| Engineering Technical Development Limited | Manufacturing | 2010 |
| Enhancing Patient Care Limited | Financial services | 2023 |
| Enhancing Patient Care UK Midco 1 Limited | Financial services | 2023 |
| Enhancing Patient Care UK Midco 2 Limited | Financial services | 2023 |
| Environmental Strategies Limited | Professional & scientific | 1998 |
| Equilibrium Spaces Limited | Health & social care | 2024 |
| Erimus Media Limited | Professional & scientific | 2014 |
| Ernest and Gladys Care Ltd | Health & social care | 2023 |
| Ernest Studio Ltd | Professional & scientific | 2021 |
| Erudite Optex Limited | Wholesale & retail | 2019 |
| ESJ Site Services Ltd | Construction | 2019 |
| Esra Medics Limited | Health & social care | 2024 |
| Essential Cyber Governance Ltd | Information & communication | 2025 |
| Eternalcandle Limited | Hospitality | 2003 |
| Eurohomeuk Limited | Wholesale & retail | 2023 |
| EV8 Ltd | Professional & scientific | 2006 |
| Evergrip Limited | Manufacturing | 2001 |
| Everheat Ltd | Construction | 2024 |
| Everyday Bookkeeping Services Ltd | Professional & scientific | 2020 |
| Everyday Enable CIC | Health & social care | 2020 |
| Everything Autism Ltd | Health & social care | 2021 |
| Evolve Engineering Services (Leeds) Limited | Manufacturing | 2013 |
| Evolving Property Solutions Ltd | Real estate | 2024 |
| Exactus MEP Ltd | Professional & scientific | 2025 |
| Excel Health & Fitness Limited | Arts & recreation | 2010 |
| Excel Timber Products Ltd | Wholesale & retail | 2009 |
| Extremis Production Limited | Information & communication | 2013 |
| Ezelali Ltd | Hospitality | 2022 |
| F & Foods Limited | Hospitality | 2022 |
| F H Marine Limited | Manufacturing | 2007 |
| F K Commercial Sales Limited | Wholesale & retail | 2018 |
| F K Investments Ltd | Real estate | 2026 |
| F&H Electrical Contractors Ltd | Construction | 2019 |
| Fabtec Holdings Ltd | Financial services | 2024 |
| Faded Barbers Selby Ltd | Other services | 2024 |
| Fairfax Plant Hire Limited | Administrative & support | 1985 |
| Fairways Logistics Ltd | Transport & logistics | 2024 |
| Fairy Dust Cleaning Ltd | Administrative & support | 2018 |
| Falkon Darts Ltd | Administrative & support | 2019 |
| Family Dies Limited | Information & communication | 2009 |
| Family Pantry Ltd | Wholesale & retail | 2023 |
| FAW Engineering Limited | Construction | 2014 |
| Feathers (Selby) Limited | Hospitality | 2006 |
| Featherstone Design Limited | Professional & scientific | 2014 |
| Femme Country Magazine Ltd | Manufacturing | 2025 |
| Fern Cottage Woodcraft Ltd | Manufacturing | 2020 |
| Field Ingenuity Ltd | Agriculture & fishing | 2024 |
| Final Wishes Cremation Care Limited | Other services | 2024 |
| Finhet Holdings Ltd | Real estate | 2025 |
| Finlay Healthcare Ltd | Professional & scientific | 2021 |
| Fire & Evacuation Assets Limited | Financial services | 2024 |
| Firgrove Laboratory Limited | Manufacturing | 2005 |
| First 2 Help YOU Limited | Administrative & support | 2017 |
| First for ALL Solutions Limited | Wholesale & retail | 2013 |
| Fisher Autos Limited | Wholesale & retail | 2007 |
| Fisher Property Limited | Construction | 2018 |
| Five Dots Ltd | Information & communication | 2023 |
| FL Film (UK) Limited | Information & communication | 2022 |
| FL Film Productions Limited | Information & communication | 2017 |
| Flamino Pizzeria & Grill Ltd | Hospitality | 2025 |
| Flaxley Road Management Company Limited | Households | 2006 |
| Flaxley Road News Ltd | Wholesale & retail | 2025 |
| Fleetready Ltd | Construction | 2026 |
| Flintons Landscape Gardening Limited | Administrative & support | 2022 |
| Flip Digital Marketing Ltd | Information & communication | 2024 |
| Flo-Electrical Limited | Construction | 2018 |
| Flobel Mortgages Ltd | Financial services | 2023 |
| Fluidpay Ltd | Professional & scientific | 2022 |
| FLY Green Exports PVT Ltd | Wholesale & retail | 2026 |
| Focusx Ltd | Wholesale & retail | 2024 |
| Fold My Way Ltd | Wholesale & retail | 2024 |
| Forder IT Ltd | Administrative & support | 2022 |
| Forensic Outlook Limited | Professional & scientific | 2020 |
| Forest Sprout Ltd | Wholesale & retail | 2026 |
| Forklift Truck Training Solutions Ltd | Education | 2019 |
| Fortuna Engineering Solutions Limited | Manufacturing | 2025 |
| Fostec Systems Limited | Administrative & support | 2019 |
| Fourteen Grey Ltd | Wholesale & retail | 2018 |
| FOX Lane Stores Limited | Wholesale & retail | 2007 |
| FOX Transport (Selby) Ltd | Transport & logistics | 2010 |
| Fractiotech Ltd | Information & communication | 2025 |
| Fred J.Wright Limited | Real estate | 1946 |
| Fredgehog Ltd | Wholesale & retail | 2017 |
| Freeman Brown Solicitors Limited | Professional & scientific | 2013 |
| Fresh Medical Aesthetics Ltd | Other services | 2022 |
| Friarwood Tree & Groundcare Ltd | Agriculture & fishing | 2025 |
| Fs&S Ltd | Real estate | 2024 |
| FTG Construction Ltd | Construction | 2025 |
| Fungi Fungi Ltd | Agriculture & fishing | 2025 |
| Funlittlegames Ltd | Information & communication | 2014 |
| Furniture World (Yorkshire) Ltd | Wholesale & retail | 2020 |
| Further Instructions Ltd | Information & communication | 2011 |
| Futurepack CIC | Professional & scientific | 2019 |
| G P Jackson Limited | Financial services | 2007 |
| G Point 20 Ltd | Wholesale & retail | 2022 |
| G.C. Cooper Accountancy Ltd | Professional & scientific | 2004 |
| GA Liddle & SON Limited | Agriculture & fishing | 2010 |
| Gabel Ltd | Real estate | 2022 |
| Galactis Limited | Professional & scientific | 2025 |
| Gallifreyblue Limited | Professional & scientific | 2016 |