| FOR Better Future Ltd | Professional & scientific | 2020 |
| FOR Creative Studios Ltd | Professional & scientific | 2025 |
| FOR Goodness Sake Consulting Ltd | Professional & scientific | 2023 |
| FOR Kams Ltd | Real estate | 2025 |
| FOR the Needy Group Ltd | Other services | 2020 |
| FOR US and by US C.I.C. | Education | 2023 |
| Forader (UK) Enterprises Limited | Real estate | 2022 |
| Forager Bees Ltd | Agriculture & fishing | 2023 |
| Foray Clothing Limited | Wholesale & retail | 2014 |
| Forbes Merchant Ltd | Construction | 2026 |
| Forbidden Festival Europe Master Ltd | Hospitality | 2025 |
| Forbidden Festival Ltd | Arts & recreation | 2021 |
| Forbidden Forest Festival Ltd | Arts & recreation | 2026 |
| Forbidden Forest Master Ltd | Arts & recreation | 2021 |
| Forbury V1 Limited | Real estate | 2024 |
| Forcapital Limited | Real estate | 2017 |
| Force Projects Group Limited | Construction | 2024 |
| Force Track Ltd | Arts & recreation | 2019 |
| Forcerigid Limited | | 1987 |
| Ford and Meade Electrical Limited | Construction | 2010 |
| Ford Brennan Limited | Information & communication | 2021 |
| Ford Energy Ltd. | Energy | 2012 |
| Fordax Executive Business School Ltd | Education | 2025 |
| Fordbeck Properties Ltd | Real estate | 1998 |
| Fordgate Exceliondev LP | | 2016 |
| Fordham Financial Planning Ltd | Financial services | 2022 |
| Fordharp Limited | Professional & scientific | 2002 |
| Fordinvest Liverpool Limited | Real estate | 2019 |
| Fords Group Ltd | Administrative & support | 2024 |
| Fordsnap Properties Ltd | Real estate | 2005 |
| Fordwater Properties Limited | Real estate | 1996 |
| Fore Stun Ltd | Information & communication | 2023 |
| Fore-Word Press Limited | Manufacturing | 2004 |
| Foreagles Ltd | Wholesale & retail | 2018 |
| Forecast Events Ltd | Professional & scientific | 2016 |
| Forefront Construction Limited | Construction | 2019 |
| Foregate Investments Limited | Real estate | 2003 |
| Foreign FX Ltd | Financial services | 2020 |
| Foreign Republic Limited | Wholesale & retail | 2024 |
| Foreigner Nominee Limited | Financial services | 2021 |
| Foreigner UK Bidco Limited | Financial services | 2021 |
| Foreigner UK Holdco Limited | Financial services | 2021 |
| Foreigner UK Midco Limited | Financial services | 2021 |
| Foreman Technologies Ltd | Information & communication | 2025 |
| Foremost Courier Ltd | Transport & logistics | 2024 |
| Foremost Properties Ltd | Real estate | 2025 |
| Forenax Technologies Ltd | Information & communication | 2024 |
| Forensic Credit Limited | Administrative & support | 2026 |
| Forensica Ltd. | Professional & scientific | 2015 |
| Foreps Limited | Health & social care | 2020 |
| Forerunner Group Limited | Professional & scientific | 2019 |
| Foresight AI Limited | Professional & scientific | 2025 |
| Forest (North West) Ltd | Construction | 2018 |
| Forest 3D Ltd | Professional & scientific | 2023 |
| Forest Accountants Ltd | Professional & scientific | 2009 |
| Forest Findings Ltd | Manufacturing | 2018 |
| Forest Glen Capital Holdings Ltd | Extraterritorial | 2026 |
| Forest House Investments Limited | Real estate | 2023 |
| Forest House Nurseries Limited | Education | 2015 |
| Forest Nominees Ltd | Extraterritorial | 2004 |
| Forest Orange Ltd | Real estate | 2016 |
| Forest Properties LLP | | 2011 |
| Forest Road Brewing Co Ltd | Wholesale & retail | 2014 |
| Forest Road London Ltd | Real estate | 2016 |
| Forest Road Quiet Night Inn Ltd | Hospitality | 2022 |
| Forest Sofa (FSH CAP) Limited | Financial services | 2024 |
| Forest Sunset Limited | Wholesale & retail | 2023 |
| Forest View Holiday Park Limited | Hospitality | 2021 |
| Forestbrick Estates Ltd | Real estate | 2023 |
| Forestschoolthyme Ltd | Health & social care | 2021 |
| Foretek Ltd | Financial services | 2022 |
| Forever Agency Ltd | Professional & scientific | 2018 |
| Forever Bloom Limited | Wholesale & retail | 2026 |
| Forever by Shana Ltd | Wholesale & retail | 2020 |
| Forever Casa Ltd | Hospitality | 2026 |
| Forever Cheer Limited | Real estate | 2015 |
| Forever Consulting (MCR) Limited | Professional & scientific | 2022 |
| Forever French Limited | Wholesale & retail | 2025 |
| Forever Look Ltd | Wholesale & retail | 2025 |
| Forever Mademoiselle Limited | Wholesale & retail | 2016 |
| Forever Manchester | Health & social care | 1993 |
| Forever Manchester Trading Limited | Administrative & support | 2009 |
| Forever Medical Ltd | Health & social care | 2026 |
| Forever Prime Limited | Wholesale & retail | 2021 |
| Forever Stamps Ltd | Wholesale & retail | 2025 |
| Forever Teaching Ltd | Administrative & support | 2024 |
| Forever Twenty Nine Ltd | Professional & scientific | 2024 |
| Forever Unique Lifestyle Ltd | Professional & scientific | 2016 |
| Forex Ltd | Wholesale & retail | 2026 |
| Forex Millionaires Club Limited | Hospitality | 2017 |
| Forexdepo Ltd | Wholesale & retail | 2025 |
| Forexone (UK) Ltd | Professional & scientific | 2013 |
| Forge and Fuel Marketing Ltd | Professional & scientific | 2026 |
| Forge Core Soft Limited | Information & communication | 2025 |
| Forge Healthcare Ltd | Health & social care | 2023 |
| Forge Recruitment Group Ltd | Administrative & support | 2023 |
| Forge Talent Limited | Administrative & support | 2023 |
| Forgefield Technologies Ltd | Extraterritorial | 2025 |
| Forgemind Ltd | Information & communication | 2025 |
| Forget ME NOT (Irlam) Limited | Wholesale & retail | 2002 |