| Desirable Drives and Patios Ltd | Construction | 2019 |
| Dessert Corner Dudley Ltd | Wholesale & retail | 2017 |
| Destined Property Company Ltd | Real estate | 2024 |
| Destiny Health Care Recruitment and Traning UK Limited | Administrative & support | 2021 |
| Destny Limited | Administrative & support | 2025 |
| Deus Community Services CIC | Hospitality | 2025 |
| Deux Bells Event Services Ltd | Other services | 2016 |
| Developed by Bedford Limited | Administrative & support | 2025 |
| Devices Sourcing Ltd | Other services | 2024 |
| Dewans Property Ltd | Real estate | 2023 |
| Dewuni Global Ltd | Wholesale & retail | 2026 |
| DFC Realisations Limited | | 1982 |
| DG Motor Sales Limited | Wholesale & retail | 2024 |
| DGI Care Ltd | Health & social care | 2023 |
| DGN Developments Ltd | Construction | 2015 |
| DGN Driving School Ltd | Education | 2015 |
| DGN Fittings Ltd | Construction | 2023 |
| DGN Holdings (Midlands) Ltd | Financial services | 2023 |
| DGN Holdings and Investments Ltd | Financial services | 2023 |
| DGN Holdings Ltd | Financial services | 2019 |
| DGN Homes Ltd | Construction | 2018 |
| DGN Instructor Training Ltd | Education | 2026 |
| DGN Interiors Ltd | Construction | 2022 |
| DGN Lettings Ltd | Real estate | 2025 |
| DGN Media Ltd | Education | 2020 |
| DGN Online Courses Ltd | Information & communication | 2019 |
| DGN Properties Ltd | Real estate | 2021 |
| DGS Signs Limited | Health & social care | 2025 |
| DGS Supplies Limited | Health & social care | 2010 |
| Dgtly Ltd | Information & communication | 2019 |
| DH UK Consultancy Ltd | Education | 2022 |
| DHC Midlands Ltd | Health & social care | 2016 |
| Dheel Tech Limited | Wholesale & retail | 2025 |
| DHH Property Services Limited | Construction | 2023 |
| Dhillon & SON Transport Ltd | Transport & logistics | 2021 |
| Dhillon Law Limited | Professional & scientific | 2022 |
| Dhillontransportsolutions Ltd | Transport & logistics | 2024 |
| Dhuni Property Ltd | Real estate | 2026 |
| Diagnuvo Health Ltd | Information & communication | 2026 |
| Diahavikam (DHK) Ltd | Health & social care | 2014 |
| Dial-A-Mech Ltd | Wholesale & retail | 2024 |
| Diallo Domestic Appliances Ltd | Other services | 2025 |
| Dialrelay Limited | Construction | 1988 |
| Diamond Nails & Spa Dudley Ltd | Other services | 2026 |
| Diamond Precedence Ltd | Wholesale & retail | 2025 |
| Dibdale Autos Limited | Wholesale & retail | 2010 |
| DIE Berg Stube (UK) Ltd | Hospitality | 2026 |
| Digital Footprint Consultancy Ltd | Administrative & support | 2025 |
| Digital Freight Ltd | Transport & logistics | 2009 |
| Digital Life Consulting Limited | Information & communication | 2017 |
| Digital Office IT Ltd | Administrative & support | 2011 |
| Digital Office Limited | Other services | 1998 |
| Digital Shopper Ltd | Wholesale & retail | 2025 |
| Digital Signs & Networks Ltd | Information & communication | 2018 |
| Digital Vision Consultants Ltd | Information & communication | 2020 |
| Digitalaimz Limited | Wholesale & retail | 2022 |
| Dingd Ltd | Wholesale & retail | 2026 |
| Direct Engine Parts Limited | Wholesale & retail | 2017 |
| Direct Flooring Holdings Ltd | Financial services | 2024 |
| Direct Flooring Solutions Ltd | Construction | 2016 |
| Direct Furniture Midlands Limited | Wholesale & retail | 2008 |
| Direct Property Enterprises Ltd | Real estate | 2024 |
| Direct Property Lettings & Sales Ltd | Real estate | 2016 |
| Direct Reply Media Limited | Professional & scientific | 2019 |
| Direct to Care Limited | Administrative & support | 2023 |
| Discount Drinks & More Ltd | Wholesale & retail | 2023 |
| Discount Emporium Limited | Wholesale & retail | 2024 |
| Dish Tech Ltd | Manufacturing | 2025 |
| Disscband Limited | Health & social care | 2000 |
| Distinctive Windows Limited | Construction | 2015 |
| Diveotion Scuba Services Limited | Manufacturing | 2018 |
| Diverse Technology (Midlands) Limited | Manufacturing | 2017 |
| Diversity in Infant Feeding CIC | Education | 2024 |
| Divine DNB Ltd | Arts & recreation | 2025 |
| Divine Glory Limited | Health & social care | 2013 |
| DIY BFS Dudley Ltd | Wholesale & retail | 2024 |
| DJ Developments (Midlands) Ltd | Construction | 2017 |
| DJ Q Auto Resources Limited | Wholesale & retail | 2026 |
| DJC Building Ltd | Construction | 2023 |
| DJH Carpentry Limited | Construction | 2014 |
| DJL Painting and Decorating Contractors Ltd | Construction | 2023 |
| Djnprojects Ltd | Construction | 2025 |
| DJP Carpentry Contractors Limited | Construction | 2007 |
| DJP Carpentry Holdings & Investments Ltd | Financial services | 2025 |
| DJS Building Services Limited | Construction | 2017 |
| DJS Handling & Distribution Ltd | Wholesale & retail | 2023 |
| DJS Waterscapes and Landscaping Ltd | Administrative & support | 2022 |
| DK Psychotherapies Ltd | Health & social care | 2021 |
| DKN Supplies Ltd | Wholesale & retail | 2014 |
| DL Property Sourcing Group Ltd | Real estate | 2023 |
| DL Secretarial Services Ltd | Administrative & support | 2018 |
| DLC Crafts Ltd | Manufacturing | 2023 |
| DLG Property Limited | Real estate | 2018 |
| DMA Consultants Ltd | Professional & scientific | 2025 |
| DMA Holdings and Investments Ltd | Financial services | 2026 |
| DMA Layouts Ltd | Construction | 2017 |
| DMC Bikes Ltd | Wholesale & retail | 2024 |
| DMS Heating & Plumbing Ltd | Construction | 2024 |
| DNA Autotech Holdings Ltd | Financial services | 2025 |
| DND Retreats Ltd | Hospitality | 2025 |