| Event World Consultants Limited | Administrative & support | 2011 |
| Eventure Security & Logistics Ltd | Other services | 2011 |
| Evenwood Town Juniors FC Ltd | Arts & recreation | 2023 |
| Evergreen Commerce 4U Limited | Wholesale & retail | 2026 |
| Evergreen Grounds Limited | Administrative & support | 2024 |
| Evergreen Pallet Holdings Ltd | Financial services | 2024 |
| Evergreen Pallet Solutions (UK) Limited | Manufacturing | 1996 |
| Everwood Carpentry and Joinery Ltd | Construction | 2016 |
| Everyan Ltd | Administrative & support | 2014 |
| Evolution Modern Grooming Limited | Other services | 2025 |
| Evolux Limited | Construction | 2016 |
| Evolve Group Ltd | Information & communication | 2011 |
| Evolve Residential Limited | Health & social care | 2020 |
| Evolve Systems Limited | Construction | 2012 |
| Evolve Youth Inclusion Limited | Arts & recreation | 2011 |
| Evroda Ltd | Information & communication | 2017 |
| Evry Building Solutions Limited | Construction | 2025 |
| Excalibur Catering Equipment Limited | Other services | 2019 |
| Excel Joinery Limited | Administrative & support | 2020 |
| Excellere Group Limited | Transport & logistics | 2025 |
| Excellere Plumbing & Heating Limited | Construction | 2025 |
| Excellereuk Limited | Transport & logistics | 2022 |
| Exelby Retail Ltd | Hospitality | 2024 |
| Exercise in Style Ltd | Real estate | 2024 |
| Exis (Group) Limited | Professional & scientific | 2014 |
| Exis Holdings Limited | Professional & scientific | 2005 |
| Exposant Enterprises Ltd | Wholesale & retail | 2025 |
| Express Accounts Online Ltd | Professional & scientific | 2010 |
| Express Buy Limited | Wholesale & retail | 2022 |
| Exstream Media Ltd | Information & communication | 2022 |
| Exup Properties Ltd | Real estate | 2020 |
| Eyasd Lylve Ltd | Wholesale & retail | 2025 |
| Eyzy Limited | Health & social care | 2025 |
| F & E Trade Services Limited | Construction | 2025 |
| F&B Garden Services Ltd | Administrative & support | 2026 |
| F&C Site Services Ltd | Administrative & support | 2023 |
| F.W. Dobson & Co. (Farms) Limited | Agriculture & fishing | 1976 |
| F.W.Dobson & Co.,Limited | Agriculture & fishing | 1921 |
| Faba (NE) Limited | Real estate | 2019 |
| Fabfans+ Ltd | Construction | 2025 |
| Fabric Mouse Limited | Wholesale & retail | 2026 |
| Facility SIX Ltd | Construction | 2015 |
| Facilytics Ltd | Information & communication | 2025 |
| Factorial Properties Ltd | Real estate | 2024 |
| Factorial Solutions Ltd | Construction | 2025 |
| Factual Enterprises Ltd | Real estate | 2021 |
| Facultasys Ltd | Information & communication | 2011 |
| FAD Property Limited | Real estate | 2023 |
| Faelen Ltd | Wholesale & retail | 2026 |
| Fair Auto Trader Limited | Transport & logistics | 2015 |
| Fair Way Exchange Limited | Wholesale & retail | 2025 |
| Faireng Ltd | Professional & scientific | 2017 |
| Fairfield Elms Limited | Real estate | 2024 |
| Fairfield Park (Murton) Management Company Limited | Households | 2005 |
| Fairy Bikers Ltd | Wholesale & retail | 2021 |
| Fairy Gift Ltd | Wholesale & retail | 2019 |
| Falafel Fella Ltd | Hospitality | 2020 |
| Falafel Munch Ltd | Administrative & support | 2016 |
| Falcon Rooflines Limited | Construction | 2025 |
| Falcon Rose Ltd | Arts & recreation | 2023 |
| Famco Ltd | Transport & logistics | 2026 |
| Family Fayre Limited | Wholesale & retail | 1985 |
| Farm and Field Kennels Limited | Agriculture & fishing | 2021 |
| Farm Fresh Fungi Ltd | Agriculture & fishing | 2023 |
| Farrow Homes & Holiday Parks Ltd | Hospitality | 2025 |
| Fashion Import Limited | Other services | 2020 |
| Fashion Warehouse Limited | Wholesale & retail | 2018 |
| Fast Bike Motorcycles Ltd | Wholesale & retail | 2017 |
| Fast Bike Servicing LLP | | 2021 |
| Fast Freight Haulage Ltd | Transport & logistics | 2013 |
| Fastrans Ltd | Transport & logistics | 2019 |
| Faverdale Fleet Services Limited | Real estate | 2020 |
| Faverdale Hall Management Limited | Households | 2003 |
| Faverdale Recycling Centre Limited | Real estate | 1997 |
| Faye Rose Properties Limited | Real estate | 2023 |
| Faysie's Pawfection Ltd | Other services | 2024 |
| Fazz&Razz Ltd | Wholesale & retail | 2025 |
| FC Joinery Ltd | Construction | 2024 |
| FDG Services Limited | Construction | 2025 |
| FDR Company NE Ltd | Hospitality | 2019 |
| FE Robinson Psychotherapy Ltd | Health & social care | 2023 |
| Feelgood Factor (UK) Limited | Information & communication | 2003 |
| Felix Components Limited | Wholesale & retail | 2023 |
| Fell & Press Limited | Hospitality | 2026 |
| Fells Safety & Risk Limited | Professional & scientific | 2016 |
| Fenland Timberwood Ltd | Wholesale & retail | 2015 |
| Ferguson Safety Services Limited | Professional & scientific | 2011 |
| FF3 Limited | Construction | 2019 |
| FFR Solutions Limited | Information & communication | 2017 |
| Ffresh Creative Limited | Professional & scientific | 2013 |
| Fggb Ltd | Financial services | 2014 |
| Fiducia Estates Limited | Real estate | 2026 |
| Figaroz Barbers Ltd | Other services | 2024 |
| Fight&Fitness Limited | Arts & recreation | 2022 |
| Fileswap Global Ltd | Information & communication | 2019 |
| Filter Free Psychology Limited | Health & social care | 2025 |
| Finavia Ltd | Wholesale & retail | 2021 |
| Finesse Foreva Investments Ltd | Professional & scientific | 2019 |
| Finesse Foreva Records Ltd | Information & communication | 2018 |
| Fintry Estates (Darlington) Limited | Construction | 2016 |