| Facadesbuild Limited | Construction | 2024 |
| Face & Form Ltd | Health & social care | 2026 |
| Face to Face Aesthetics Ltd | Other services | 2022 |
| FACE2FACE Parkinson's C.I.C. | Health & social care | 2020 |
| Facefilms Limited | Information & communication | 2007 |
| Facesbybex Limited | Other services | 2025 |
| Facetime Limited | Information & communication | 2003 |
| Facilitate Europe Ltd | Construction | 2018 |
| Facilities Management Solutions Limited | Real estate | 2000 |
| Facility and Utilities Maintanance Experts (UK) Ltd | Manufacturing | 2018 |
| Facility Complete Services Ltd | Administrative & support | 2026 |
| Fact and Story Ltd | Information & communication | 2013 |
| Faction Events Ltd | Arts & recreation | 2025 |
| Factorspread Limited | Information & communication | 1986 |
| Factory Computing Limited | Information & communication | 1995 |
| Factory Sounds Ltd | Administrative & support | 2007 |
| Factvault Media Ltd | Arts & recreation | 2024 |
| Faculty Architecture Studio Limited | Professional & scientific | 2022 |
| Fade Post Production Ltd | Information & communication | 2020 |
| Faded UP Limited | Wholesale & retail | 2021 |
| Fadewill Properties Ltd | Real estate | 2025 |
| Fadhi-Wanaag Sports Cafe Ltd | Hospitality | 2018 |
| Fadk Consulting Ltd | Information & communication | 2017 |
| Fadmisz Allied Services Ltd | Transport & logistics | 2022 |
| Fado Film UK Ltd | Information & communication | 2021 |
| Fafee Properties Limited | Real estate | 2020 |
| Fafnir Bess Limited | Energy | 2021 |
| Failand Enterprises Ltd | Agriculture & fishing | 2015 |
| Failand Hill Estate Ltd | Manufacturing | 2025 |
| Failand Hill Farm (Infrastructure Services) Limited | Households | 1993 |
| Failand Homes Limited | Construction | 2015 |
| Fair and Share Ltd | Wholesale & retail | 2025 |
| Fair Investment Company Limited | Financial services | 2000 |
| Fair Mortgages Limited | Financial services | 2014 |
| Fair Play Adjudication Limited | Professional & scientific | 2019 |
| Fair Play Clean Energy (Clover Holdco) Limited | Financial services | 2025 |
| Fair Play Clean Energy Limited | Financial services | 2024 |
| Fair Roots Ltd | Wholesale & retail | 2025 |
| Fair Spaces Ltd | Other services | 2018 |
| Fair Trades Maintenance Ltd | Construction | 2025 |
| Fairbanks Traditional Fish & Chips Limited | Hospitality | 2007 |
| Fairbriar Park F2 Flats Residents' Association Limited | Households | 1994 |
| Faire Services Limited | Professional & scientific | 2020 |
| Fairfaw Ltd | Professional & scientific | 2020 |
| Fairfax Somerville Ltd | Information & communication | 2023 |
| Fairfield Dental Surgery Limited | Health & social care | 2007 |
| Fairfield Mansions (Bristol)Limited | Households | 1964 |
| Fairfield Technology Ltd | Information & communication | 2018 |
| Fairholm BS6 Ltd | Construction | 2026 |
| Fairholm Estates Ltd | Real estate | 2018 |
| Fairholm Group Ltd | Financial services | 2021 |
| Fairholm Management Services Limited | Households | 2011 |
| Fairhope Properties Ltd | Construction | 2025 |
| Fairman Property Ltd | Real estate | 2025 |
| Fairmaple Ltd | Information & communication | 2025 |
| Fairmedia Ltd | Extraterritorial | 2012 |
| Fairs Fayre Festivals and Events Ltd | Hospitality | 2025 |
| Fairsplit Ltd | Information & communication | 2025 |
| Fairtrade India UK Limited | Wholesale & retail | 2025 |
| Fairtrade Services (II) Limited | Arts & recreation | 2013 |
| Fairview Gardens Ltd | Households | 2007 |
| Fairview Investing Limited | Administrative & support | 2019 |
| Fairway (Bristol) Limited | Extraterritorial | 2012 |
| Fairway Electrical (Bristol) Ltd | Construction | 2021 |
| Fairway Engineering (Bristol) Limited | Manufacturing | 1996 |
| Fairway Financial Services Ltd | Administrative & support | 2019 |
| Fairway Support Services Limited | Administrative & support | 1996 |
| Fairways Management Company (Bristol) Limited | Households | 2011 |
| Fairweather Consultancy Limited | Wholesale & retail | 2022 |
| Fairy Love Ltd | Health & social care | 2026 |
| Fairydust Properties Ltd | Real estate | 2024 |
| Faisalabad Limited | Wholesale & retail | 2019 |
| Faith in RI Ltd | Professional & scientific | 2026 |
| Faith Life Church International | Other services | 2013 |
| Faith Morris Healthcare Services Ltd | Health & social care | 2019 |
| Faith Space UK Ltd | Education | 2019 |
| Faithfull Project Management Limited | Construction | 2016 |
| Faizangfx Ltd | Information & communication | 2025 |
| Fajr Holdings Ltd. | Wholesale & retail | 2024 |
| Fakhri Theards Ltd | Wholesale & retail | 2025 |
| Fakhri Threads Ltd | Wholesale & retail | 2025 |
| Falco Property Ltd | Real estate | 2025 |
| Falcon 1 Plus Ltd | Transport & logistics | 2024 |
| Falcon Construction Bristol Limited | Construction | 2024 |
| Falcon Court (Bristol) Limited | Households | 1963 |
| Falcon Investments (LKP) Limited | Extraterritorial | 2007 |
| Falcon Investments (SBP) Limited | Administrative & support | 2016 |
| Falcon Pest Control Limited | Agriculture & fishing | 2007 |
| Falcon Plant Group Limited | Wholesale & retail | 2025 |
| Falcon Plant Ltd | Administrative & support | 2019 |
| Falcon Plant Services Ltd | Manufacturing | 2025 |
| Falcon Properties (Bristol) Limited | Real estate | 2019 |
| Falcon Shield Solutions Ltd | Administrative & support | 2025 |
| Falcon UK Security Ltd | Public administration | 2023 |
| Falconback Limited | Professional & scientific | 2017 |
| Falconer Ceramics Ltd | Construction | 2024 |
| Falconhurst Residents Association Limited | Households | 1965 |
| Falfield Builders Limited | Construction | 1978 |
| Falkirk Group Limited | Administrative & support | 2006 |
| Falla and Wheeldon Limited | Professional & scientific | 2003 |