| Donibee Charitable Trust | Other services | 1996 |
| Doubletree Limited | Real estate | 2001 |
| Dreadnought Reborn Limited | Wholesale & retail | 2023 |
| Dreamtime Film Limited | Information & communication | 2007 |
| DSJ Consultants Limited | Professional & scientific | 2022 |
| DTA Pattesting Limited | Manufacturing | 2013 |
| Ducietraining Ltd | Education | 2025 |
| Duddon Hire (Lakeland) Limited | Construction | 2005 |
| Dwill Properties Ltd | Real estate | 2023 |
| Dwjh Limited | Information & communication | 2021 |
| Dynamic Color UK Limited | Wholesale & retail | 2025 |
| Dynamic Welding Services Ltd | Administrative & support | 2013 |
| E-Fish (UK) Limited | Manufacturing | 2009 |
| Echosonics Limited | Manufacturing | 2023 |
| Eden Beauty Rooms Limited | Other services | 2008 |
| EHA Accountancy Limited | Professional & scientific | 2018 |
| EK SDS Limited | Manufacturing | 2015 |
| Eleanor Wood Property Limited | Construction | 2021 |
| Elements Topside and Subsea International Consultancy Limited | Professional & scientific | 2018 |
| Elite Alloys Ltd | Wholesale & retail | 2023 |
| Elite Garage Doors & Repairs Limited | Other services | 2018 |
| Elite Key Property Management Ltd | Real estate | 2025 |
| Elitefone Services Ltd | Wholesale & retail | 2026 |
| Ellesmere Port Eats Limited | Information & communication | 2024 |
| Ellie's Enterprises Limited | Wholesale & retail | 2017 |
| Ellie's Food HUT Ltd | Hospitality | 2021 |
| Emiluc Ltd | Professional & scientific | 2022 |
| Emwoods Medical Ltd | Health & social care | 2025 |
| Enable Subsea Consulting Ltd | Professional & scientific | 2024 |
| Energy Syndicate Limited | Professional & scientific | 2025 |
| EP Ceramic Art Limited | Arts & recreation | 2023 |
| Epic Steps Careers Limited | Administrative & support | 2016 |
| Esthwaite Holidays Limited | Real estate | 1993 |
| Etail Systems Limited | Information & communication | 2008 |
| EVE Grafton Beauty Limited | Other services | 2014 |
| Evergreen Interiors Ltd | Manufacturing | 2022 |
| Excel Electrical (Furness) Limited | Construction | 2010 |
| Explore Escapes Ltd | Administrative & support | 2025 |
| Faction Health and Safety Group Limited | Administrative & support | 2014 |
| Fallowfield Properties Limited | Construction | 2010 |
| Families Matter Counselling and Support Service Limited | Health & social care | 2012 |
| Farmers Arms (Grizedale) Limited | Arts & recreation | 2021 |
| Faye Grafton Beauty Limited | Other services | 2010 |
| Fentons Electrical Audio & Visual Limited | Administrative & support | 2017 |
| Field Barks Limited | Other services | 2021 |
| Final Group Ltd | Wholesale & retail | 2025 |
| Finia Solutions Ltd | Information & communication | 2024 |
| Finnvest Limited | Professional & scientific | 2025 |
| Fisher Brothers 1979 Limited | Real estate | 2008 |
| Fisher Brothers 1994 Limited | Real estate | 2008 |
| Fitzpatrick Technology Limited | Information & communication | 2016 |
| Fizzy Tarte Ltd | Extraterritorial | 2011 |
| Flatcap Web Ltd | Information & communication | 2016 |
| Flintshire Limited | Construction | 2016 |
| Flooks Commissioning Limited | Administrative & support | 2013 |
| Flooks Property Solutions Ltd | Real estate | 2020 |
| Floral&Hardy Ltd | Wholesale & retail | 2019 |
| Florist Window Limited | Wholesale & retail | 2013 |
| Focus the Lens Ltd | Professional & scientific | 2024 |
| Folkestone Eats Ltd | Hospitality | 2021 |
| Fomo Events Limited | Hospitality | 2021 |
| Forage and Foliage Ltd | Wholesale & retail | 2022 |
| Ford Park House Freehold Ltd | Households | 2022 |
| Forge Europa Ltd | Manufacturing | 1994 |
| Fortstead Ltd | Hospitality | 2025 |
| Foxes-Purse Estates Ltd | Real estate | 2017 |
| Foxhowe Management Company Limited(The) | Households | 1982 |
| Fraser Dewar Engineering Limited | Administrative & support | 2003 |
| Fruugo PLC | Financial services | 2021 |
| Fruugo.Com Ltd | Information & communication | 2008 |
| FS Nuclear Limited | Professional & scientific | 2016 |
| FTS Coach Hire Limited | Administrative & support | 2017 |
| Fundli.Ai Ltd | Information & communication | 2022 |
| Furness Autism Expo CIC | Information & communication | 2026 |
| Furness Construction Limited | Construction | 2025 |
| Furness Engine Turning Supplies Ltd | Manufacturing | 2021 |
| Furness Engineering and Technology Limited | Professional & scientific | 1972 |
| Furness Freightways Ltd | Transport & logistics | 2016 |
| Furness Gliding Club Proprietary Limited(The) | Arts & recreation | 1936 |
| Furness Models Ltd | Wholesale & retail | 2022 |
| Furness Outdoor Learning Limited | Education | 2020 |
| Furness Physiofirst Centre Limited | Health & social care | 2016 |
| Furness Property Development Limited | Real estate | 2025 |
| Furness Tradition Ltd | Other services | 2006 |
| Fussells Travel Service Limited | Administrative & support | 2017 |
| Future 25 Limited | Professional & scientific | 2025 |
| Future Drop Ltd | Education | 2006 |
| Future Seeing Limited | Professional & scientific | 2004 |
| G P Mcdermott Limited | Wholesale & retail | 2003 |
| G Robinson Media Services Limited | Professional & scientific | 2025 |
| G&M Media Limited | Information & communication | 2023 |
| GAP Property Ltd | Real estate | 2017 |
| Gary Steel Building & Roofing Limited | Construction | 2008 |
| GAS Network Maintenance Services Limited | Energy | 2022 |
| GAW Transport Consultants Limited | Transport & logistics | 2014 |
| Genki Health CIC | Health & social care | 2024 |
| GH Mechanical Cumbria Limited | Administrative & support | 2014 |
| Ginger Bricks Limited | Households | 2022 |
| GJD Solutions Limited | Administrative & support | 2011 |
| Gleaston Water Mill Limited | Arts & recreation | 2005 |