| Experience Asia Ltd | Arts & recreation | 2025 |
| Express Builders Limited | Construction | 2023 |
| Express Direct Drinks UK Limited | Wholesale & retail | 2025 |
| Exus Global UK Ltd | Education | 2025 |
| Eyesha.Optical Ltd | Professional & scientific | 2017 |
| EZ Stay Properties Ltd | Real estate | 2025 |
| F a Beds Limited | Manufacturing | 2025 |
| F&A Furnishings Ltd | Manufacturing | 2025 |
| F&A Manufacturing Ltd | Manufacturing | 2021 |
| F&S Designs Ltd | Wholesale & retail | 2020 |
| F.R. Group Holdings Ltd | Health & social care | 2023 |
| Faab Dental Ltd | Health & social care | 2017 |
| Faab Ventures Ltd | Real estate | 2025 |
| Fabicon Ltd | Construction | 2014 |
| Fabicon Properties Ltd | Real estate | 2016 |
| Fabrics of London Limited | Manufacturing | 2025 |
| Fabrixa Ltd | Wholesale & retail | 2025 |
| Fahad Catering Equipments Ltd | Other services | 2021 |
| Fahar Limited | Professional & scientific | 2021 |
| Faisal Naseem Limited | Health & social care | 2003 |
| Faisal Sheikh Ltd | Health & social care | 2022 |
| Faith Stones Ltd | Other services | 2014 |
| Falcon Transport FTS Ltd | Transport & logistics | 2025 |
| Family Choice Beds Ltd | Wholesale & retail | 2023 |
| Fancy Furnitures Limited | Wholesale & retail | 2022 |
| Faraday Group Limited | Administrative & support | 2020 |
| Farhaan Akhtar Delivery Ltd | Transport & logistics | 2026 |
| Fashion Loves Comedy CIC | Education | 2024 |
| Fasst Track Services Ltd | Manufacturing | 2026 |
| Fast Fiery Heating Limited | Other services | 2026 |
| Fast FIX Autocentre Ltd | Wholesale & retail | 2014 |
| Fatima QA Solution Ltd | Administrative & support | 2015 |
| Faya Holding Ltd | Financial services | 2026 |
| Fayrouz Ltd | Manufacturing | 2023 |
| FDL Bespoke UK Ltd | Wholesale & retail | 2023 |
| Feather Clinic Ltd | Other services | 2021 |
| Felt TEC Beds Ltd | Transport & logistics | 2024 |
| Felt TEC Ltd | Manufacturing | 2006 |
| Fern Holdings Limited | Health & social care | 1983 |
| Fernbrook Associates Ltd | Construction | 2015 |
| FFD Ltd | Wholesale & retail | 2023 |
| Fh&Sa Limited | Wholesale & retail | 2023 |
| Fi's Optical Ltd | Professional & scientific | 2026 |
| Fidaport Properties Ltd | Real estate | 2011 |
| Field Signs Limited | Professional & scientific | 2024 |
| FIL Consulting Ltd | Professional & scientific | 2019 |
| Fine Pine Ltd | Manufacturing | 2015 |
| Finesse Clinical Ltd | Other services | 2023 |
| Finesse Dance Academy Ltd | Other services | 2021 |
| Firesec Services Ltd | Administrative & support | 2025 |
| First Legal Solutions Ltd | Professional & scientific | 2022 |
| Fitzpatrick Exports UK Limited | Wholesale & retail | 2003 |
| Flair FM Ltd | Other services | 2019 |
| Flair Handling Systems Limited | Manufacturing | 2000 |
| Flamefend Ltd | Professional & scientific | 2026 |
| Flash Security Solutions Ltd | Financial services | 2025 |
| FLO Properties Limited | Real estate | 2012 |
| Florrylogistico Ltd | Extraterritorial | 2019 |
| Flourish Nutrition Ltd | Health & social care | 2020 |
| Fluffy Traders Ltd | Wholesale & retail | 2023 |
| Fluidair International.Com Limited | Professional & scientific | 2001 |
| Flux Apps Limited | Professional & scientific | 2024 |
| FLY Transfer Ltd | Transport & logistics | 2025 |
| Flynn Direct Ltd | Wholesale & retail | 2024 |
| Follow My Limited | Other services | 2021 |
| Forge&Flame Ltd | Wholesale & retail | 2025 |
| Forsal Tech Ltd | Wholesale & retail | 2024 |
| Fotex Group (GB) Limited | Wholesale & retail | 2021 |
| Fotex Limited | Manufacturing | 2019 |
| Foundations Nursery Limited | Education | 2017 |
| Four Star Tailors Ltd | Manufacturing | 2023 |
| Fourfold Properties Limited | Professional & scientific | 2003 |
| FP Foods (Batley) Ltd | Hospitality | 2023 |
| FP Locums Limited | Health & social care | 2023 |
| FP Optical Ltd | Health & social care | 2021 |
| FR Health Limited | Health & social care | 2014 |
| Frame IT (Yorkshire) Ltd | Wholesale & retail | 2026 |
| Franka & Michalski Ltd | Real estate | 2019 |
| Franka & Partners Properties Limited | Real estate | 2022 |
| Franka Investments Ltd | Real estate | 2025 |
| Frankster's Batley Limited | Hospitality | 2015 |
| Frankster's Ltd | Hospitality | 2019 |
| FS Tutoring Ltd | Education | 2025 |
| FSK Healthcare Ltd | Health & social care | 2022 |
| Full Heouse Ltd | Manufacturing | 2026 |
| Furniture Living Ltd | Wholesale & retail | 2025 |
| Furniture Store Online Limited | Wholesale & retail | 2026 |
| Fusion Street Food Ltd | Hospitality | 2025 |
| G Broadhead (Accountants) Ltd | Professional & scientific | 2014 |
| G Broadhead Ltd | Professional & scientific | 2010 |
| G C R Investments Limited | Hospitality | 2024 |
| G T Autocraft Limited | Wholesale & retail | 2010 |
| G1 Autocustoms Ltd | Wholesale & retail | 2024 |
| Gagg Properties Ltd | Real estate | 2026 |
| Gagg Transport Ltd | Transport & logistics | 2015 |
| Gallop Sleep Limited | Wholesale & retail | 2019 |
| Gannon Building Services Limited | Construction | 2020 |
| Garry Jackson Limited | Construction | 2014 |
| GAS Engineerz Limited | Construction | 2019 |
| Gaslines Plumbing and Heating Limited | Construction | 2013 |