| Direct Home Solutions Limited | Wholesale & retail | 2014 |
| Director Helpline Limited | Professional & scientific | 2015 |
| Distance Music Production Ltd | Information & communication | 2025 |
| Distortion Brewing Company Ltd | Manufacturing | 2019 |
| Divine Herbal Medicine Co Ltd | Health & social care | 2020 |
| Diyalia Property Development Ltd | Real estate | 2025 |
| DJD Thesaurum Limited | Real estate | 2017 |
| DM & VM Ltd | Construction | 2018 |
| DM MAP Ltd | Real estate | 2016 |
| DMF Track Pro Ltd | Construction | 2025 |
| Dmjs Consulting Limited | Arts & recreation | 2010 |
| Dnbc Properties Ltd | Real estate | 2025 |
| DNS Studio Limited | Arts & recreation | 2022 |
| DNX Scientific Ltd | Wholesale & retail | 2026 |
| DO Clouds Move Ltd | Financial services | 2025 |
| Dobbies Garden Centres Group Limited | Financial services | 2016 |
| Docs Property Investment Limited | Real estate | 2002 |
| Doctor Wang Limited | Health & social care | 2012 |
| Dog Tired Productions Ltd | Arts & recreation | 2016 |
| Doin GG Ltd | Wholesale & retail | 2025 |
| Dolphine Limited | Health & social care | 2020 |
| Domus 1966 Investments Limited | Real estate | 2017 |
| DON Biggs Limited | Professional & scientific | 2021 |
| Dorchester Seventh Management Company Limited | Households | 1982 |
| Dormans Garage Limited | Wholesale & retail | 2005 |
| Dorwood Consultancy Limited | Administrative & support | 2012 |
| Double a Estates Ltd | Real estate | 2016 |
| Dovecote London Ltd | Real estate | 2025 |
| Dovecote Staging Ltd | Professional & scientific | 2025 |
| Downland Utilities Ltd | Professional & scientific | 2010 |
| Downs Flooring Limited | Administrative & support | 2009 |
| DR Contracts Ltd | Construction | 2021 |
| Dragon Chasers Ltd | Administrative & support | 2019 |
| Dragon Guild Ltd | Administrative & support | 2024 |
| Drip Hair Care Limited | Wholesale & retail | 2025 |
| Drives Trade Limited | Wholesale & retail | 2026 |
| Drumhaldry Investments Limited | Real estate | 2023 |
| Drumshire Ltd | Real estate | 2006 |
| DS Carpentry & Construction Ltd | Construction | 2024 |
| DS Collective Limited | Professional & scientific | 2025 |
| DS LK Events Ltd | Arts & recreation | 2026 |
| DSB Property Solutions Ltd | Financial services | 2026 |
| DTD Construction and Lanscaping Limited | Construction | 2025 |
| Du-Luxe Ltd | Manufacturing | 2024 |
| Dube Properties Ltd | Households | 2026 |
| Dubuin Limited | Construction | 2025 |
| Duck Housing Ltd | Real estate | 2025 |
| Dulley Ceilings & Partitions Limited | Construction | 1997 |
| Dunn Cinematography Ltd | Information & communication | 2019 |
| Duofix Appliance Engineers Ltd | Other services | 2024 |
| Duratec Roofing Ltd | Construction | 2023 |
| Dwas TEX PVT Ltd | Other services | 2019 |
| Dwgmade Ltd | Real estate | 2024 |
| Dynaastys Ltd | Real estate | 2020 |
| Dynamic EVP Solutions Ltd | Professional & scientific | 2024 |
| Dynamytheon Limited | Information & communication | 2026 |
| Dynasty Cheer London Ltd | Arts & recreation | 2020 |
| DZC Construction Services Ltd | Construction | 2023 |
| E Velia Builders Ltd | Construction | 2023 |
| E-Core Cleaning Services Ltd | Administrative & support | 2021 |
| E.M. Home Refurbishment Limited | Administrative & support | 2019 |
| Eagle N Eagles Business Associates Ltd | Education | 2022 |
| East Surrey Acrobatics Ltd | Education | 2026 |
| Eastern Aurora Ltd | Real estate | 2024 |
| Eastern Inns Limited | Other services | 1999 |
| Eastern Sunshine Limited | Real estate | 2024 |
| Easy Electrics Ltd | Construction | 2026 |
| Easy Express Airport Transfers Ltd | Transport & logistics | 2023 |
| Easy Tech ALL UK Limited | Wholesale & retail | 2017 |
| Easyclear Limited | Water & waste | 2006 |
| Easyloaders Skip & Grab Hire Limited | Water & waste | 2017 |
| Eatonville Properties Limited | Real estate | 2015 |
| EB Install Ltd | Construction | 2021 |
| Echelon Properties Management Ltd | Real estate | 2023 |
| Echo Vision Limited | Professional & scientific | 2025 |
| Eclean Operating Limited | Other services | 2019 |
| ECM Plumbing Limited | Construction | 2024 |
| Eco Rural Management Ltd | Real estate | 2021 |
| Eco Rural Solutions Ltd | Construction | 2019 |
| Ecomotion Logistics Ltd | Transport & logistics | 2025 |
| Ecostream Limited | Construction | 2019 |
| Eden Forage Ltd | Wholesale & retail | 2023 |
| Eden Ridge Ltd | Real estate | 2024 |
| Eden Trades Limited | Wholesale & retail | 2026 |
| Eden Woods Mortgages Ltd | Financial services | 2017 |
| Eden's Law Productions Limited | Other services | 2023 |
| Edencrest Garden Services Ltd | Administrative & support | 2025 |
| Edgeley Road Management Company Limited | Households | 2016 |
| Edpies AI Limited | Education | 2026 |
| Edtex Limited | Professional & scientific | 1994 |
| Education Excellence Associates. Limited | Education | 2020 |
| Eeaah Ltd | Households | 2026 |
| Effective Education Ltd | Education | 2026 |
| Efsid Limited | Real estate | 2015 |
| Eghe Ltd | Real estate | 2015 |
| EGZ Investments Ltd | Real estate | 2022 |
| EK Locum Limited | Health & social care | 2026 |
| EKA Collection Ltd | Wholesale & retail | 2026 |
| Ektor Ltd | Wholesale & retail | 2012 |
| Elancer Business Solutions Ltd | Information & communication | 2011 |