| Foxtrot Twenty Limited | Professional & scientific | 2017 |
| Foxy Lady Beauty Salon Limited | Other services | 2002 |
| Fozz Care Limited | Public administration | 2024 |
| FP Construction Limited | Construction | 2012 |
| FPA Consulting Limited | Professional & scientific | 1996 |
| Fpanalytics Ltd | Information & communication | 2025 |
| Fpcr Employee Trustees Limited | Professional & scientific | 2020 |
| Fpcr Environment and Design Limited | Professional & scientific | 2010 |
| FPD Consultants Ltd. | Administrative & support | 2014 |
| FPL Properties Limited | Real estate | 2013 |
| FR Investment Properties Ltd | Real estate | 2023 |
| Fractional Marketing and PR Limited | Administrative & support | 2023 |
| Fraggle Jury Limited | Arts & recreation | 2013 |
| Frame Fast Limited | Extraterritorial | 2008 |
| Frames and Fascias Limited | Wholesale & retail | 2015 |
| Frampton Construction Ltd | Administrative & support | 2019 |
| Fran Private Domestic Cleaning & Home Care Ltd | Administrative & support | 2026 |
| Fran&Silv Limited | Information & communication | 2015 |
| Francesca Car Wash Ltd | Wholesale & retail | 2021 |
| Franchise Life Limited | Other services | 2020 |
| Francis Bricks & Mortar Limited | Real estate | 2012 |
| Francis Holdings Limited | Real estate | 1992 |
| Frank Feehan KC Limited | Professional & scientific | 2025 |
| Frank Feehan QC Ltd | Professional & scientific | 2013 |
| Frank Woodhouse & SON Limited | Wholesale & retail | 2003 |
| Frankfortgate Barber Ltd | Other services | 2020 |
| Franklin-Walker Associates Limited | Wholesale & retail | 2015 |
| Franklins Accountancy Audit & Tax Limited | Professional & scientific | 2020 |
| Franklyn & Co Associates Ltd | Professional & scientific | 2025 |
| Fraton Properties Limited | Real estate | 2022 |
| Freak 'EM Limited | Wholesale & retail | 2016 |
| Freddie Legs Ltd | Wholesale & retail | 2026 |
| Freddy and Friends Ltd | Arts & recreation | 2021 |
| Free Energy Help Ltd | Energy | 2025 |
| Freeberne Plant Haulage Ltd | Construction | 2011 |
| Freedom HQ Ltd | Other services | 2023 |
| Freeman + Co Surveying Ltd | Professional & scientific | 2026 |
| Freeman Williams Language Solutions Limited | Professional & scientific | 2008 |
| Freestone Design Limited | Professional & scientific | 2005 |
| Freestyle Marketing Communications Property Limited | Real estate | 2013 |
| Freight Solution Ltd | Transport & logistics | 2024 |
| Fresh Bazar Market Limited | Wholesale & retail | 2022 |
| Fresh Bite Derby Ltd | Hospitality | 2015 |
| Fresh Fridge Hire Limited | Administrative & support | 2016 |
| Fresh Logistics Holdings Limited | Transport & logistics | 2015 |
| Fresh Logistics Services Ltd | Transport & logistics | 2008 |
| Fresh Pharma Limited | Transport & logistics | 2015 |
| Fresh Phonics Ltd | Education | 2018 |
| Fresh Washrooms Ltd | Extraterritorial | 2009 |
| Freshh Contract Cleaning Ltd | Other services | 2019 |
| Freshly Pristine Ltd | Administrative & support | 2025 |
| Fresh’N UP Renovation’S Ltd | Construction | 2025 |
| Fressingfield Developments Limited | Real estate | 2011 |
| Frew Property Holdings Ltd | Financial services | 2022 |
| FRH Pharma Ltd | Health & social care | 2026 |
| FRI and Co Limited | Other services | 2025 |
| Friar Gate Express Limited | Wholesale & retail | 2024 |
| Friar Gate Independent Financial Services Limited | Financial services | 2004 |
| Friar Gate Property Investments Ltd | Real estate | 2024 |
| Friargate Capital Limited | Real estate | 2025 |
| Friargate Finance Ltd | Administrative & support | 2017 |
| Friarsfield Management Company Limited | Real estate | 2000 |
| Fried Chicken Company Limited | Hospitality | 2019 |
| Friend Zone Ltd | Transport & logistics | 2024 |
| Friendly Care Services Ltd | Health & social care | 2024 |
| Friendly Space Properties LLP | | 2023 |
| Friends Epos Ltd | Information & communication | 2026 |
| Friends Private Day Nursery Limited | Education | 1998 |
| Friendship Circle (Derby) Limited | Hospitality | 2022 |
| Frimley Square Management Company Limited | Households | 2025 |
| FRM Pilates Studio Ltd | Arts & recreation | 2025 |
| Frog & Bear Insulation Services Ltd | Construction | 2022 |
| Frogspark Ltd | Information & communication | 2012 |
| From Within Aesthetics Limited | Health & social care | 2025 |
| Front Door Theatre Ltd | Arts & recreation | 2021 |
| Front Edge Property Ltd | Real estate | 2018 |
| Front Property Limited | Real estate | 2024 |
| Frontair.Ai Limited | Information & communication | 2025 |
| Frontline Aggregates Limited | Construction | 2025 |
| Froog Limited | Wholesale & retail | 2021 |
| Fruitbat Property Ltd | Real estate | 2026 |
| Fryday Chippy Derby Ltd | Hospitality | 2025 |
| Fryers Garage Limited | Wholesale & retail | 2015 |
| FS Building & Property Limited | Construction | 2016 |
| FS Living Group Ltd | Financial services | 2024 |
| FS Living Ltd | Real estate | 2024 |
| Fs&H Limited | Real estate | 2021 |
| FSG Properties Ltd | Real estate | 2017 |
| FT FIX Ltd | Manufacturing | 2016 |
| FTC Tiling and Refurbishment Limited | Construction | 2013 |
| FTT (UK) Limited | Manufacturing | 2013 |
| FU Group Limited | Financial services | 2025 |
| FU Inspire Ltd | Construction | 2025 |
| Fubar PUB Company Limited | Financial services | 2013 |
| Fuchsia (Eco) Ltd | Agriculture & fishing | 2026 |
| Fuelled by Failure Ltd | Wholesale & retail | 2019 |
| Fulcrum Property Ltd | Real estate | 2015 |
| Fulinmendaole Limited | Hospitality | 2023 |
| Full House Services Ltd | Construction | 2021 |
| Fullbrook House Limited | Professional & scientific | 2013 |