| Falcon Cross Limited | Professional & scientific | 2023 |
| Falcon Express Ltd | Transport & logistics | 2024 |
| Falcon Falls Limited | Households | 1999 |
| Falcon Heights Estates (Poole) Limited | Households | 2009 |
| Falconstar Limited | Professional & scientific | 2011 |
| Falkeøje Events Limited | Arts & recreation | 2025 |
| Falla Homes Limited | Construction | 2025 |
| Fallow Group Ltd | Other services | 2025 |
| Falmer House Management Limited | Households | 2010 |
| Faltec Ltd | Manufacturing | 2018 |
| Famhill Ltd | Extraterritorial | 2022 |
| Familia Unida Limited | Wholesale & retail | 2025 |
| FAN Decor Limited | Wholesale & retail | 2025 |
| Fancy Funland Limited | Wholesale & retail | 2014 |
| Fantabbydozey Ltd | Real estate | 2025 |
| Fantastic Weekends Limited | Administrative & support | 2012 |
| Fantasy Management Limited | Hospitality | 2025 |
| Fara Living LLP | | 2023 |
| Farah Sameer Limited | Information & communication | 2021 |
| Farcroft Construction Limited | Construction | 2018 |
| Farcroft Homes Ltd | Construction | 2017 |
| Farcroft Property Lettings Ltd | Real estate | 2019 |
| Fares Barbers Limited | Other services | 2018 |
| Fares Trading Services Ltd | Wholesale & retail | 2013 |
| Faris Clark Partnership LLP | | 2020 |
| Farkas and SON Ltd | Health & social care | 2023 |
| Farken Builders Limited | Construction | 2025 |
| Farley & Thompson (Private) Limited | Professional & scientific | 2014 |
| Farley & Thompson LLP | | 2006 |
| Farm Finance Limited | Financial services | 2021 |
| Farm Wild CIC | Agriculture & fishing | 2021 |
| Farmer Castle Properties Limited | Real estate | 2018 |
| Farmhouse Floristry Limited | Wholesale & retail | 2026 |
| Farmhouse Huts Limited | Manufacturing | 2024 |
| Farnham Chiropractic and Therapy Clinic Ltd | Health & social care | 2022 |
| Farooq ALI Asad Ltd | Wholesale & retail | 2025 |
| Farrer Estate Management Limited | Households | 2020 |
| Farrington Freehold Limited | Households | 1997 |
| Farward Sports Ltd | Wholesale & retail | 2025 |
| Fast Class Cleaning Ltd | Administrative & support | 2012 |
| Fast Diesel Beast Ltd | Transport & logistics | 2024 |
| Fast Safe Supply Ltd | Wholesale & retail | 2025 |
| Fast Track Home Loans Ltd | Financial services | 2026 |
| Fast Track Promotions Limited | Administrative & support | 2013 |
| Faster Automotive Ltd | Wholesale & retail | 2024 |
| Fastlabs Limited | Information & communication | 2025 |
| Fathom Communications Limited | Professional & scientific | 2006 |
| Fatstick Limited | Wholesale & retail | 2016 |
| Faversham(Bournemouth)Management Co.Limited | Households | 1971 |
| Favour Aigbe Ltd | Health & social care | 2024 |
| Favoured Trustees Limited | Professional & scientific | 2025 |
| Fayer Ltd | Construction | 2018 |
| FB Electrical Ltd | Construction | 2025 |
| FB Trading & Consulting Ltd | Wholesale & retail | 2023 |
| FBI Pro Ltd | Construction | 2022 |
| FC Detailing Limited | Other services | 2018 |
| Fcea Limited | Professional & scientific | 2008 |
| Fcls RM 112 Limited | Other services | 2025 |
| FCR Fire Prevention Limited | Construction | 2025 |
| FD for YOU Ltd | Professional & scientific | 2013 |
| FDA Business Ltd | Administrative & support | 2013 |
| FDL Enfield Road Management Company Limited | Households | 2011 |
| FDL Salterns Limited | Construction | 2016 |
| Fea-Solutions (UK) Limited | Professional & scientific | 2003 |
| Feastino Ltd | Hospitality | 2025 |
| Feather Care Ltd | Health & social care | 2025 |
| Featherbed Care Ltd | Health & social care | 2016 |
| Featherbed Homecare Limited | Administrative & support | 2001 |
| Featherstream Ltd | Real estate | 2008 |
| Federation of Chemical Associations | Extraterritorial | 2001 |
| Fedor Property Ltd | Professional & scientific | 2015 |
| FEE Consulting Ltd. | Professional & scientific | 2018 |
| Feeko Fitness Ltd | Public administration | 2019 |
| Feelgoode Ltd | Wholesale & retail | 2019 |
| Feels Just Like Home Ltd | Real estate | 2021 |
| Fehi Limited | Real estate | 2018 |
| Felton Court (Parkstone) Management Company Limited | Households | 1981 |
| Femz Cleaning Ltd | Administrative & support | 2025 |
| Feng Shui Property Management Ltd | Extraterritorial | 2017 |
| Fernbond Limited | Households | 1976 |
| Ferndown (Maintenance) Co. Limited | Real estate | 1974 |
| Ferndown Developments Limited | Construction | 1995 |
| Ferndown Investments Limited | Real estate | 1956 |
| Fernhils Limited | Real estate | 2025 |
| Fernmount Management Company Limited | Households | 1988 |
| Ferné Furniture Ltd | Manufacturing | 2026 |
| Ferraz Solutions Ltd | Other services | 2025 |
| Fervent Limited | Administrative & support | 2016 |
| Festival Surveys and Valuations Ltd | Professional & scientific | 2013 |
| Fetch the Drinks Limited | Wholesale & retail | 2019 |
| FEZ Property Solutions Holdings Ltd | Construction | 2024 |
| FF Consulting Limited | Administrative & support | 2012 |
| FFA Dragoev Limited | Transport & logistics | 2023 |
| FFF Alex Mellor Limited | Arts & recreation | 2026 |
| FFF Coaching Ltd | Arts & recreation | 2025 |
| FFF69 Limited | Households | 2016 |
| FG Events Ltd | Hospitality | 2025 |
| FG Languages Ltd | Education | 2021 |
| FGV Capital Ltd | Professional & scientific | 2026 |
| Fiander Tovell (CDG) Limited | Financial services | 2023 |