| EP Engineering Services Ltd | Professional & scientific | 2023 |
| Ermar Foods Ltd | Hospitality | 2024 |
| Ervine Long Pathology Ltd | Health & social care | 2024 |
| ESD Plant Training Ltd | Administrative & support | 2017 |
| Eshopping Limited | Wholesale & retail | 2013 |
| Esskays Ltd | Other services | 2008 |
| Estate Management 18 Limited | Households | 1995 |
| Europa Moda Ltd | Other services | 2025 |
| Everyone in Health CIC | Education | 2019 |
| Everything BUT the Product Limited | Professional & scientific | 2009 |
| Evolve Beyond Ltd | Professional & scientific | 2022 |
| Evolve Employment Ltd | Administrative & support | 2012 |
| Exchange Street Practice Ltd | Health & social care | 2011 |
| EYJ Fire Door Installation & Maintenance Limited | Construction | 2023 |
| EYS Structural & Agricultural Fabrication Ltd | Manufacturing | 2025 |
| F T I R Support Limited | Manufacturing | 2014 |
| F&C Marine Ltd | Other services | 2017 |
| F8 Services Ltd | Administrative & support | 2020 |
| FAB 23 Ltd | Administrative & support | 2023 |
| Fabtraining Ltd | Education | 2020 |
| Fabulush Limited | Other services | 2022 |
| Familytime Leisure Ltd | Wholesale & retail | 2025 |
| Fare Architecture Ltd | Professional & scientific | 2024 |
| Farley Buildings Ltd | Households | 2022 |
| Farm Research Agronomy Limited | Agriculture & fishing | 2026 |
| Farm Tech (UK) Ltd | Information & communication | 2020 |
| Farthing's Vineyard Limited | Manufacturing | 2022 |
| Fashion Friendly Limited | Extraterritorial | 2002 |
| FCF Potatoes Limited | Agriculture & fishing | 2011 |
| Featherston Ltd | Construction | 1987 |
| FEL Engineering Ltd | Administrative & support | 2024 |
| Fenrhus Ltd | Wholesale & retail | 2024 |
| Fenton's Accountancy Services Ltd | Professional & scientific | 2021 |
| FFJ Properties Limited | Real estate | 2024 |
| Fibre Partner Limited | Information & communication | 2021 |
| Fidus Analytics Limited | Information & communication | 2025 |
| Filey Brigg Angling Society Limited | Arts & recreation | 2011 |
| Financial Health Solutions Ltd | Professional & scientific | 2011 |
| Finesse Plumbing & Heating Engineers Limited | Construction | 2011 |
| Fire Door Assessment Ltd | Professional & scientific | 2022 |
| Firefly FM Ltd | Professional & scientific | 2018 |
| Fish Cake Aquatics Ltd | Agriculture & fishing | 2026 |
| Fisher Abattoir Systems Ltd | Professional & scientific | 2024 |
| Fisher Modular Construction (UK) Limited | Administrative & support | 2007 |
| FIX & Wire Limited | Construction | 2025 |
| Fizziwig Ltd | Hospitality | 2025 |
| Flair Office Supplies Limited | Wholesale & retail | 2003 |
| Fletcher's Developments (Yorkshire) Limited | Real estate | 2010 |
| Fletcher's Storage Limited | Administrative & support | 2017 |
| Flightsight Ltd | Information & communication | 2018 |
| Flintcross Limited | Administrative & support | 1994 |
| Flippin' Great Catering Ltd | Hospitality | 2024 |
| Flix Golf Ltd | Wholesale & retail | 2008 |
| Florida Adventure Limited | Arts & recreation | 2017 |
| Fluid Power Design Solutions Limited | Professional & scientific | 2009 |
| FMI Mechanical Engineering Ltd | Professional & scientific | 2024 |
| Focus City Car Breakers Ltd | Wholesale & retail | 2017 |
| Foley Property Developments Limited | Real estate | 2016 |
| Foreman Property Holdings Limited | Financial services | 2022 |
| Forepower Lincoln (250) Limited | Financial services | 2022 |
| Forewood Biomass Limited | Wholesale & retail | 2023 |
| Forewood Renewables Limited | Construction | 2021 |
| Forget ME NOT Gifting Ltd | Wholesale & retail | 2025 |
| Forgotten Sons Apparel Limited | Wholesale & retail | 2018 |
| Fosse Hill Caravan Park Limited | Arts & recreation | 2004 |
| Foster Farms Sporting Ltd | Arts & recreation | 2025 |
| Four Reasons Aesthetics Limited | Other services | 2025 |
| Foxton Contractors Limited | Administrative & support | 2015 |
| Foxton Farmers Limited | Agriculture & fishing | 1953 |
| Freshtec (UK) Limited | Administrative & support | 2013 |
| Fridaythorpe PIG Producers Limited | Agriculture & fishing | 1976 |
| Frontier Networks Limited | Information & communication | 2009 |
| Frost Consultants Limited | Information & communication | 2014 |
| Froth-Fit-Colon Limited | Health & social care | 2024 |
| FTL Touring Limited | Administrative & support | 2023 |
| Fuel & Fodder Ltd | Hospitality | 2024 |
| Full Fathom 5 Limited | Professional & scientific | 2018 |
| Full Measure Limited | Administrative & support | 2017 |
| Full Measure Property Limited | Administrative & support | 2016 |
| Fulya Koysuren Legal Consultancy Ltd | Professional & scientific | 2022 |
| Funeral Account Recovery Limited | Other services | 2013 |
| G & J a Ledger T/A Cafe V Ltd | Hospitality | 2017 |
| G Boyes Limited | Wholesale & retail | 2018 |
| G Brigham Builders Limited | Construction | 2013 |
| G Lawson LLP | | 2024 |
| G Lawson Trading Ltd | Information & communication | 2016 |
| G P Atkin Construction Limited | Construction | 1997 |
| G P Atkin Homes Limited | Construction | 2007 |
| G-Krib Ltd | Professional & scientific | 2025 |
| G. a. Hebden Limited | Construction | 2004 |
| G. Williamson Garages Limited | Wholesale & retail | 2003 |
| G.O. Morley & Company Limited | Agriculture & fishing | 1956 |
| G.P. Atkin Limited | Construction | 1997 |
| G.P. Moore Ltd | Financial services | 2023 |
| G.Slinger Homes Ltd | Construction | 2003 |
| Gadesign Ltd | Professional & scientific | 2026 |
| Galbraith Civil Engineering Limited | Construction | 2013 |
| Galtopia Limited | Manufacturing | 2015 |
| Galtres Developments Limited | Construction | 2017 |
| Garden Cottage Dwap Limited | Wholesale & retail | 2023 |