| Excel Security Systems London Ltd | Construction | 2014 |
| Excelaroo Movement Training Limited | Other services | 2026 |
| Excellence Games Ltd | Wholesale & retail | 2020 |
| Excellence Investment Services Ltd | Real estate | 2018 |
| Excellent UK Trading Limited | Wholesale & retail | 2021 |
| Excellent Youths Tech Eduation Ltd | Information & communication | 2026 |
| Excellentsprinter Ltd | Arts & recreation | 2025 |
| Excelsior Finance Limited | Professional & scientific | 2015 |
| Execalliance Ltd | Professional & scientific | 2025 |
| Exelium Limited | Professional & scientific | 2017 |
| Exempla Global Limited | Professional & scientific | 2010 |
| Exemplary Events Ltd | Administrative & support | 2025 |
| Exim Advisory Limited | Professional & scientific | 2013 |
| Exotic Property's Ltd | Real estate | 2025 |
| Exotic Worldwide Limited | Financial services | 2013 |
| Expert German Kitchens Ltd. | Construction | 2021 |
| Experts Cleaning Ltd | Administrative & support | 2019 |
| Expertss Cleaning Limited | Administrative & support | 2024 |
| Explore 2050 Manufacturing Limited | Manufacturing | 2000 |
| Explore Capital Limited | Professional & scientific | 2004 |
| Explore Investments Limited | Construction | 2005 |
| Explore Transport Limited | Transport & logistics | 2015 |
| Explosive Solutions Group Limited | Professional & scientific | 2005 |
| Exquisite Nail and Beauty Ltd | Other services | 2014 |
| Exterior Property Solutions Ltd | Construction | 2026 |
| Extra Dimension Technology Corporation Limited | Information & communication | 2024 |
| Extra Mile Mobile Tyres Ltd | Wholesale & retail | 2022 |
| Extra Mile Nationwide Ltd | Wholesale & retail | 2025 |
| Extron Electronics UK Limited | Professional & scientific | 2005 |
| EYE Academy Ltd | Education | 2023 |
| EYE Knight Moulding Interiors Ltd | Construction | 2013 |
| Eyelashamore Ltd | Wholesale & retail | 2019 |
| Eymen Fish Ltd | Hospitality | 2025 |
| Eynsford Village Fireworks CIC | Hospitality | 2025 |
| Eynsford Village Hall Limited | Real estate | 2024 |
| Ezact Site Services Ltd | Construction | 2015 |
| Ezeko Limited | Construction | 2017 |
| EZL Lawyers Ltd | Professional & scientific | 2025 |
| Ezobas Limited | Real estate | 2024 |
| Ezra Ventures Ltd | Construction | 2021 |
| F and S Ductwork Limited | Construction | 2023 |
| F Dixon Accountancy Ltd | Professional & scientific | 2016 |
| F Horvath Limited | Professional & scientific | 2008 |
| F&D Contractors Limited | Construction | 2025 |
| F&F Carpentry and Building Ltd | Construction | 2026 |
| F&O Barbers Ltd | Other services | 2022 |
| F.S. Texcel Limited | Administrative & support | 1976 |
| F.Searle Builders Limited | Construction | 2010 |
| F2F Transaction & Risk Advisory Limited | Information & communication | 2014 |
| F5 Agile Consulting Ltd. | Other services | 2016 |
| F5 Training Ltd | Education | 2022 |
| Faame Ltd | Wholesale & retail | 2026 |
| FAB Cleaning Management Limited | Administrative & support | 2008 |
| Fabbro Construction Ltd | Professional & scientific | 2023 |
| Fabflair Kitchen Ltd | Hospitality | 2026 |
| Fabi Consultancy Ltd | Information & communication | 2025 |
| Fable Workshop Ltd | Arts & recreation | 2019 |
| Fabod Entertainment Limited | Administrative & support | 2025 |
| Facilities Technical Management Ltd | Manufacturing | 2011 |
| Fadama Limited | Professional & scientific | 2025 |
| Fadd Limited | Other services | 2018 |
| Fair Oak Land Limited | Real estate | 2001 |
| Fairtrade Energy Ltd | Professional & scientific | 2011 |
| Fairway Produce Limited | Wholesale & retail | 2015 |
| Fairwinds Access Limited | Real estate | 2023 |
| Faith Preachers Ministries Int'L | Other services | 2014 |
| Faith Property Development Ltd | Real estate | 2023 |
| Faithfulness Consulting Ltd | Information & communication | 2018 |
| Faithwise Ltd | Professional & scientific | 2022 |
| Faith’Senterprises Ltd | Wholesale & retail | 2025 |
| Fakunpam Limited | Real estate | 2023 |
| Falabella Petite Limited | Wholesale & retail | 2024 |
| Falvey Ltd | Wholesale & retail | 2024 |
| Famfom Consulting Ltd | Professional & scientific | 2017 |
| Fantasy Nails Ltd | Other services | 2002 |
| Faoduf Integrated Ltd | Transport & logistics | 2025 |
| FAR Horizon Ltd | Health & social care | 2024 |
| Fara Care Services Limited | Administrative & support | 2023 |
| Farbritain Ltd | Administrative & support | 2016 |
| Farham Limited | Administrative & support | 2015 |
| Farina Heating & Ventilation Ltd | Construction | 2024 |
| Farishah Ltd | Health & social care | 2025 |
| Farkeder Ltd | Hospitality | 2026 |
| Farningham Financial Consultants Limited | Financial services | 2013 |
| Farningham Hill Road Limited | Households | 2016 |
| Farningham Takeaway Ltd | Hospitality | 2025 |
| Farooq Mart Limited | Wholesale & retail | 2024 |
| Farrells Glazing & Bifold Repairs Ltd | Construction | 2026 |
| Farrells Glazing Installations Ltd | Construction | 2026 |
| Farrelly & Co. Accounts Limited | Professional & scientific | 1995 |
| Farrelly & Co. Limited | Professional & scientific | 1998 |
| Farriers Green Developments Ltd | Construction | 2023 |
| Farriers Green Management Company (Kent) Limited | Households | 2024 |
| Farrihy Properties Ltd | Real estate | 2020 |
| Farrington Wentworth Ltd | Professional & scientific | 2021 |
| Fasemah Practice Accountants Ltd | Professional & scientific | 2020 |
| Fashion Choice Limited | Wholesale & retail | 2015 |
| Fashion Hub London Limited | Administrative & support | 2018 |
| FASHSQUARED2 Limited | Information & communication | 2019 |
| Fast Delivery Ltd | Transport & logistics | 2024 |