| Fighting Films International LLP | | 2009 |
| Fighting Films Limited | Information & communication | 1990 |
| Fighting for Futures CIC | Arts & recreation | 2025 |
| Figueroa Commercial Painting and Decorating Limited | Construction | 2016 |
| Figure Nine Ltd | Professional & scientific | 2011 |
| Figure Partners Limited | Professional & scientific | 2024 |
| Figurebook Limited | Manufacturing | 1994 |
| Figures 4 Figures Limited | Professional & scientific | 2016 |
| Filbert Village GP Limited | Real estate | 2006 |
| Filbert Village Student Accommodation, L.P. | | 2006 |
| Filco Beverage and Food Company Ltd | Other services | 2022 |
| Filco Food and Beverage Limited | Other services | 2022 |
| Filco INT. Co. Ltd. | Professional & scientific | 2008 |
| File Centre (Bristol) Limited | Information & communication | 2006 |
| File Centre Document & Data Storage Limited | Information & communication | 2006 |
| File Centre Limited | Administrative & support | 2010 |
| File Dynamics Limited | Information & communication | 2015 |
| Filearm Limited | Extraterritorial | 1989 |
| Filer Online & Sales Ltd | Education | 2023 |
| Filii Projects Ltd | Construction | 2025 |
| Filip Wozniak Ltd | Transport & logistics | 2021 |
| Film MCR Ltd | Extraterritorial | 2020 |
| Film TV Design Limited | Information & communication | 2015 |
| Filmcote Limited | Wholesale & retail | 2002 |
| Films @ 59 Holdings Limited | Financial services | 2020 |
| Films at 59 Limited | Information & communication | 1990 |
| Filprof Care Services Limited | Health & social care | 2014 |
| Filsar Ltd | Administrative & support | 1999 |
| Filsy Limited | Transport & logistics | 2001 |
| Filtara Ltd | Wholesale & retail | 2026 |
| Filter Clinic Ltd | Other services | 2024 |
| Filterflow Europe Limited | Manufacturing | 2019 |
| Filton and District Social Club Limited | Hospitality | 2019 |
| Filton Bargains Store Ltd | Wholesale & retail | 2017 |
| Filton Cleaning Experts Ltd | Administrative & support | 2023 |
| Filton Coffee & Kitchen Ltd | Hospitality | 2026 |
| Filton Comms Limited | Information & communication | 2023 |
| Filton Lets Limited | Real estate | 2016 |
| Filton Liquor and Wine Ltd | Hospitality | 2025 |
| Filton Masonic Hall Company Limited | Other services | 1955 |
| Filton Mini Market Ltd | Wholesale & retail | 2026 |
| Filton Systems Engineering Ltd | Professional & scientific | 2012 |
| Filwood Broadway Grocery Ltd | Wholesale & retail | 2024 |
| Filwood Hope Ltd | Information & communication | 1997 |
| Filwood House (Kingswood) Limited | Real estate | 1973 |
| Filwood House Management Company Limited | Households | 2018 |
| Filwood International Mini Market Ltd | Wholesale & retail | 2021 |
| Filwood Playing Field Trust | Arts & recreation | 2001 |
| Filwood Property Limited | Real estate | 2002 |
| Filwood Service and MOT Centre Limited | Wholesale & retail | 2018 |
| Fimios Limited | Financial services | 2022 |
| FIN (West) Limited | Information & communication | 2007 |
| FIN Coulter Limited | Information & communication | 2023 |
| Final Draft Artwork Limited | Professional & scientific | 2011 |
| Finan Build Ltd | Construction | 2021 |
| Finan Formworks Limited | Construction | 2018 |
| Finance Advice Centre (Bristol) Ltd | Financial services | 2019 |
| Finance ELF Limited | Professional & scientific | 2024 |
| Finance Navigator Limited | Information & communication | 2014 |
| Finance Software Queen Limited | Professional & scientific | 2025 |
| Financial & Energy Trading Solutions Ltd | Administrative & support | 2013 |
| Financial Claims Made Simple Holdings Limited | Financial services | 2019 |
| Financial Consulting Bristol Limited | Professional & scientific | 2016 |
| Financial Legacy Builder's Mindset Ltd | Other services | 2020 |
| Financial Legacy Building Ltd | Other services | 2020 |
| Financial Legacy Investing Ltd | Other services | 2020 |
| Financial Legacy Office Ltd | Other services | 2020 |
| Financial Legacy Round Table Ltd | Other services | 2020 |
| Financial Legacy Trading Ltd | Information & communication | 2019 |
| Financial Planner Life Ltd | Professional & scientific | 2020 |
| Financial Technologies Limited | Information & communication | 2024 |
| Financial Web Limited | Information & communication | 2009 |
| Financial Wellbeing Pulse Ltd | Administrative & support | 2023 |
| Finaways UK Limited | Financial services | 2025 |
| Finbrown Ltd | Real estate | 2025 |
| Finbury Services Limited | Information & communication | 2024 |
| Finbury Services UK Limited | Financial services | 2024 |
| Finch & Bramble Ltd | Administrative & support | 2025 |
| Finch Property Limited | Real estate | 2009 |
| Finco Omaha Ltd | Financial services | 2014 |
| Finco Specialist Finance Ltd | Financial services | 2025 |
| Find Business Associates Limited | Real estate | 1985 |
| Find Lettings Ltd | Households | 2024 |
| Find ME a Tradesperson Ltd | Information & communication | 2025 |
| Find ME a Tutor Ltd | Information & communication | 2025 |
| Find My Business Services Ltd | Arts & recreation | 2024 |
| Find My Hospitality Limited | Arts & recreation | 2010 |
| Find My Van.Co.Uk Ltd | Wholesale & retail | 2026 |
| Find the Story Ltd | Hospitality | 2025 |
| Finders Travel Limited | Administrative & support | 2026 |
| Finders-Keepers Sports and Marketing Limited | Other services | 2006 |
| Findlay Associates Limited | Professional & scientific | 1998 |
| Findmycar.Co.Uk Ltd | Wholesale & retail | 2013 |
| Findmyskn Limited | Wholesale & retail | 2025 |
| Findoption Limited | Real estate | 1986 |
| Fine & Dandy Barbershop Ltd | Other services | 2019 |
| Fine and Eco Limited | Wholesale & retail | 2020 |
| Fine Cuisine Nailsea Limited | Hospitality | 2023 |
| Fine Edge Solutions Limited | Administrative & support | 2025 |
| Fine Food Mart Ltd | Wholesale & retail | 2025 |