| Flintpine Residents Association Limited | Households | 1984 |
| Flipping Delicious Limited | Extraterritorial | 2019 |
| Floodcare Plumbing & Heating Ltd | Construction | 2025 |
| Floor Screed Supplies Ltd | Construction | 2018 |
| FLOOR2 Limited | Professional & scientific | 2012 |
| Floorsquared Limited | Professional & scientific | 2012 |
| Floorstore South Ltd | Wholesale & retail | 2018 |
| Florence Court (Boscombe) Management Company Ltd | Households | 1995 |
| Florence Flat Management Company Limited | Households | 1988 |
| Florentina Investments Limited | Health & social care | 2023 |
| Florentina Residents Management Limited | Households | 1991 |
| Florentynkornel Limited | Health & social care | 2023 |
| Floud Motorhomes Limited | Wholesale & retail | 2015 |
| Flow Diagnostics Limited | Health & social care | 2025 |
| Flow Mental Health Ltd | Health & social care | 2023 |
| Flow Products Ltd | Professional & scientific | 2022 |
| Flowerkittle Dorset Ltd | Professional & scientific | 2024 |
| Flownest Drive Ltd | Transport & logistics | 2025 |
| Flowstate Solutions Inc Limited | Information & communication | 2023 |
| Flowtech Ltd | Administrative & support | 2016 |
| Flukefortune Ltd | Wholesale & retail | 2020 |
| Fly-Safely Ltd | Transport & logistics | 2019 |
| Flying Colours School of Motoring Limited | Education | 2000 |
| Flying COW Labs Ltd | Information & communication | 2013 |
| Flying Duck Creative Limited | Professional & scientific | 2003 |
| Flying Tigers Oversize Cargo PTY Ltd | Transport & logistics | 2020 |
| Flymast Trading Co. Limited | Construction | 1969 |
| Flyprova Ltd | Wholesale & retail | 2026 |
| Flytochange Limited | Administrative & support | 2026 |
| Flywheel Strategists Limited | Professional & scientific | 2021 |
| FM Composites Ltd | Manufacturing | 2025 |
| FMA Marketing UK Limited | Professional & scientific | 2015 |
| FMS360 Build Ltd | Construction | 2025 |
| FNE Properties Ltd | Real estate | 2025 |
| Foamex Solutions Ltd | Construction | 2024 |
| Focus Guru Groups Limited | Real estate | 2018 |
| Focused Finances Ltd | Professional & scientific | 2022 |
| Foley's Antiques Ltd | Wholesale & retail | 2012 |
| Fomo Investments Ltd | Real estate | 2023 |
| Fonewise Ltd | Information & communication | 2024 |
| Food and Fellowship CIC | Hospitality | 2025 |
| Food for Benjamin Ltd | Information & communication | 2009 |
| Food Polski Sklep Ltd | Wholesale & retail | 2026 |
| Food Waste Services Ltd | Water & waste | 2018 |
| Foodation Ltd | Hospitality | 2017 |
| Foot Rescue Ltd | Health & social care | 2005 |
| Football Academy Bournemouth Ltd | Arts & recreation | 2025 |
| Footlong Holdings Ltd | Financial services | 2023 |
| Footloose Escapes Limited | Hospitality | 2024 |
| Footprint Architects Limited | Professional & scientific | 2010 |
| Footstep Communications Ltd | Professional & scientific | 2022 |
| Footsteps to Growth Ltd | Other services | 2021 |
| Footworks Limited | Manufacturing | 2000 |
| FOR Brides Sake Ltd | Wholesale & retail | 2025 |
| FOR Starters Ltd | Hospitality | 2019 |
| FOR the Love of Dog Ltd | Administrative & support | 2018 |
| FOR the Many Ltd | Hospitality | 2017 |
| Foraged and Found Ltd | Wholesale & retail | 2025 |
| Forbidden Events Ltd | Arts & recreation | 2015 |
| Forbidden Nights Brighton Ltd | Arts & recreation | 2022 |
| Forbidden Nights Ltd | Arts & recreation | 2013 |
| Forbury Consulting Limited | Professional & scientific | 2024 |
| Forbury FOX Limited | Real estate | 2022 |
| Ford Anaesthesia Ltd | Health & social care | 2022 |
| Forde Mews (Roundhill) Management Number 2 Ltd | Households | 2023 |
| Fordingbridge Dance Studios Limited | Education | 2014 |
| Forefront Roofing Ltd | Construction | 2023 |
| Foremost Investment Group Limited | Real estate | 2017 |
| Forerunner Personal Catering Limited | Hospitality | 2000 |
| Forest Edge Home Improvements Ltd | Construction | 2016 |
| Forest Gate Court RTM Company Limited | Households | 2011 |
| Forest Letting Co Ltd | Real estate | 2020 |
| Forest Lodge (Poole) Residents Company Limited | Households | 2021 |
| Forest Road Residents Management Limited | Households | 2011 |
| Forest Vending (South) Limited | Real estate | 1982 |
| Forester Biuro Lesne Ltd | Agriculture & fishing | 2021 |
| Forever Green Florist & Gifts Ltd | Wholesale & retail | 2024 |
| Forever Green Florist Ltd | Wholesale & retail | 2016 |
| Forge Garage (Winton) Limited | Wholesale & retail | 2009 |
| Formations NO 217 LLP | | 2016 |
| Formwork Surveying Ltd | Construction | 2020 |
| Forno Pizza Ltd | Hospitality | 2018 |
| Forrest Inventories Ltd | Real estate | 2024 |
| Forte Carpentry Ltd | Manufacturing | 2024 |
| Fortis Capital Management Ltd | Real estate | 2010 |
| Fortitude Sport Limited | Wholesale & retail | 2020 |
| Fortivo Limited | Financial services | 2024 |
| Fortress Global Analytics Limited | Information & communication | 2018 |
| Fortuna Mortgages Ltd | Financial services | 2018 |
| Fortuna Studios Ltd | Professional & scientific | 2025 |
| Fortuna Terra Estates Ltd | Real estate | 2025 |
| Forty Pinecliffe Freehold Limited | Households | 2016 |
| Forty-Nine Victoria Road Limited | Hospitality | 2007 |
| Forward Flight Ltd | Manufacturing | 2022 |
| Forwardflip Limited | Information & communication | 2021 |
| Foster (Bournemouth) Management Company Limited | Real estate | 1985 |
| Fotiver Ltd | Manufacturing | 2024 |
| Fountain Court Bournemouth Freehold Limited | Hospitality | 2014 |
| Fountain Court Flats (Management) Limited | Households | 1980 |
| Fountainpillars Ltd | Transport & logistics | 2025 |