| FAM Stumabo UK Limited | Wholesale & retail | 1982 |
| FAM Supported Living Ltd | Health & social care | 2025 |
| FAM Travels Ltd | Administrative & support | 2017 |
| Fambly Ltd | Information & communication | 2025 |
| Fame Cars Ltd | Wholesale & retail | 2023 |
| Fame Facilities Mangement Ltd | Construction | 2024 |
| Fame-World Ltd | Wholesale & retail | 2017 |
| Famecorp Ltd | Hospitality | 2014 |
| Famida Ahmed Ltd | Real estate | 2025 |
| Familia Living Limited CIC | Health & social care | 2023 |
| Families Apart Limited | Health & social care | 2018 |
| Families of Egyptians Detainees Alliance Ltd | Other services | 2026 |
| Famille Debelle Medical Services Limited | Health & social care | 2017 |
| Family Bazzar Ltd | Wholesale & retail | 2017 |
| Family Blinds Limited | Wholesale & retail | 2016 |
| Family Carpet & Blinds Ltd | Wholesale & retail | 2026 |
| Family Circle CIC | Health & social care | 2026 |
| Family Faith Property Network Ltd | Real estate | 2025 |
| Family Focus Point CIC | Administrative & support | 2024 |
| Family Footwear Birmingham Limited | Wholesale & retail | 2026 |
| Family Footwear Birmingham Private Limited | Wholesale & retail | 2026 |
| Family FUN Zone (Sutton) Limited | Arts & recreation | 2022 |
| Family Furniture Ltd | Wholesale & retail | 2019 |
| Family Halal Meat Ltd | Wholesale & retail | 2025 |
| Family Homes Group Ltd | Real estate | 2016 |
| Family Law Assist Ltd | Professional & scientific | 2023 |
| Family Matters Enterprise Limited | Health & social care | 2016 |
| Family Pizza Grill Ltd | Hospitality | 2026 |
| Family Quokka Limited | Real estate | 2020 |
| Family Reunite Limited | Professional & scientific | 2019 |
| Family Tree FA Services and Cleaning Limited | Administrative & support | 2024 |
| Family Tree Farms UK Limited | Wholesale & retail | 2019 |
| Family Tree Support Services Ltd | Professional & scientific | 2026 |
| Family Vybz Ltd | Hospitality | 2024 |
| Familynotfriends Ltd | Wholesale & retail | 2023 |
| Famliy Homes Limited | Real estate | 2025 |
| Famora Properties Ltd | Real estate | 2026 |
| Famous Cooking Limited | Hospitality | 2019 |
| Famous Wolf Group Ltd | Information & communication | 2019 |
| Famscrat Investments | Financial services | 2019 |
| Famsmith Investments Limited | Financial services | 2026 |
| Fanadiq Hassan Ltd | Hospitality | 2020 |
| Fancy Impress Limited | Wholesale & retail | 2018 |
| Fancy LED Ltd | Manufacturing | 2022 |
| Fancy Metal Goods Limited | Wholesale & retail | 1940 |
| Fancy Pizza Food Ltd | Hospitality | 2024 |
| Fandango Media Limited | Information & communication | 2014 |
| Fands Foods and Groceries Limited | Wholesale & retail | 2026 |
| Fanduel Group Holdings UK 2 Limited | Financial services | 2025 |
| Fanduel Group Holdings UK Limited | Financial services | 2025 |
| Fanduel Group Limited | Financial services | 2021 |
| Fanduel International, Ltd | Financial services | 2022 |
| Fang Filer Services Ltd | Health & social care | 2020 |
| Fanhear Limited | Construction | 1982 |
| Fanlink Ltd | Professional & scientific | 2024 |
| Fann International UK Ltd | Wholesale & retail | 2017 |
| Fanore Property Development Limited | Construction | 2011 |
| Fans & Blowers Limited | Manufacturing | 2004 |
| Fans & Spares Ltd | Extraterritorial | 2010 |
| Fanshiguang Ltd | Hospitality | 2026 |
| Fantasy Gymnastics Academy Limited | Arts & recreation | 2026 |
| Fantasy Gymnastics Club Limited | Arts & recreation | 2022 |
| Fanworks Ltd | Manufacturing | 2019 |
| Fanz Ltd | Construction | 2015 |
| FAQ Exclusive Ltd | Health & social care | 2023 |
| FAQ Finance Limited | Wholesale & retail | 2025 |
| FAR Down Events Ltd | Hospitality | 2025 |
| FAR East Holdings UK Midlands Limited | Real estate | 2025 |
| FAR East Kettering Ltd | Hospitality | 2026 |
| Fara -B Property Group Limited | Real estate | 2026 |
| Farad Group Ltd | Construction | 2019 |
| Faraday Avenue Holdings Ltd | Financial services | 2022 |
| Faraday Avenue Properties Ltd | Real estate | 2022 |
| Faraday Ecospaces Limited | Real estate | 2024 |
| Faraday Web Services Ltd | Wholesale & retail | 2021 |
| Farah Rauf Ltd | Wholesale & retail | 2025 |
| Farahive Limited | Wholesale & retail | 2025 |
| Faramade Limited | Mining & quarrying | 2023 |
| Faran Ishtiaq Limited | Wholesale & retail | 2024 |
| Faraz Fried Chicken Limited | Wholesale & retail | 2007 |
| Faraz Travel Ltd | Administrative & support | 2017 |
| Farcas Ltd | Wholesale & retail | 2016 |
| Farcroft Investments Ltd | Real estate | 2017 |
| Fardowsa Locumz Limited | Public administration | 2025 |
| Fareed Hussain Ltd | Wholesale & retail | 2021 |
| Fareguard Ltd | Information & communication | 2025 |
| Fargali SEC Limited | Information & communication | 2022 |
| Fargo Barbers Ltd | Other services | 2022 |
| Fargo London Ltd | Wholesale & retail | 2024 |
| Fargon Ltd | Wholesale & retail | 2019 |
| Farhaanzz Ltd | Professional & scientific | 2025 |
| Farhatclothings Ltd | Wholesale & retail | 2026 |
| Farid Cars Ltd | Administrative & support | 2024 |
| Farid Investments Limited | Financial services | 2020 |
| Farid Jalal Limited | Wholesale & retail | 2013 |
| Farina Sutton Coldfield Ltd | Hospitality | 2018 |
| Faris Travel Ltd | Transport & logistics | 2023 |
| Farishta Bint Fahim Property Ltd | Real estate | 2023 |
| Fariya Eyecare Ltd | Real estate | 2017 |
| Farley & Weston (Midlands) Limited | Wholesale & retail | 2013 |