| Fade My INK Ltd | Other services | 2024 |
| Faded Footsteps Ltd | Arts & recreation | 2025 |
| Fadee Zone Ltd | Other services | 2023 |
| Fadeezbarber Ltd | Other services | 2023 |
| Fades Barbers LE Ltd | Other services | 2023 |
| FAE Service Solutions Limited | Extraterritorial | 2019 |
| Fagee Leadership 4 Excellence Ltd | Manufacturing | 2023 |
| Fagee Limited | Wholesale & retail | 2013 |
| Faheem & Humara Medical Limited | Health & social care | 2015 |
| Fahrenheit Plumbing & Heating Limited | Construction | 2005 |
| Fair Blossoms Healthcare Ltd | Administrative & support | 2020 |
| Fair Play Waste Ltd | Wholesale & retail | 2021 |
| Fairbanks Heritage Limited | Professional & scientific | 2019 |
| Fairbuild Properties Limited | Real estate | 2021 |
| Fairbuild Renovations Ltd | Construction | 2010 |
| Fairbuild Rentals Limited | Real estate | 2017 |
| Fairchoice Products Limited | | 1985 |
| Faircross 1954 Limited | Construction | 2023 |
| Fairdeal Motor Company Ltd | Real estate | 2007 |
| Fairey Co Ltd | Wholesale & retail | 2023 |
| Fairfield Imaging Limited | Professional & scientific | 1995 |
| Fairfield Park (Ollerton) Limited | Real estate | 2009 |
| Fairgate Van Sales Ltd | Wholesale & retail | 2021 |
| Fairground Equipment Safety Scheme Ltd. | Professional & scientific | 2008 |
| Fairgrove (Derby) Limited | Construction | 2014 |
| Fairgrove (East Midlands) Limited | Construction | 2015 |
| Fairgrove (Nottingham) Limited | Construction | 2014 |
| Fairgrove Estates Limited | Construction | 2001 |
| Fairgrove Homes Limited | Construction | 2021 |
| Fairgrove Investments Limited | Construction | 2013 |
| Fairholme Park Limited | Real estate | 2007 |
| Fairlawn Medical Ltd | Health & social care | 2023 |
| Fairly Trading Limited | Wholesale & retail | 2009 |
| Fairmaid Publishing Ltd | Information & communication | 2025 |
| Fairmate Surveys Ltd | Professional & scientific | 2023 |
| Fairmont Estates (Midlands) Ltd | Real estate | 2019 |
| Fairmount Construction Ltd | Construction | 2024 |
| Fairvalue Properties Ltd | Real estate | 2025 |
| Fairview Estates CP Limited | Real estate | 2011 |
| Fairview Farm Holiday Accommodation Ltd | Hospitality | 2019 |
| Fairway Pharmacies Limited | Wholesale & retail | 2001 |
| Fairy Godmother Cleaning Services Ltd | Administrative & support | 2021 |
| Fairy Tatt Mother Ltd | Other services | 2025 |
| Faith Medic Care Ltd | Health & social care | 2011 |
| Faith Portfolio Management Services Limited | Real estate | 2020 |
| Faizan Rafaqat Ltd | Wholesale & retail | 2025 |
| Faizi Enterprises Ltd | Wholesale & retail | 2026 |
| Faizioffiicialenterprises Ltd | Wholesale & retail | 2025 |
| Fajarfaisal Ltd | Wholesale & retail | 2025 |
| Fajny House Ltd | Real estate | 2025 |
| Fajny Shop Ltd | Wholesale & retail | 2020 |
| Fake Perfection Ltd | Other services | 2021 |
| FAL MED Limited | Financial services | 2025 |
| Falafel Baffle Ltd | Hospitality | 2023 |
| Falafel Food Co Ltd | Hospitality | 2020 |
| Falcon Bookkeeping Ltd | Professional & scientific | 2020 |
| Falcon Environmental Ltd | Health & social care | 2008 |
| Falcon Equityco 1 Limited | Financial services | 2017 |
| Falcon Equityco 2 Limited | Financial services | 2017 |
| Falcon Fast Limited | Wholesale & retail | 2025 |
| Falcon Holdings SPV Limited | Real estate | 2020 |
| Falcon Pest Services Limited | Agriculture & fishing | 2014 |
| Falcon Red Ltd | Information & communication | 2019 |
| Falcon Stone Construction Ltd | Construction | 2026 |
| Falconbridge Properties Ltd | Real estate | 2026 |
| Falconbridge Site Security Ltd | Construction | 2015 |
| Falken IT Limited | Information & communication | 2025 |
| Falkirk V.E. Limited | Other services | 1996 |
| Falling Water Homes Ltd | Construction | 2008 |
| Falone Limited | Financial services | 2012 |
| Falstone Ltd | Wholesale & retail | 2020 |
| FAM Deals Limited | Wholesale & retail | 2024 |
| Fama Barbers Nottingham Limited | Other services | 2026 |
| Family Board Limited | Other services | 2020 |
| Family Business Futures Limited | Public administration | 2011 |
| Family Catering Services Ltd | Hospitality | 2025 |
| Family Dining Pubs Limited | Hospitality | 2024 |
| Family Focused Limited | Health & social care | 2003 |
| Family Mall Ltd | Wholesale & retail | 2024 |
| Family Mentors Alliance CIC | Education | 2024 |
| Family Play Center Ltd | Arts & recreation | 2024 |
| Family Property Management Ltd | Real estate | 2024 |
| Family Tree West Bridgford Limited | Health & social care | 2026 |
| Famjad Limited | Professional & scientific | 2018 |
| Fammtastic Limited | Wholesale & retail | 2025 |
| Famss Group Limited | Wholesale & retail | 2025 |
| Fanafrik Market Ltd | Wholesale & retail | 2025 |
| Fanclub Clothing Limited | Wholesale & retail | 2021 |
| Fancy and Chooch Ltd | Arts & recreation | 2021 |
| Fancy Nails DC Ltd | Other services | 2022 |
| Fanning Consulting Limited | Professional & scientific | 2020 |
| Fanon Healthcare | Professional & scientific | 2000 |
| Fanshawe Property Developments Limited | Real estate | 2023 |
| Fant Ltd | Construction | 2025 |
| Fantasy Island Leisure Limited | Arts & recreation | 2016 |
| Fantasy Island Operations Limited | Arts & recreation | 2016 |
| Fantasy Island Retail Limited | Real estate | 2016 |
| FAR Investments Limited | Real estate | 2021 |
| FAR Marsh Wind Farm Limited | Energy | 2014 |
| Far-Uk Ltd | Manufacturing | 2012 |