| Diesel Automotive Ltd | Wholesale & retail | 2018 |
| Digital Advent Solutions Limited | Administrative & support | 2025 |
| Digital Radio Solutions Limited | Extraterritorial | 2016 |
| Dignitary Cleaning Services Ltd | Households | 2017 |
| Dikachi Ltd | Public administration | 2018 |
| Dilshad Balti House Ltd | Hospitality | 2017 |
| Direct Copiers (Service) Limited | Administrative & support | 2001 |
| Direct Motor Automobiles Limited | Construction | 2025 |
| Directadd Limited | Professional & scientific | 1997 |
| Discount Driveways Limited | Construction | 2021 |
| DKN PUB & Co Ltd | Hospitality | 2025 |
| DLM Building & Maintenance Limited | Construction | 2011 |
| DM Cargo Ltd | Transport & logistics | 2024 |
| DMV Transport Limited | Transport & logistics | 2016 |
| DN Hosts Ltd | Real estate | 2025 |
| DN Worldwide Ltd | Other services | 2024 |
| DNA Project Services Limited | Administrative & support | 2025 |
| DO Drywall Finishing Ltd | Construction | 2025 |
| Doaba Transport Ltd | Transport & logistics | 2023 |
| Dodsworth Consulting (Midlands) Limited | Construction | 2020 |
| Dom-Uk Ltd | Manufacturing | 1988 |
| Dominator Gym Limited | Administrative & support | 2024 |
| DON Alejandro Services Ltd | Manufacturing | 2020 |
| Doocey Developments Limited | Real estate | 2016 |
| Doocey Groundworks Limited | Construction | 2021 |
| Doocey Group Limited | Financial services | 2021 |
| Doocey Holdings Limited | Professional & scientific | 1997 |
| Doocey Properties Ltd | Real estate | 2020 |
| Doocey Traffic Management Limited | Construction | 1995 |
| Dorumtrans Limited | Transport & logistics | 2021 |
| Down to a TEE Limited | Wholesale & retail | 2022 |
| DP Academy Ltd | Education | 2026 |
| DR Access Ltd | Construction | 2024 |
| Drabest UK Limited | Manufacturing | 2015 |
| Dragon Retail 501 Limited | Wholesale & retail | 2025 |
| Dragon-I Chinese Limited | Hospitality | 2023 |
| Drama and Some CIC | Arts & recreation | 2013 |
| Dream & Design Property Limited | Real estate | 2026 |
| Dream Home Midlands Construction Ltd | Construction | 2024 |
| Dream Home Reality Ltd | Financial services | 2025 |
| Dream Transport UK Ltd | Transport & logistics | 2023 |
| Dreiston Ltd | Wholesale & retail | 2020 |
| Drumcare (Holdings) Limited | Financial services | 2020 |
| DS Cunningham Logistics Ltd | Transport & logistics | 2020 |
| DSD Trading Solutions UK Limited | Wholesale & retail | 2021 |
| DSP Transport Ltd | Transport & logistics | 2015 |
| DTL Aesthetics Ltd | Health & social care | 2022 |
| Dubai TAN CIC | Other services | 2025 |
| Dubb Building Construction Ltd | Construction | 2014 |
| Dudley Port Fish & Chips Ltd | Hospitality | 2025 |
| Duhra Trading Ltd | Administrative & support | 2026 |
| Duobinis Engineering Limited | Administrative & support | 2025 |
| Duplex Power Tool Services Ltd. | Manufacturing | 1998 |
| Duport Furniture Products Limited | | 1945 |
| Duttas Enterprises Ltd | Wholesale & retail | 2025 |
| Dyaako Autos Ltd | Wholesale & retail | 2024 |
| Dyoniziak Limited | Transport & logistics | 2019 |
| DZ Butchers Ltd | Manufacturing | 2019 |
| E Partridge and Sons Coppersmiths Limited | Manufacturing | 2011 |
| E&D Transport Ltd | Transport & logistics | 2017 |
| E&J Site Services Ltd | Construction | 2020 |
| E&M Onyx Hub Limited | Administrative & support | 2025 |
| E-Commerceminhas Ltd | Wholesale & retail | 2024 |
| E.J.Howell & Son(Transport Contractors)Limited | Transport & logistics | 1963 |
| EA Interiors Limited | Wholesale & retail | 2023 |
| EA Packaging Limited | Wholesale & retail | 2013 |
| Eame Auto Solution Limited | Wholesale & retail | 2026 |
| Earthplusme Ltd | Professional & scientific | 2026 |
| East Hybrid Repairs and Parts Ltd | Wholesale & retail | 2025 |
| East Properties Management UK Ltd | Financial services | 2024 |
| Eastern Spice Ltd | Hospitality | 2019 |
| Easy Stay Living Limited | Real estate | 2026 |
| Ebiz Point Ltd | Wholesale & retail | 2025 |
| Eco Plumbing & Heating Group Ltd | Construction | 2021 |
| Eco-Tech Services Ltd | Construction | 2021 |
| Ecom Sellerz Ltd | Wholesale & retail | 2024 |
| Ecostock Trading Limited | Wholesale & retail | 2024 |
| Ecovoyage Travel Limited | Administrative & support | 2024 |
| Edison Holdings Ltd | Financial services | 1938 |
| Eduskillprep Ltd | Education | 2025 |
| EF Consultants Limited | Information & communication | 2016 |
| EG Van Courier Ltd | Transport & logistics | 2024 |
| Egret Behaviour Change Ltd | Health & social care | 2026 |
| Ejps Properties Ltd | Real estate | 2025 |
| Ekam Courier Ltd | Transport & logistics | 2026 |
| Ekta Construction Ltd | Construction | 2024 |
| Elderberry Holdings Limited | Financial services | 2018 |
| Electric Vehicle Solutions Limited | Wholesale & retail | 2021 |
| Electrical Solutions Bham Ltd | Construction | 2019 |
| Electrofit Limited | Wholesale & retail | 2020 |
| Electrones House Ltd | Manufacturing | 2024 |
| Elegant Nails 102 Ltd | Other services | 2022 |
| Elektrodrive Limited | Manufacturing | 2013 |
| Elimy Product HUT Ltd | Wholesale & retail | 2020 |
| Elite Auto Claims Ltd | Administrative & support | 2025 |
| Elite Cladd Ltd | Construction | 2024 |
| Elite Crane Services Ltd | Professional & scientific | 2020 |
| Elite Engineering UK Ltd | Professional & scientific | 2025 |
| Elite Hire Services Ltd | Administrative & support | 2024 |
| Elizabeth Carter Limited | Administrative & support | 1997 |