| Farhan Ahmed Limited | Administrative & support | 2018 |
| Farhang Catering Ltd | Hospitality | 2024 |
| Faris Property Holdings Limited | Real estate | 2020 |
| Farlai Limited | Professional & scientific | 2014 |
| Farley ENG Ltd | Construction | 2019 |
| Farm Microgreens UK Limited | Education | 2021 |
| Farmacia Therapeutics Limited | Professional & scientific | 2024 |
| Farmall Yorkshire Limited | Wholesale & retail | 2026 |
| Farmer Gracy Limited | Administrative & support | 2018 |
| Farmers Kitchen Limited | Wholesale & retail | 2022 |
| Farmhouse Concepts Ltd | Hospitality | 2018 |
| Farmhouse Fare Limited | Manufacturing | 2001 |
| Farndales Limited | Hospitality | 2003 |
| Farndown Limited | Real estate | 2001 |
| Farnell Finance Limited | Professional & scientific | 1995 |
| Farnell Holding Limited | Professional & scientific | 1969 |
| Farnell Overseas | Professional & scientific | 1983 |
| Farnlea Estates Limited | Real estate | 2012 |
| Farnley Auto's Ltd | Wholesale & retail | 2023 |
| Farnley Court Limited | Real estate | 1991 |
| Farnley Park View Management Company Limited | Households | 2018 |
| Farnley Retail Ltd | Wholesale & retail | 2024 |
| Farooqi Investments Ltd | Real estate | 2022 |
| Farooqui Associates Ltd | Professional & scientific | 2015 |
| Farooqui Financials Ltd | Professional & scientific | 2025 |
| Farooqui's Investments Ltd | Real estate | 2023 |
| Farosvin Limited | Health & social care | 2021 |
| Farr Associates Recruitment Ltd | Administrative & support | 2021 |
| Farrands Limited | Hospitality | 2016 |
| Farrar Fire and Security Ltd | Administrative & support | 2026 |
| Farrar Smith Limited | Professional & scientific | 2003 |
| Farrell & Clark LLP | | 2005 |
| Farrelly Ltd | Construction | 2017 |
| Farringdon Computers Limited | | 1984 |
| Farrington Electrical Limited | Construction | 2020 |
| Farrow Electrical Ltd | Construction | 2025 |
| Farshi Shalwar Limited | Other services | 2025 |
| Farsley Beck Mews Management Limited | Households | 2008 |
| Farsley Crofts Ltd | Households | 2022 |
| Farsley Scaffolding Limited | Construction | 2013 |
| Farsley Transport Limited | Transport & logistics | 1996 |
| Farwest Contracting Limited | Professional & scientific | 2025 |
| Farzah Ltd | Wholesale & retail | 2026 |
| Farzar Ltd | Health & social care | 2024 |
| Fashion 24/7 Ltd | Wholesale & retail | 2015 |
| Fashion Alliance North CIC | Education | 2024 |
| Fashion Business Limited | Administrative & support | 2017 |
| Fashion Cutzz Limited | Wholesale & retail | 2024 |
| Fashion Fit Check Ltd | Wholesale & retail | 2025 |
| Fashion Formula Limited | Professional & scientific | 2015 |
| Fashion Futures Collective CIC | Education | 2026 |
| Fashion Hubb Limited | Wholesale & retail | 2017 |
| Fashion Week Yorkshire Ltd | Administrative & support | 2025 |
| Fashionbeautyme Ltd | Construction | 2017 |
| Fashnista Gold & Glam Ltd | Other services | 2025 |
| Fast Cleaning and Other Services Limited | Administrative & support | 2024 |
| Fast Close Consulting Limited | Information & communication | 2003 |
| Fast Delivery F.A Limited | Construction | 2025 |
| Fast Food L R Ltd | Hospitality | 2025 |
| Fast Food Mojo Ltd | Hospitality | 2023 |
| Fast Food Posters Limited | Hospitality | 2017 |
| Fast Fried Chicken Limited | Hospitality | 2026 |
| Fast Hand Car Wash & Valeting Ltd | Other services | 2022 |
| Fast Help CIC | Health & social care | 2025 |
| Fast Hire Recruitment Ltd | Transport & logistics | 2025 |
| Fast Home Buyers (Leeds) Limited | Real estate | 2009 |
| Fast Lane Driving Ltd | Education | 2022 |
| Fast Lane Tyres Ltd | Wholesale & retail | 2026 |
| Fast Line Safe Movers Couriers UK Ltd | Transport & logistics | 2025 |
| Fast LOO Limited | Administrative & support | 2020 |
| Fast Man&Van Ltd | Transport & logistics | 2024 |
| Fast Move Chiriac Limited | Transport & logistics | 2025 |
| Fast Pack Distribution Ltd | Wholesale & retail | 2025 |
| Fast Parts Tredegar Limited | Wholesale & retail | 2014 |
| Fast Payroll UK Limited | Professional & scientific | 2015 |
| Fast PC & Mobile Tech Ltd | Wholesale & retail | 2020 |
| Fast Plumb & Heating Ltd | Construction | 2026 |
| Fast Rads Limited | Wholesale & retail | 2014 |
| Fast Service MCR Ltd | Professional & scientific | 2025 |
| Fast Style Limited | Construction | 2020 |
| Fast Track Architects Limited | Professional & scientific | 2020 |
| Fast Track Deals Ltd | Wholesale & retail | 2025 |
| Fast Track Personnel Ltd | Transport & logistics | 2021 |
| Fast Track Removals Ltd | Transport & logistics | 2020 |
| Fast Track Sameday Ltd | Transport & logistics | 2026 |
| Fast Track Shipping Ltd | Transport & logistics | 2024 |
| Fast UK Visa Limited | Administrative & support | 2016 |
| Fast-Proton Ltd | Transport & logistics | 2019 |
| Fastalloys Limited | Transport & logistics | 1989 |
| Fastbox Limited | Manufacturing | 2004 |
| Fastdel Group Limited | Administrative & support | 2023 |
| Fastdel Ventures Ltd | Professional & scientific | 2020 |
| Fastest Hosting Group Limited | Information & communication | 2018 |
| FASTFOODLS2 Limited | Hospitality | 2025 |
| FASTFOODLS4 Limited | Hospitality | 2024 |
| Fastlane Displays Limited | Professional & scientific | 1997 |
| Fastlane Transport Solutions Ltd | Administrative & support | 2023 |
| Fastparts Cwmbran Ltd | Other services | 2009 |
| Fastparts Wales Limited | Wholesale & retail | 2005 |
| Fastpath Software Ltd | Information & communication | 2021 |