021 |
| Evelyn Services Ltd | Administrative & support | 2022 |
| Event Hackrz Ltd | Professional & scientific | 2019 |
| Evephil Homes Ltd | Real estate | 2025 |
| Evercare Bathrooms Ltd | Construction | 2025 |
| Evering Estates Limited | Real estate | 2006 |
| Everleaf Herbal Ltd | Wholesale & retail | 2023 |
| Everleaf Ltd | Manufacturing | 2005 |
| Everpay App Ltd | Information & communication | 2026 |
| Everything and More Limited | Professional & scientific | 2019 |
| Everything Waste Ltd | Water & waste | 2023 |
| Evie Automotive Limited | Manufacturing | 2025 |
| Evolute Agency Ltd | Professional & scientific | 2019 |
| Evolution (Watford) Management Company Limited | Households | 2007 |
| Evolution Eyes Ltd | Wholesale & retail | 2024 |
| Evolve Coaching & Fitness Limited | Arts & recreation | 2016 |
| Excellent Care and Cleaning Services Limited | Administrative & support | 2016 |
| Exen Real Estate Investment Ltd. | Wholesale & retail | 2021 |
| Exito Ventures Ltd | Administrative & support | 2024 |
| Exning Properties Limited | Real estate | 2020 |
| Expert Auto Care Ltd | Wholesale & retail | 2025 |
| Expert Puffin Ltd | Information & communication | 2026 |
| Expert Solutions Consultants Ltd | Professional & scientific | 2023 |
| Exploded View Ltd | Administrative & support | 2016 |
| Explorifygo Ltd | Information & communication | 2026 |
| Express TIX Ltd | Wholesale & retail | 2023 |
| Extreme Needle Studios (Covent Garden) Ltd | Other services | 2013 |
| EY Accountancy Ltd | Administrative & support | 2015 |
| EYE Wear Boutique Ltd | Wholesale & retail | 2018 |
| Eylin's Property Limited | Real estate | 2025 |
| EZ Tuition Limited | Education | 2025 |
| F & T Ltd | Real estate | 2018 |
| F&Ed Group Limited | Professional & scientific | 2025 |
| Faaass Limited | Real estate | 2022 |
| FAB Construction Ltd | Construction | 2026 |
| Faber Hammersmith Limited | Hospitality | 2023 |
| Faber Restaurants Limited | Administrative & support | 2023 |
| Fabriclean Ltd | Administrative & support | 2002 |
| Fabrics and Curtains Ltd | Wholesale & retail | 2023 |
| Faccuri Ltd | Manufacturing | 2024 |
| Factory Cabins Ltd | Construction | 2020 |
| Fahad (UK) Ltd | Administrative & support | 2013 |
| Fairbrook Investments Limited | Real estate | 2003 |
| Fairbrook Projects Limited | Construction | 1999 |
| Fairdeal Housewares Limited | Wholesale & retail | 2013 |
| Fairway Road Ltd | Real estate | 2022 |
| Faith Above Fear Limited | Wholesale & retail | 2026 |
| Faith Yayira Limited | Health & social care | 2022 |
| Faithon Enterprises Ltd | Construction | 2014 |
| Fakulte London Limited | Hospitality | 2023 |
| Falcon 1 Consultancy Ltd | Professional & scientific | 2025 |
| Falcon 1 Group Ltd | Financial services | 2025 |
| Falcon 1 Investment Ltd | Real estate | 2021 |
| Falcon Service Accommodation Limited | Real estate | 2024 |
| Famosolutions Limited | Information & communication | 2015 |
| Fantasy Island Toys and Gifts Limited | Wholesale & retail | 2018 |
| Fapi Textile Ltd | Manufacturing | 2020 |
| Faraday Engineering Limited | Construction | 2008 |
| Faraz Records Limited | Information & communication | 2023 |
| Farmhouse Pizza Cheshunt Limited | Hospitality | 2022 |
| Fast Fit Tyre & Exhaust Systems Limited | Wholesale & retail | 1994 |
| Fastfix London Ltd | Construction | 2024 |
| Fasul Ltd | Administrative & support | 2022 |
| Fausto's Garage Ltd | Wholesale & retail | 2023 |
| FB Painting Ltd | Construction | 2024 |
| Febripa Holdings Limited | Financial services | 2021 |
| Feedback BG Limited | Other services | 2016 |
| Felix, Omar & Sana LLP | | 2023 |
| Feltham Gunes Limited | Hospitality | 2025 |
| Feltham Turkuaz Limited | Real estate | 2024 |
| Feminise Ltd | Wholesale & retail | 2026 |
| FEN Projects Limited | Professional & scientific | 2024 |
| Festival FST Ltd | Construction | 2024 |
| Festoon Studios Ltd | Arts & recreation | 2016 |
| Fetchwashfold Ltd | Administrative & support | 2025 |
| FG Property Investments Limited | Real estate | 2022 |
| FGN Construction Limited | Construction | 2018 |
| Fibre Clear Consulting Ltd | Construction | 2003 |
| Fida Foods Ltd | Other services | 2024 |
| Fieldings Investment Limited | Financial services | 2025 |
| Fifty Colebrooke ROW Limited | Households | 1972 |
| Filipts Ltd. | Transport & logistics | 2016 |
| Find Your Magic Ltd | Arts & recreation | 2011 |
| Finding My Way CIC | Professional & scientific | 2022 |
| Finebrick Limited | Real estate | 2010 |
| Finsbury Park One Ltd | Real estate | 2024 |
| Finsbury Park Two Ltd | Real estate | 2024 |
| Fiorelynn Ltd | Health & social care | 2023 |
| Fire UK Limited | Information & communication | 2002 |
| Firmhome Ltd | Construction | 2018 |
| Firsas (Retail) Limited | Wholesale & retail | 2021 |
| First Choice Medical Solutions Ltd | Health & social care | 2017 |
| First IT Consultants Ltd | Information & communication | 2017 |
| First Star Agency Limited | Administrative & support | 2019 |