| Farleigh Properties Limited | Real estate | 2007 |
| Farleigh Rengen (Five) Limited | Real estate | 2019 |
| Farleigh Rengen (Four) Limited | Construction | 2016 |
| Farleigh Rengen (Norfolk House) Limited | Real estate | 2019 |
| Farleigh Rengen (One) Limited | Real estate | 2017 |
| Farleigh Rengen (the Guild) Limited | Construction | 2019 |
| Farleigh Rengen (Three) Limited | Construction | 2018 |
| Farleigh Rengen Beaufort Limited | Real estate | 2021 |
| Farleigh Rengen West Street Limited | Real estate | 2021 |
| Farleigh Ventures Limited | Financial services | 2019 |
| Farmborough View Residents Management Company Limited | Households | 2015 |
| Farmhouse Agency Ltd | Professional & scientific | 2024 |
| Faro Workshop Ltd | Construction | 2015 |
| Farooq & Fatima Limited | Health & social care | 2013 |
| Farooq and Fatima Properties Ltd Ltd | Real estate | 2025 |
| Farrelly Atkinson (F-At) Limited | Professional & scientific | 2008 |
| Fashion AZ Limited | Professional & scientific | 2018 |
| Fashion Museum Foundation | Arts & recreation | 2022 |
| Fashion Theatre Ltd | Professional & scientific | 2011 |
| Fastnet BFS Limited | Professional & scientific | 2018 |
| FAT Graphics Limited | Information & communication | 2010 |
| Faulkner Studio Ltd | Professional & scientific | 2020 |
| Fawcett Price Capital Ltd | Financial services | 2025 |
| Fayju Limited | Information & communication | 2009 |
| FBJ Consultants Limited | Professional & scientific | 2016 |
| FC Bath Ltd | Arts & recreation | 2017 |
| FCB Corporate Member Limited | Professional & scientific | 2013 |
| FCB Studios Holding Company Limited | Financial services | 2014 |
| FCB Studios International Limited | Professional & scientific | 2014 |
| FCB Studios Limited | Professional & scientific | 2014 |
| Fear Scream Park Ltd | Hospitality | 2019 |
| Feast and Forno Ltd | Hospitality | 2024 |
| Featured Developments Limited | Real estate | 2014 |
| Feel Good Marketing Group Ltd | Administrative & support | 2021 |
| FEG Consulting Ltd | Professional & scientific | 2021 |
| Feilden Clegg Bradley Studios LLP | | 2001 |
| Feisty Films Limited | Information & communication | 2012 |
| Felicity Hamilton Design Ltd | Professional & scientific | 2025 |
| Feline Films Limited | Arts & recreation | 1991 |
| Felix Property Services Limited | Households | 2017 |
| Felt Thought Psychology Ltd | Education | 2012 |
| FEN Art Limited | Professional & scientific | 2010 |
| Ferenberge Consulting Limited | Professional & scientific | 2018 |
| Ferens Posnett Limited | Financial services | 2018 |
| Fergus B Gordon Live Events Ltd | Administrative & support | 2018 |
| Ferguson RAY Consulting Limited | Professional & scientific | 2017 |
| Fermentative Ltd | Financial services | 2022 |
| Ferrington Manor Fractionals Limited | Professional & scientific | 2014 |
| Ferrith Ltd | Information & communication | 2025 |
| Fersfield Management Company Ltd. | Households | 2002 |
| Feywild Consulting Ltd. | Information & communication | 2020 |
| FFS Care Services Ltd | Health & social care | 2024 |
| FG Select Motors Ltd | Wholesale & retail | 2026 |
| FGA Enterprises Limited | Real estate | 2020 |
| FH Property Development Ltd | Construction | 2024 |
| Fiddlers Holdings Limited | Professional & scientific | 2012 |
| Fiddlers Limited | Construction | 2011 |
| Fidelius Corporate Trustee Ltd | Financial services | 2018 |
| Fidelius Group Ltd | Professional & scientific | 2010 |
| Fidelius Ltd | Financial services | 1998 |
| Field Doctor Ltd | Manufacturing | 2019 |
| Field, Fire & Feast Ltd | Hospitality | 2007 |
| Fieldhr Consulting Limited | Professional & scientific | 2002 |
| Fifty-Fifty Publishing Limited | Information & communication | 2013 |
| FIFTY6 NINETY6 Limited | Arts & recreation | 2011 |
| FIG Tree Court Limited | Real estate | 2016 |
| Figo Hair Limited | Other services | 2003 |
| Filemender Ltd | Information & communication | 2026 |
| Filmbath Ltd | Information & communication | 1997 |
| Films for Change Limited | Administrative & support | 2021 |
| Financial Cloud Holdings Limited | Financial services | 2017 |
| Financial Cloud Technology Limited | Information & communication | 2025 |
| Financial Management Bath Ltd | Professional & scientific | 2014 |
| Finch Art Projects Ltd | Wholesale & retail | 2025 |
| Find a Therapy Limited | Information & communication | 2014 |
| Find IT Film Ltd | Information & communication | 2016 |
| Findele Ltd | Information & communication | 2023 |
| Findicate Limited | Information & communication | 2011 |
| Findlay Jackson Ltd | Construction | 2024 |
| Fink Motion Ltd | Manufacturing | 2025 |
| Finkbeiner UK Ltd | Wholesale & retail | 2022 |
| Finn & Finch Publishing Ltd | Information & communication | 2026 |
| Finovate Advisory Limited | Professional & scientific | 2021 |
| Fintern Navigator Ltd | Information & communication | 2025 |
| Fiore Gardens Ltd | Professional & scientific | 2024 |
| FIR Homes Limited | Real estate | 2004 |
| Fire Foundry Ltd | Manufacturing | 2025 |
| Fire Sign Limited | Professional & scientific | 2014 |
| Firebox Accelerator Limited | Professional & scientific | 2014 |
| Firebrew Ltd | Wholesale & retail | 2020 |
| Firehouse Rotisserie Limited | Hospitality | 1994 |
| Fireside X Ltd | Wholesale & retail | 2015 |
| Firethorn Agency Ltd | Administrative & support | 2017 |
| Firgrove Homes (Bath) Limited | Construction | 2020 |
| Firm Front Management Limited | Professional & scientific | 2003 |
| Firmstone Trading Limited | Administrative & support | 2025 |
| Firmus Consulting Limited | Administrative & support | 2010 |
| Firmus Property Developments Limited | Real estate | 2021 |
| First Edition Fitness Limited | Wholesale & retail | 2007 |
| First Financial Advisers Limited | Financial services | 1997 |