| Fabs Retail Ltd | Wholesale & retail | 2023 |
| Fabseil Ltd | Administrative & support | 2016 |
| FAC365 Ltd | Information & communication | 2009 |
| Face Cosmetics by Samantha Jane Ltd | Wholesale & retail | 2025 |
| Face ID Biometrics Ltd | Information & communication | 2015 |
| Facego Ltd | Information & communication | 2019 |
| Faceit Aesthetic Supplies UK Ltd | Other services | 2025 |
| Faceology Aesthetics Ltd | Other services | 2025 |
| Facepainting and Balloons by Design Limited | Arts & recreation | 2022 |
| Faces to Call Ltd | Information & communication | 2024 |
| Facey’S Transportations Ltd | Transport & logistics | 2026 |
| Facial Cosmetic Surgery Clinic Limited | Financial services | 2010 |
| Facial Surgery Lancashire Limited | Health & social care | 2022 |
| Facilities (NW) Ltd | Administrative & support | 2021 |
| Facility Living Ltd | Financial services | 2026 |
| Facility Management Services Ltd | Construction | 2020 |
| Factory Car Parts Ltd | Extraterritorial | 2013 |
| Factory Distribution Limited | Wholesale & retail | 2017 |
| Factory Moto Limited | Wholesale & retail | 2010 |
| Factory Motocross Graphics Limited | Other services | 2023 |
| Fade Haus Barbers Ltd | Other services | 2025 |
| Fade Station (NW) Ltd | Other services | 2024 |
| Fade Zone Barbers Bolton Ltd | Other services | 2025 |
| Fadiiz Global Ltd | Wholesale & retail | 2026 |
| Fado Service Ltd | Transport & logistics | 2023 |
| FAF (NW) Ltd | Real estate | 2014 |
| Fagura Holdings UK Ltd | Information & communication | 2019 |
| Faheem Limited | Health & social care | 2019 |
| Faheem Warraich Ltd | Wholesale & retail | 2023 |
| Fahhkm Ltd | Wholesale & retail | 2026 |
| Fahim Youssouf Limited | Health & social care | 2003 |
| Fahrenheitgas&Heating Ltd | Construction | 2024 |
| Fahzm Ltd | Wholesale & retail | 2024 |
| Faintstone Ltd | Information & communication | 2024 |
| Fair Family Lettings Limited | Real estate | 2025 |
| Fair Investment Group Ltd | Real estate | 2020 |
| Fair Move Estate Agent Ltd | Real estate | 2019 |
| Fair Move Sales Ltd | Real estate | 2022 |
| Fairclough J Limited | Wholesale & retail | 2023 |
| Fairhome Property Solutions Ltd | Construction | 2022 |
| Fairly Cultural Ltd | Wholesale & retail | 2019 |
| Fairmont Legal Ltd | Professional & scientific | 2019 |
| Fairview Windows Limited | Manufacturing | 1982 |
| Fairway Distribution Limited | Wholesale & retail | 2020 |
| Fairway Travel and Tours Ltd | Administrative & support | 2025 |
| Fairwood Leisure Storage Limited | Professional & scientific | 2012 |
| Faith Exchange CIC | Other services | 2022 |
| Faithtech Ltd | Information & communication | 2023 |
| Faiza Collection Ltd | Wholesale & retail | 2026 |
| Faiza Tech Ltd | Wholesale & retail | 2025 |
| Faizan Enterprizze Limited | Wholesale & retail | 2025 |
| Faizan Shahbaz Ltd | Wholesale & retail | 2026 |
| Faizi Tech Ltd | Wholesale & retail | 2023 |
| Fajer Fragrance Ltd | Wholesale & retail | 2025 |
| Fajr.A.Tech Ltd | Wholesale & retail | 2021 |
| Falahi Capitals Ltd | Health & social care | 2025 |
| Falak Property Services Ltd | Real estate | 2026 |
| Falcon Art CIC | Arts & recreation | 2014 |
| Falcon Asphalt Limited | Construction | 2011 |
| Falcon Blade Services Ltd | Manufacturing | 2019 |
| Falcon House (Echo) Limited | Health & social care | 2022 |
| Falcon Logistics Ltd | Transport & logistics | 2025 |
| Falcon Ridge Limited | Information & communication | 2008 |
| Falcon Travel Group Ltd | Transport & logistics | 2019 |
| Falconstone Ltd | Real estate | 2024 |
| Falex Care Limited | Health & social care | 2025 |
| Fali Locum Limited | Health & social care | 2014 |
| Falling Leaves Limited | Arts & recreation | 2019 |
| Fallowfield Films Limited | Information & communication | 2021 |
| Falmin Grill Bolton Ltd | Hospitality | 2025 |
| Falsgrave Health Care Limited | Wholesale & retail | 2021 |
| FAM Builders Ltd | Construction | 2024 |
| Famac International Limited | Professional & scientific | 2015 |
| Families and Babies (FAB) Ltd | Health & social care | 2022 |
| Family Corner CIC | Health & social care | 2025 |
| Family Grocers Limited | Wholesale & retail | 2018 |
| Family Inclusive Training Ltd | Arts & recreation | 2019 |
| Family Money Market Ltd | Wholesale & retail | 2022 |
| Family Options Limited | Extraterritorial | 2009 |
| Family Placement.Com Limited | Health & social care | 2001 |
| Family Star Passenger Transport by Rented Buses UK Ltd | Transport & logistics | 2020 |
| Familysafety Investments Ltd | Real estate | 2018 |
| Famix Ltd | Construction | 2024 |
| Famot (UK) Ltd | Health & social care | 2019 |
| Famsal UK Ltd | Real estate | 2022 |
| FAN Klapper Limited | Manufacturing | 2016 |
| Fannylang Driver Service Limited | Transport & logistics | 2024 |
| Fano Consulting Limited | Professional & scientific | 2023 |
| Fantabulous Limited | Information & communication | 2017 |
| Fanty Fashion Ltd | Other services | 2020 |
| Fanzone Danny Media Limited | Professional & scientific | 2024 |
| FAR Horizon Real Estate Ltd | Real estate | 2022 |
| FAR Horizon Titan Limited | Real estate | 2025 |
| FAR Link Sourcing Ltd | Wholesale & retail | 2019 |
| FAR OUT 67 Ltd | Wholesale & retail | 2023 |
| Farakh Riaz Ltd | Health & social care | 2012 |
| Farameen Ltd | Wholesale & retail | 2024 |
| Faramo Limited | Professional & scientific | 2025 |
| Farma Limited | Health & social care | 2020 |
| Farmer DAN Limited | Information & communication | 1999 |