| Elliot Rhodes Ltd | Wholesale & retail | 2003 |
| Ellsmont Advisory Limited | Professional & scientific | 2025 |
| Elmes Tucker Limited | Health & social care | 2025 |
| Elsi (SW) Ltd | Health & social care | 2020 |
| Elsie’O in Colour Limited | Manufacturing | 2024 |
| Elza & AA Ltd | Wholesale & retail | 2026 |
| Emanate Limited | Information & communication | 1997 |
| Embedded Elements Ltd | Information & communication | 2018 |
| EML Timber Constructions Ltd | Construction | 2022 |
| Emma's Harmonious Homes Ltd | Administrative & support | 2025 |
| Empire Minds Ltd | Information & communication | 2022 |
| Empowered Finance Limited | Professional & scientific | 2019 |
| Engwise Limited | Professional & scientific | 2019 |
| Enrgise Ltd | Construction | 2014 |
| Envigor Energy Ltd | Energy | 2026 |
| Epoque Custodian Services Limited | Administrative & support | 2024 |
| Erinda IP Ltd | Professional & scientific | 2019 |
| Estate Renovations Ltd | Manufacturing | 2021 |
| ET Centre Ltd | Wholesale & retail | 2026 |
| Ethivus Ltd | Wholesale & retail | 2025 |
| EU Investments Limited | Administrative & support | 2000 |
| Ever Clean Property Services Ltd | Administrative & support | 2026 |
| Evergreen Property & Estates Management Co Ltd | Real estate | 2025 |
| Eversfield House Limited | Real estate | 2017 |
| Excel Opticians Ltd | Wholesale & retail | 2026 |
| Executive Shoe Repairs (Trowbridge) Ltd | Other services | 2019 |
| Exit Stage Left Limited | Professional & scientific | 2014 |
| Exodus Property Solutions Ltd | Real estate | 2023 |
| EXPEDITION22 Limited | Arts & recreation | 2026 |
| Explore Catering Limited | Hospitality | 2014 |
| Exworks Group Ltd | Professional & scientific | 2025 |
| F W Catering Ltd | Hospitality | 2012 |
| F&W Management Company Limited | Administrative & support | 2017 |
| F.R. Monkhouse Limited | Wholesale & retail | 1938 |
| Fabax Ltd | Wholesale & retail | 2025 |
| Faber Engineering Ltd | Administrative & support | 2019 |
| Fabric Magic Limited | Wholesale & retail | 2011 |
| Faded Hair Studio Limited | Wholesale & retail | 2014 |
| Fair Leisurely Fields Limited | Hospitality | 2026 |
| Falkon Properties Ltd | Households | 2024 |
| Fallen Furniture Limited | Manufacturing | 2013 |
| Farceur Productions Ltd | Arts & recreation | 2007 |
| Farify Ltd | Professional & scientific | 2025 |
| Farion Associates Limited | Construction | 2011 |
| Farmer Giles Holdings Limited | Financial services | 2002 |
| Farmer Giles Limited | Construction | 1961 |
| Farr OUT Consulting Ltd | Information & communication | 2019 |
| Farrell Property Sales Ltd | Real estate | 2023 |
| Fearfree Charity Limited | Health & social care | 1997 |
| FEC Developments Ltd | Construction | 2021 |
| Fencebrackets Limited | Wholesale & retail | 2008 |
| Fernando's Ltd | Hospitality | 2025 |
| Fiba Healthcare Limited | Health & social care | 2016 |
| Fibreglass Applications Ltd | Construction | 2025 |
| Fidelia Care Limited | Health & social care | 2013 |
| Fidelia Healthcare Ltd. | Health & social care | 2014 |
| Field Exhibitions Limited | Manufacturing | 2025 |
| Filtratech Limited | Mining & quarrying | 2014 |
| Find Villa Ltd | Real estate | 2022 |
| Firat Trade Ltd | Wholesale & retail | 2025 |
| Fire Hammer Ltd | Manufacturing | 2025 |
| Fire Link Limited | Administrative & support | 1998 |
| First Organic Ltd | Wholesale & retail | 2021 |
| Fisher J Limited | Wholesale & retail | 2024 |
| Fit House Supplements Ltd | Wholesale & retail | 2024 |
| Fitter Business Limited | Information & communication | 2018 |
| Fitzwilliam Investments Peterborough Limited | Real estate | 1984 |
| Five Point X Consulting Ltd | Information & communication | 2019 |
| Five Star Nail Trowbridge Limited | Other services | 2023 |
| Five Zeros Supercars Limited | Transport & logistics | 2021 |
| Fizfittherapy Limited | Health & social care | 2018 |
| Flavours of Life Catering Ltd | Extraterritorial | 2018 |
| Flight Productions Ltd | Information & communication | 2009 |
| Floor Veat Ltd | Construction | 2026 |
| Florentin Georgian Basasteanu Ltd | Health & social care | 2021 |
| Florentinaimtransport Ltd | Transport & logistics | 2024 |
| FM 2000 Property Limited | Real estate | 2018 |
| Fmguide Ltd | Professional & scientific | 2018 |
| Focus Comms - Phillips Ltd | Construction | 2025 |
| Food Channel Ltd | Hospitality | 2022 |
| Food Machinery 2000 (Europe) Limited | Wholesale & retail | 1998 |
| Food Machinery 2000 Limited | Wholesale & retail | 1993 |
| FOODAGE4THOUGHT Community Interest Company | Education | 2022 |
| Foodpura Ltd | Wholesale & retail | 2023 |
| Football FUN Factory (Community 087) Limited | Arts & recreation | 2023 |
| Ford Plumbing and Heating South West Limited | Construction | 2015 |
| Fordington CSB Limited | Construction | 2026 |
| Forensic Rescue Limited | Manufacturing | 2001 |
| Forrester Sports Limited | Wholesale & retail | 2003 |
| Fortis Fenton Road Limited | Construction | 2026 |
| FOX Software Ltd | Information & communication | 2016 |
| Framlingham Custom Build Ltd | Construction | 2024 |
| Francaster House Ltd | Professional & scientific | 2011 |
| Frank & Moon Limited | Administrative & support | 2019 |
| Frazer NYE Carpentry and Building Ltd | Construction | 2021 |
| FRC Consult Ltd | Professional & scientific | 2012 |
| Fredince Ltd | Other services | 2017 |
| Freeman Property Capital Holdings Ltd | Households | 2025 |
| Friday Brain Building Limited | Education | 2026 |
| Frome Area Building Supplies Limited | Wholesale & retail | 2018 |