| Feltons Group Ltd | Hospitality | 2025 |
| Fencing the Way NW Ltd | Construction | 2025 |
| Fencom Ltd | Wholesale & retail | 2010 |
| Fenton Croft Consultancy Limited | Professional & scientific | 2014 |
| Fenton Imports Ltd | Wholesale & retail | 2018 |
| Fenton Trade Ltd | Wholesale & retail | 2025 |
| Fentone Estates Ltd | Construction | 2026 |
| Fentonway Ltd | Wholesale & retail | 2022 |
| Fenza Styles Limited | Wholesale & retail | 2025 |
| Fern Social Capital Consulting Ltd | Health & social care | 2015 |
| Fernbeck Ltd | Real estate | 2009 |
| Ferncrest Healthcare Ltd | Health & social care | 2012 |
| Fernhill Housing Ltd | Real estate | 2026 |
| Fernrest Limited | Real estate | 2018 |
| Fernwood Home Services Ltd | Construction | 2023 |
| Ferrel Ltd | Professional & scientific | 2019 |
| Ferris Wheel UK Limited | Arts & recreation | 2025 |
| Fersha Collection Ltd | Wholesale & retail | 2023 |
| Fesh Consulting Ltd | Administrative & support | 2025 |
| Fest Page Ltd | Health & social care | 2022 |
| Festus Care Limited | Health & social care | 2021 |
| Festuskingsley Ltd | Wholesale & retail | 2025 |
| Feuas UK Ltd | Wholesale & retail | 2024 |
| FF Group Ltd | Wholesale & retail | 2025 |
| FF Investments Limited | Hospitality | 2016 |
| FF Motors Bolton Ltd | Wholesale & retail | 2025 |
| FF Virtual Ltd | Hospitality | 2026 |
| FFG Leisure Ltd | Other services | 2018 |
| FFG Ventilation Limited | Administrative & support | 2022 |
| FFK Investments Limited | Real estate | 2026 |
| FG Aesthetics Limited | Other services | 2021 |
| FG Bolton Ltd | Hospitality | 2024 |
| FG Call Lane Ltd | Construction | 2025 |
| FG Harrogate Ltd | Construction | 2026 |
| FG Huttons Ltd | Construction | 2013 |
| FG Irlam RD Ltd | Construction | 2025 |
| FG Kirkgate 2 Ltd | Construction | 2025 |
| FG Kirkgate Ltd | Construction | 2025 |
| FG Leeds 1 Ltd | Construction | 2024 |
| FG Leeds 2 Ltd | Construction | 2024 |
| FG Loom Ltd | Construction | 2014 |
| FG Micklefield Ltd | Construction | 2025 |
| FG Nile Street Ltd | Construction | 2024 |
| FG Ordsall Lane Ltd | Construction | 2017 |
| FG Properties NW Limited | Real estate | 2022 |
| FG Sandbach Ltd | Construction | 2026 |
| FG Services NW Ltd | Hospitality | 2024 |
| FG Sirius Ltd | Construction | 2014 |
| FG Southside Ltd | Construction | 2024 |
| FG Stanley Road Ltd | Construction | 2025 |
| FG Vivere Manchester Ltd | Construction | 2023 |
| FG Worrall Street Holdings Ltd | Construction | 2017 |
| FG Worrall Street Ltd | Real estate | 1958 |
| FGC Group Limited | Professional & scientific | 2016 |
| FGC Manufacturing Limited | Manufacturing | 1961 |
| FGC Properties Limited | Real estate | 2025 |
| FGM Engineering Consultants Limited | Professional & scientific | 2020 |
| FH Essentials Ltd | Wholesale & retail | 2026 |
| FH Online Retail Ltd | Wholesale & retail | 2025 |
| FH PEX Ltd | Wholesale & retail | 2020 |
| Fhak Sushi Ltd | Hospitality | 2025 |
| Fham Properties Limited | Real estate | 2024 |
| FHC Compliance Ltd | Other services | 2026 |
| FHD Properties Ltd | Real estate | 2026 |
| Fhta Recovery 24/07 Ltd | Transport & logistics | 2026 |
| FI Services Ltd | Professional & scientific | 2024 |
| FI Transport Ltd | Transport & logistics | 2020 |
| FIC Consulting Ltd | Professional & scientific | 2019 |
| Fidelity Engineering Solutions Limited | Professional & scientific | 2026 |
| Fidus Project Management Limited | Construction | 2023 |
| Field Brand Marketing Ltd | Professional & scientific | 2024 |
| Field Locum Veterinary Services Limited | Professional & scientific | 2014 |
| Fielding Building Services Limited | Construction | 1992 |
| Fielding Joinery Limited | Construction | 1998 |
| Fieldology Works Ltd | Professional & scientific | 2024 |
| Fieldtek Services Ltd | Wholesale & retail | 2026 |
| Fierce Fitness Ltd | Arts & recreation | 2025 |
| Fifth Floor Limited | Hospitality | 2011 |
| Fifty One Management Limited | Professional & scientific | 2023 |
| FIG Studios Ltd | Arts & recreation | 2022 |
| Figgy Productions Limited | Information & communication | 2017 |
| Fight Education Ltd | Information & communication | 2025 |
| Fight Inc International Ltd | Arts & recreation | 2025 |
| Fight Inc. Ltd. | Arts & recreation | 2017 |
| Fighting Stigma Coaching Ltd | Arts & recreation | 2025 |
| Fightingstigma CIC | Public administration | 2025 |
| Fiiju Ltd | Wholesale & retail | 2025 |
| Fiji Ventures Ltd | Professional & scientific | 2020 |
| Fileautoclaimsline Ltd | Professional & scientific | 2025 |
| Filethat Limited | Extraterritorial | 2011 |
| Filippini and Gray Ltd | Health & social care | 2014 |
| Fillerology Aesthetics Ltd | Health & social care | 2025 |
| Film Scaffolding Services Limited | Construction | 2008 |
| Film.Ss Properties Ltd | Real estate | 2020 |
| Filtration Engineers Ltd | Manufacturing | 2021 |
| Fima Architecture and Planning Ltd | Professional & scientific | 2014 |
| Fima Investments Limited | Real estate | 2017 |
| Fimzs Group Limited | Other services | 2016 |
| Financial Freedom Management Ltd | Extraterritorial | 2014 |
| Financial Freedom Marketing Limited | Wholesale & retail | 2013 |