| Every Path IS a Catwalk Limited | Wholesale & retail | 2025 |
| Everything Taxi (UK) Ltd | Manufacturing | 2017 |
| Evidentiamed Ltd | Professional & scientific | 2026 |
| Evie Bleu Boutique Ltd | Wholesale & retail | 2024 |
| Evoo Engineering Limited | Agriculture & fishing | 2017 |
| EWA Care Ltd | Wholesale & retail | 2022 |
| Ewas Group Company Ltd | Wholesale & retail | 2024 |
| EWM Drinks Limited | Hospitality | 2023 |
| EWM Enterprise Ltd | Other services | 2008 |
| Ex-Beams Limited | Professional & scientific | 2006 |
| Excalibur Screwbolts Ltd | Manufacturing | 1986 |
| Excelair Ltd | Manufacturing | 2023 |
| Exile T & B Limited | Other services | 2015 |
| Exodus GK Limited | Construction | 2016 |
| Express Body Shop Ltd | Other services | 2022 |
| Express Furniture Repairs Limited | Other services | 2007 |
| Express Print Shop Limited | Manufacturing | 2024 |
| Express Property Holdings Limited | Real estate | 2026 |
| Eyes Forward Productions Ltd | Information & communication | 2017 |
| EZ Holdings Ltd | Real estate | 2024 |
| EZY 2 Buy Ltd | Wholesale & retail | 2024 |
| Ezza Reign Limited | Wholesale & retail | 2025 |
| F & M Electrical Systems Limited | Construction | 2016 |
| F&M Consultancy Group Limited | Professional & scientific | 2022 |
| F-Roofing Limited | Construction | 2026 |
| F.A. Horizons Ltd | Administrative & support | 2025 |
| F.A. Jones & Sons (Southend) Limited | Other services | 2002 |
| F1 Accounting Limited | Professional & scientific | 2009 |
| FAB Cars Ltd | Wholesale & retail | 2019 |
| Fabfabrics Limited | Professional & scientific | 2018 |
| Fables Auctions Limited | Wholesale & retail | 2014 |
| Facade Survey Solutions Limited | Professional & scientific | 2026 |
| Facilities Resourcing Limited | Professional & scientific | 2017 |
| Fadas Digitais Consulting Ltd | Other services | 2025 |
| FAE Corp Limited | Wholesale & retail | 2020 |
| FAH Thai Limited | Hospitality | 2024 |
| Fair Trade Spirit LLP | | 2019 |
| Fairbridge Park Ltd | Information & communication | 2021 |
| Fairfield Aviation Limited | Transport & logistics | 2009 |
| Fairtree Residentials Ltd | Health & social care | 2023 |
| Fairview Lodge Limited | Households | 2025 |
| Fairycroft Residents Association Limited | Households | 1998 |
| Faith and Labour Ltd | Administrative & support | 2016 |
| Faith Hill Ltd. | Hospitality | 2023 |
| Faithfood TV Ltd | Information & communication | 2025 |
| Faithfull Limited | Construction | 2014 |
| Faithworks Services Ltd | Information & communication | 2024 |
| Faith’S Holistic Therapies Ltd | Other services | 2019 |
| Falconbridge Healthcare Ltd | Administrative & support | 2021 |
| Falcondale Court Residents' Management Company Limited | Households | 2014 |
| Falconrise Estates Ltd | Real estate | 2026 |
| Falfield Grange (Falfield) Management Company Limited | Households | 2020 |
| Fame LUX Nails and Beauty 10 Ltd | Other services | 2023 |
| Family of Five Ltd | Wholesale & retail | 2026 |
| Fannin Contracts Ltd | Construction | 2012 |
| Fans and Ventilation Limited | Construction | 2007 |
| Fanshub Ltd | Professional & scientific | 2023 |
| Fantasia Toys & Games Limited | Arts & recreation | 2019 |
| Farah Mitha Ltd | Health & social care | 2020 |
| Fareeha Janaan Limited | Health & social care | 2014 |
| Farm Box HA Ltd | Wholesale & retail | 2026 |
| Farm Street Nominees Limited | Extraterritorial | 2004 |
| Farmdeal Estates (Livestock and Services) Limited | Wholesale & retail | 1965 |
| Farriers Wood Residents Management Company Limited | Households | 2019 |
| Farrington Financial Ltd | Financial services | 2012 |
| Farry H Limited | Professional & scientific | 2022 |
| Fast Food Southend Ltd | Hospitality | 2022 |
| Fastlay Services Limited | Construction | 2015 |
| Fastrack Fitness Limited | Arts & recreation | 2011 |
| Fastwire Group Ltd | Information & communication | 2020 |
| Faversham Lodge (Thorpe Bay) Management Company Limited | Administrative & support | 1977 |
| Favorite Chicken & Ribs 4U Ltd | Hospitality | 2019 |
| FBM Building and Maintenance Services Limited | Construction | 2019 |
| FCP Training Limited | Administrative & support | 2017 |
| FD Fitters Ltd | Construction | 2026 |
| FDS London Limited | Public administration | 2013 |
| Feature Stairs Ltd | Manufacturing | 2018 |
| Feature Windows UK Limited | Construction | 2004 |
| Fenchurch Maintains Limited | Construction | 2018 |
| Fensome Electrical Services Limited | Construction | 2017 |
| FEO Browne Limited | Manufacturing | 2025 |
| Ferguson Construction Limited | Construction | 2001 |
| Fern Growth Limited | Financial services | 2023 |
| Fern Housing 1 Limited | Real estate | 2026 |
| Fern Housing 2 Limited | Real estate | 2026 |
| Fern Housing Limited | Real estate | 2026 |
| Fernandes Digital Ltd | Information & communication | 2025 |
| Fernandez Properties Ltd | Real estate | 2019 |
| Fernbrook Care Homes Limited | Health & social care | 2008 |
| Ferndale Baptist Church Ltd | Other services | 2014 |
| FEV Investments Ltd | Real estate | 2024 |
| FFO Ltd | Financial services | 2018 |
| FG Mortgages Limited | Financial services | 2020 |
| FG Professional Services Limited | Real estate | 2017 |
| FG Property & Management Services Limited | Real estate | 2026 |
| FGH Ironmongery Ltd | Wholesale & retail | 2013 |
| Fgre Asset Management Limited | Real estate | 2018 |
| Fiat to Ferrari Ltd | Wholesale & retail | 2021 |
| Fibresports Limited | Manufacturing | 2010 |
| FID Itegbe Ltd | Health & social care | 2018 |