| Expertise Healthcare and Management Solutions Ltd. | Professional & scientific | 2014 |
| Exploring Flooring Carpets Ltd | Wholesale & retail | 2020 |
| Exploring Flooring Ltd | Construction | 2013 |
| Express Freight Solutions Ltd | Administrative & support | 2012 |
| Express IT Limited | Transport & logistics | 2023 |
| Express Matting Services Ltd | Other services | 2009 |
| Exquista Global Ltd | Wholesale & retail | 2023 |
| Exquzitcleaners Ltd | Administrative & support | 2025 |
| Eyaa Digital Ltd | Wholesale & retail | 2024 |
| EYE Conic Glazing Ltd | Manufacturing | 2026 |
| Eyecare for ALL Ltd | Health & social care | 2023 |
| Eyecare Optical Rochdale Ltd | Health & social care | 2023 |
| Eyeconic Eyewear Ltd | Wholesale & retail | 2015 |
| Eyeconic Spex Limited | Wholesale & retail | 2026 |
| Eyevis UK Ltd | Other services | 2018 |
| F R Complete Roofing Solutions Ltd | Construction | 2020 |
| F V Installations Ltd | Administrative & support | 2020 |
| F W D Freight Services Limited | Transport & logistics | 1986 |
| F&F Properties Lancashire Limited | Real estate | 2024 |
| F.G.H. Pressings Limited | Extraterritorial | 1995 |
| Fabaloushe Ltd | Wholesale & retail | 2019 |
| Fagan & Whalley Holdings Limited | Financial services | 2013 |
| Fair Deal Carpets & Furniture Ltd | Wholesale & retail | 2025 |
| Fairbank Brearley International Limited | Extraterritorial | 2019 |
| Fairecom Traders Ltd | Wholesale & retail | 2023 |
| Fairfield CS 1 Ltd | Real estate | 2025 |
| Fairfield CS 2 Ltd | Real estate | 2025 |
| Fairfield CS 3 Ltd | Real estate | 2025 |
| Fairlessfinds Ltd | Wholesale & retail | 2024 |
| Falcon Double Glazing Ltd | Other services | 2014 |
| Falcon House Capital Limited | Real estate | 2024 |
| Falcon Secure Solutions Ltd | Administrative & support | 2026 |
| Falkland Engineering (Burnley) Limited | Professional & scientific | 1983 |
| Family Law Assistance Limited | Professional & scientific | 2018 |
| Famina Trading Ltd | Wholesale & retail | 2019 |
| FAQ Group Ltd | Wholesale & retail | 2022 |
| FAR Fetched Industries Ltd | Administrative & support | 2019 |
| Fardella & Bell Limited | Real estate | 2020 |
| Fare Air Ltd | Transport & logistics | 2024 |
| Farjis Ltd | Transport & logistics | 2026 |
| Farmhouse Companies Group Ltd | Wholesale & retail | 2024 |
| Farrington Building Investments Ltd | Construction | 2025 |
| Fartrade Impex Limited | Wholesale & retail | 1986 |
| Fashion Home UK Limited | Wholesale & retail | 2013 |
| Fashion Lovers Seller Ltd | Wholesale & retail | 2021 |
| FASHION2HOME Ltd | Wholesale & retail | 2017 |
| Fast Foods Burnley Ltd | Hospitality | 2023 |
| Fast Glass Processing Ltd | Manufacturing | 2013 |
| Fasxtech Limited | Information & communication | 2023 |
| FAT Cat Barbers Limited | Other services | 2014 |
| FAT Cat Freight Ltd | Transport & logistics | 2026 |
| Fatcuckoo Ltd | Manufacturing | 2016 |
| Fatima Zahra Mother & Child Hospital Limited | Health & social care | 2019 |
| Faulkners Nominees Limited | Extraterritorial | 2022 |
| Fauvism Castle Ltd | Construction | 2022 |
| Fazenda Limited | Real estate | 2006 |
| FBB Group Holdings Ltd | Financial services | 2025 |
| FC Team Ltd | Professional & scientific | 2024 |
| FDM Digital Solutions Ltd | Professional & scientific | 2012 |
| Fence Estates and Management Ltd | Real estate | 2023 |
| Fence Gate Limited | Hospitality | 1969 |
| Fence Gate Lodge Limited | Hospitality | 2015 |
| Fenside Outdoors Ltd. | Wholesale & retail | 2010 |
| Fervour International Limited | Wholesale & retail | 2024 |
| Fethr Lounge Ltd | Hospitality | 2023 |
| Fewster Collective Ltd | Wholesale & retail | 2026 |
| Ffeq Ltd | Construction | 2014 |
| Fhmia Ltd | Health & social care | 2026 |
| Fidei LUX Ltd | Wholesale & retail | 2025 |
| Field Top Construction Ltd | Construction | 2013 |
| Fifth Avenue Dermatology Limited | Health & social care | 2011 |
| Fight Flex Ltd | Wholesale & retail | 2025 |
| Filastin Beauty Ltd | Other services | 2024 |
| Filterbagcheck Limited | Wholesale & retail | 2006 |
| FILTH2FINE Ltd | Administrative & support | 2024 |
| Fina Developments Limited | Manufacturing | 2022 |
| Fina Holdings Limited | Manufacturing | 2022 |
| Financial Affairs Limited | Financial services | 1984 |
| Finch Electronics Limited | Manufacturing | 2004 |
| Find UK Property Ltd | Real estate | 2024 |
| Finishing First (UK) Ltd | Construction | 2005 |
| Finlayson Systems Ltd | Information & communication | 2014 |
| Finnigan-Mcneill Properties (Lettings Agency) Ltd | Real estate | 2018 |
| Finnigan-Mcneill Properties (Sourcing) Ltd | Real estate | 2019 |
| Finsley Gate Wharf Ltd | Administrative & support | 2012 |
| Fire & Audio Solutions Limited | Construction | 2014 |
| Fire Safety Solutions Ltd | Professional & scientific | 2001 |
| Firearms Medicals Ltd | Health & social care | 2025 |
| Firmans Direct Limited | Manufacturing | 2006 |
| First Bridge Ltd | Financial services | 2026 |
| First Choice Pets Limited | Wholesale & retail | 2017 |
| First Class Events Limited | Professional & scientific | 2025 |
| First Class Sports Coaching & Training Limited | Arts & recreation | 2017 |
| First Click Solutions Ltd | Information & communication | 2011 |
| First Watch Security Services Ltd | Administrative & support | 2023 |
| Firsteel Limited | Manufacturing | 2019 |
| Firstinfirecompliance Limited | Public administration | 2025 |
| Fiscal First Limited | Professional & scientific | 2026 |
| Fish Friers Ltd | Real estate | 2018 |
| Fish Wholesale Company Ltd | Wholesale & retail | 2015 |