| Dorset Steel Doors & Aluminium Limited | Manufacturing | 2015 |
| Dorset Tech Ltd | Information & communication | 2023 |
| Doyb Enterprises Ltd | Arts & recreation | 2025 |
| DR Fill Limited | Construction | 2025 |
| Drone Wars UK Ltd | Professional & scientific | 2021 |
| Dropkick Limited | Extraterritorial | 2004 |
| Dsda Property Limited | Real estate | 2020 |
| DSM Electrical Services Ltd | Construction | 2006 |
| Dunworth Hundred Ltd | Agriculture & fishing | 2026 |
| Dyosa Spa Ltd | Other services | 2025 |
| E C Electricals Limited | Construction | 1994 |
| E.C.S.G. Limited | Construction | 1983 |
| Eco-Flame Limited | Construction | 2009 |
| Eden Design & Interiors Limited | Administrative & support | 2010 |
| Edgeco Sales Limited | Manufacturing | 2016 |
| Edwardstowe Advisory Ltd | Education | 2016 |
| Egret Digital Ltd | Information & communication | 2012 |
| Eipaw Limited | Professional & scientific | 2015 |
| Eland Capital Ltd | Real estate | 2020 |
| Electrical Technicians Ltd | Manufacturing | 2018 |
| Electrox Water Ltd | Water & waste | 2020 |
| Elemental Solutions Ltd | Professional & scientific | 2024 |
| Elements Beyond Ltd | Manufacturing | 2020 |
| Elite Accounting Solutions (Dorset) Ltd | Professional & scientific | 2023 |
| Elliott Environmental Services Limited | Construction | 2003 |
| Elsworth Costumes Ltd | Arts & recreation | 2024 |
| Emily Jane Cosmetics and Aesthetics Limited | Other services | 2019 |
| Eminent Plumbing and Heating Ltd | Construction | 2017 |
| England Colleges Rugby Football Union | Arts & recreation | 2010 |
| Equi-Sense Limited | Extraterritorial | 1996 |
| Espresso Machine Services Ltd | Extraterritorial | 2022 |
| Eunomic Ltd | Professional & scientific | 2021 |
| Eurodie Extrusion Technology Limited | Professional & scientific | 2012 |
| European Atlantic Limited | Professional & scientific | 2011 |
| Express Fit (Chesterfield) Ltd | Wholesale & retail | 2017 |
| Express Fit (Henley) Ltd | Wholesale & retail | 2017 |
| Express Fit (Ludlow) Ltd | Wholesale & retail | 2017 |
| EXWES6 Limited | Construction | 2011 |
| EXWES7 Limited | Energy | 2010 |
| Eyewell Farm Ltd | Agriculture & fishing | 2008 |
| F&K | Financial services | 2019 |
| Fastbreak Strategy Ltd | Professional & scientific | 2024 |
| FFO International Limited | Wholesale & retail | 2015 |
| FFS Donhead Limited | Information & communication | 2018 |
| Filer & Miller Ltd | Agriculture & fishing | 2015 |
| Firebrand Artisans Limited | Arts & recreation | 2013 |
| First Twenty Consulting Ltd | Administrative & support | 2019 |
| Five Paws Limited | Other services | 2018 |
| Flora Soames Fabrics Limited | Wholesale & retail | 2016 |
| Flora Soames Limited | Professional & scientific | 2013 |
| Flowers and Home Somerset Ltd | Wholesale & retail | 2022 |
| Focus Publishing UK Limited | Hospitality | 2003 |
| Fonthill Care (Enfield) Limited | Administrative & support | 2019 |
| Fonthill Care (Tring) Limited | Administrative & support | 2020 |
| Fontmell Estates Limited Liability Partnership | | 2015 |
| Food & Drink Exporters Association Limited | Administrative & support | 2008 |
| Food Lynx Holdings Ltd | Financial services | 2021 |
| Food Lynx International Food Services Limited | Wholesale & retail | 2010 |
| Food Lynx International Logistics Ltd | Transport & logistics | 2021 |
| Forces to Film Limited | Administrative & support | 2017 |
| Fordham Flight Training Limited | Administrative & support | 2018 |
| Forrest Accountancy Ltd | Professional & scientific | 1982 |
| Forum Refurbs Ltd | Construction | 2026 |
| Fowler Motorsport Ltd | Wholesale & retail | 2018 |
| Fridgeforce Chilled Logistics Ltd | Administrative & support | 2024 |
| Fridgeforce Limited | Transport & logistics | 2002 |
| Friendicus Ltd | Professional & scientific | 2013 |
| Friendly Ltd | Information & communication | 2023 |
| Friendly Studio Ltd | Professional & scientific | 2013 |
| Frog House Consulting Ltd | Professional & scientific | 2020 |
| Fundamental Science Ltd | Education | 2016 |
| Future of Food Ltd | Administrative & support | 2025 |
| G & S Carpentry (Dorset) Ltd | Manufacturing | 2014 |
| G & S Plumbing & Heating Engineers Ltd | Construction | 2003 |
| General Theorist Macroeconomics Limited | Administrative & support | 2019 |
| Georgie Louise Rose Limited | Other services | 2026 |
| Ghet Mclean Ltd | Professional & scientific | 2014 |
| GI Home and Garden Limited | Wholesale & retail | 2020 |
| Gibe Digital Limited | Information & communication | 2009 |
| Gillingham Tyre Services Ltd | Wholesale & retail | 2015 |
| Gnbl Group Ltd | Construction | 2015 |
| Going Environmental Ltd | Construction | 2020 |
| Going Group Ltd | Construction | 2020 |
| Gold Hill Training Limited | Education | 2024 |
| Golden China Cottage Ltd | Hospitality | 2021 |
| Golden Snowdrop Jewellers Ltd | Wholesale & retail | 2017 |
| Good Design Works Ltd | Information & communication | 2015 |
| Goulds Ground Mill Management Limited | Real estate | 2002 |
| Great Dorset Steam Fair Limited | Arts & recreation | 1981 |
| Great Lane Consulting Limited | Professional & scientific | 2024 |
| Green Earth Ltd | Administrative & support | 2016 |
| Green Oak Properties Limited | Hospitality | 2014 |
| Green Wave (South) Energy Ltd | Construction | 2024 |
| Greenguard Landcare Ltd | Administrative & support | 2024 |
| Greenlife Renewable Heating Ltd | Construction | 2021 |
| Greytrees Shutters Ltd | Manufacturing | 2026 |
| H Projects International Ltd | Financial services | 2026 |
| HA Games Ltd | Information & communication | 2022 |
| HAE Investments Limited | Real estate | 2015 |
| Hambledon OKE Limited | Professional & scientific | 2019 |