| Fame Fashions Ltd | Wholesale & retail | 2013 |
| Fame Investments Ltd | Real estate | 2015 |
| Fame Ltd | Hospitality | 2026 |
| Fame Properties Limited | Construction | 2011 |
| Fame Studio Limited | Wholesale & retail | 2021 |
| Fameshadow Ltd | Real estate | 2017 |
| Famfit Limited | Other services | 2015 |
| Families Kinnected Ltd | Information & communication | 2019 |
| Family & Community Hub CIC | Education | 2026 |
| Family Care Advice Ltd | Health & social care | 2021 |
| Family Food Centre Ltd | Wholesale & retail | 2026 |
| Family Law Mediation Limited | Information & communication | 2020 |
| Family Law Solicitors Limited | Professional & scientific | 2009 |
| Family Money Savers Limited | Administrative & support | 2012 |
| Famolyn Ltd | Real estate | 2017 |
| Famos Support & Services Limited | Education | 2011 |
| Famosh Holdings Limited | Financial services | 2014 |
| Famous Beer Company Limited | Wholesale & retail | 2025 |
| Famsalvage Ltd | Water & waste | 2021 |
| Famson Investments Ltd | Real estate | 2024 |
| Famson Partnership LLP | | 2022 |
| Famukson Limited | Transport & logistics | 2018 |
| Fan-Sea Ltd | Extraterritorial | 2023 |
| Fanatics Supplies Limited | Wholesale & retail | 2012 |
| Fancy Barber 1 Ltd | Other services | 2026 |
| Fancy ME Ltd | Other services | 2025 |
| Fandomace Limited | Transport & logistics | 2011 |
| Fanology Canopy Ltd | Administrative & support | 2021 |
| Fanso Ltd | Wholesale & retail | 2026 |
| Fantasy Cars Ltd | Wholesale & retail | 2022 |
| Fanter Ltd | Wholesale & retail | 2026 |
| Faozo Fashion Ltd | Wholesale & retail | 2015 |
| FAR Accountancy Limited | Professional & scientific | 2012 |
| FAR Contracts Ltd | Construction | 2018 |
| FAR East International Limited | Wholesale & retail | 2024 |
| FAR East Weavers Ltd | Wholesale & retail | 2020 |
| FAR One Ltd | Wholesale & retail | 2021 |
| FAR SAI Thai Therapy Ltd | Health & social care | 2024 |
| FAR365 Services Ltd | Administrative & support | 2016 |
| Fara Pictures Ltd | Information & communication | 2025 |
| Fara Trading Limited | Wholesale & retail | 2021 |
| Farag & Saeed for Trade and Supplies Ltd | Wholesale & retail | 2025 |
| Farah Clothing Ltd | Manufacturing | 2019 |
| Farah Holdings Limited | Real estate | 2018 |
| Farah&Co Limited | Professional & scientific | 2023 |
| Farahkiyani Ltd | Manufacturing | 2026 |
| Farberry Estates Limited | Real estate | 2017 |
| Farciarz Ltd | Wholesale & retail | 2024 |
| Farda Accountants Limited | Professional & scientific | 2015 |
| Faredo Ltd | Wholesale & retail | 2025 |
| Farge Lift Consultants Limited | Administrative & support | 2016 |
| Farha Piranie Ltd | Professional & scientific | 2020 |
| Farida Abdul Satar Ossman EST (Faso) Limited | Administrative & support | 2013 |
| Farida Kapasi Limited | Health & social care | 2005 |
| Faris Legal Limited | Extraterritorial | 2022 |
| Farize Global Enterprise Limited | Wholesale & retail | 2020 |
| Farkas Builder Limited | Construction | 2025 |
| Farkas Cleaning Service Ltd | Administrative & support | 2019 |
| Farlah Trading Limited | Wholesale & retail | 2022 |
| Farley & Jones Recruitment Ltd | Other services | 2018 |
| Farley & Jones Staffing Solutions Ltd | Administrative & support | 2018 |
| Farlow Group Ltd | Professional & scientific | 2018 |
| Farmgate Dairy Products Limited | | 1984 |
| Farmhouse Holdings Ltd | Real estate | 2016 |
| Farmilo Limited | Wholesale & retail | 2016 |
| Farmtiq Agritech Ltd | Information & communication | 2025 |
| Farnley & Timberwood Holdings Ltd | Real estate | 2021 |
| Faro Technologies UK Limited | Wholesale & retail | 2009 |
| Farooq Financial Services Limited | Professional & scientific | 2018 |
| Farriers Automotive Ltd | Wholesale & retail | 2016 |
| Farrimelia LLP | | 2022 |
| Farrington Developments Limited | Real estate | 2019 |
| Farrington Properties Ltd | Real estate | 2015 |
| Farrow Walsh Ltd | Construction | 2019 |
| Farrukh Taxis Limited | Transport & logistics | 2022 |
| Farsan Express Limited | Manufacturing | 2014 |
| Farshan & Co Ltd | Professional & scientific | 2014 |
| Farsight Retail Ltd | Construction | 2023 |
| Farson Investment Limited | Real estate | 2020 |
| Farson Limited | Real estate | 2003 |
| Farthings Plumbing & Heating Limited | Construction | 2006 |
| Farum Group Ltd | Administrative & support | 2020 |
| Farv Services Ltd | Information & communication | 2020 |
| Farzak Limited | Hospitality | 2021 |
| Farzana Enterprises Limited | Hospitality | 2020 |
| Fashion & Fizz Limited | Administrative & support | 2016 |
| Fashion 8 (Leic) Ltd | Manufacturing | 2015 |
| Fashion Alive Ltd | Manufacturing | 2019 |
| Fashion Art Design Studio CIC | Professional & scientific | 2024 |
| Fashion Couture Limited | Wholesale & retail | 2015 |
| Fashion District Limited | Other services | 2022 |
| Fashion Express Limited | Manufacturing | 2019 |
| Fashion Fabric Transprinters Limited | Manufacturing | 1975 |
| Fashion First Ltd | Manufacturing | 2019 |
| Fashion Fury Leicester Ltd | Manufacturing | 2019 |
| Fashion Fussion Limited | Wholesale & retail | 2024 |
| Fashion Glamour Limited | Wholesale & retail | 2023 |
| Fashion Lane Ltd | Manufacturing | 2022 |
| Fashion Line Ltd | Manufacturing | 2026 |
| Fashion of the Day Ltd | Manufacturing | 2017 |