| Forward Focus Solutions Limited | Professional & scientific | 2023 |
| FOS Catering Ltd | Hospitality | 2025 |
| Fossil Aesthetics Ltd | Wholesale & retail | 2024 |
| Fossil Beauty Ltd | Other services | 2023 |
| Fossil Property and Consultancy Ltd | Real estate | 2024 |
| Fossil Skin Clincs Ltd | Manufacturing | 2024 |
| Fossil Trading Ltd | Professional & scientific | 2024 |
| Found & Sold Ltd | Wholesale & retail | 2026 |
| Foundation Estates Limited | Real estate | 2019 |
| Fountain of Life Ministries | Other services | 2002 |
| Four Layer Ltd | Hospitality | 2020 |
| Foyek Consults Limited | Professional & scientific | 2025 |
| FP Bookkeeping and Outsourcing Ltd | Professional & scientific | 2025 |
| Fractionnine Limited | Information & communication | 2025 |
| Fraholli Electrical and Services Limited | Construction | 2021 |
| Fraisecreative Limited | Administrative & support | 2010 |
| Fralin Properties Ltd | Real estate | 2026 |
| Frank & Elly Limited | Financial services | 2024 |
| Frank & Elly Property Investments Ltd | Real estate | 2024 |
| Frank Diamond (UK) Ltd | Professional & scientific | 2012 |
| Frank Plant Ltd | Administrative & support | 2021 |
| Frankbest Construction Ltd | Construction | 2023 |
| Franklin Global Group Ltd | Financial services | 2026 |
| Franklin Placement Ltd | Administrative & support | 2022 |
| Fraser Construction Designs Limited | Construction | 2021 |
| Frazier AVI Srevices Ltd | Construction | 2025 |
| Fred Consultancy Limited | Real estate | 2017 |
| Fred Michael & Co Ltd | Professional & scientific | 2008 |
| Fredericks UK London Ltd | Information & communication | 2018 |
| Fredog Limited | Professional & scientific | 2015 |
| Freivan Support Services Ltd | Other services | 2016 |
| Fremapre Services Limited | Administrative & support | 2018 |
| Frenchies Ltd | Wholesale & retail | 2014 |
| Fresh & Tasty Foods (UK) Ltd | Wholesale & retail | 2019 |
| Fresh Food and VEG Limited | Wholesale & retail | 2025 |
| Fresh Import Trade Ltd | Wholesale & retail | 2024 |
| Fresh Linen Hire Ltd | Other services | 2026 |
| Fresh SET London Ltd | Other services | 2023 |
| Freshgarden Crew Ltd | Construction | 2026 |
| Freshwater Cafe Ltd | Hospitality | 2018 |
| Freshways Laundrette and DRY Cleaners Ltd | Other services | 2026 |
| Frittons Limited | Real estate | 2017 |
| Frobel Independent Services Limited | Education | 2020 |
| Frost Denture Clinics Ltd | Health & social care | 2026 |
| Fruit Truck Ltd | Wholesale & retail | 2025 |
| FS Stayhaus Ltd | Real estate | 2026 |
| FTI Consultants Limited | Professional & scientific | 2014 |
| Ftrasheed Consulting Ltd | Professional & scientific | 2015 |
| Fulcrum Site Services Ltd | Water & waste | 2018 |
| Fulcrum Site Solutions Ltd | Water & waste | 2024 |
| Fulcrum Support Services Limited | Administrative & support | 2024 |
| Fummex Limited | Administrative & support | 2021 |
| FUN Town Day Nursery Limited | Education | 2025 |
| Fushion Ltd | Hospitality | 2025 |
| Fusion Autos Limited | Wholesale & retail | 2024 |
| Fusion Catering Engineering Limited | Manufacturing | 2025 |
| Fusion Republik Trading Ltd | Wholesale & retail | 2025 |
| Fusionluxe Ltd | Hospitality | 2025 |
| Fusys Ltd | Real estate | 2021 |
| Future AS a Service Ltd | Information & communication | 2018 |
| Future Smart Solutions Ltd | Construction | 2017 |
| FXQ Global Limited | Real estate | 2011 |
| Fyks Retail Limited | Wholesale & retail | 2024 |
| Fyks Trading Limited | Administrative & support | 2018 |
| Fynk Ltd | Wholesale & retail | 2024 |
| FZ Brothers Foods Limited | Transport & logistics | 2026 |
| G & G Plumbing Ltd | Construction | 2019 |
| G & V Financial Services Limited | Professional & scientific | 2006 |
| G 2 Express Ltd | Transport & logistics | 2026 |
| G a Travel Centre Limited | Administrative & support | 2008 |
| G G Gench LLP | | 2016 |
| G J Management Solutions Limited | Construction | 2016 |
| G LT Motors Ltd | Manufacturing | 2014 |
| G Tarmac Building Services Ltd | Construction | 2021 |
| G&F@7SPACES Limited | Real estate | 2025 |
| G&G Accountancy Services Ltd | Professional & scientific | 2011 |
| G&G Potatoes Ltd | Wholesale & retail | 2024 |
| G&H Prop Limited | Real estate | 2023 |
| G&K Shopfronts&Shutters Ltd | Construction | 2018 |
| G&K Tyres Ltd | Wholesale & retail | 2021 |
| G&K Facilities Ltd | Construction | 2023 |
| G&M - General Maintenance Ltd | Construction | 2025 |
| G&R Auto Repairs Ltd | Wholesale & retail | 2019 |
| G&S Building Limited | Construction | 2015 |
| G&Z Accountants Limited | Professional & scientific | 2025 |
| G1 Gadgets Ltd | Wholesale & retail | 2023 |
| G24 Christian Radio Limited | Information & communication | 2025 |
| G2HPROPERTIES Ltd | Hospitality | 2023 |
| GA Transport Services Ltd | Transport & logistics | 2025 |
| GAA Global Ltd | Real estate | 2022 |
| GAD W Ltd | Construction | 2019 |
| Gadaze & Co. Ltd. | Wholesale & retail | 2012 |
| Gadget FIX Solutions Ltd | Wholesale & retail | 2024 |
| Gadget HUT Ltd | Wholesale & retail | 2020 |
| Gadgets Master Ltd | Wholesale & retail | 2021 |
| Gadgetxperts Limited | Other services | 2018 |
| Gadgyfix Ltd | Manufacturing | 2023 |
| Gafu Services Limited | Construction | 2015 |
| Gailen Tech Ltd | Information & communication | 2013 |
| Gailmak Limited | Health & social care | 2018 |