| Deal Station Ltd | Wholesale & retail | 2024 |
| Deal Stock Limited | Other services | 2025 |
| Dealcrop Limited | Other services | 2017 |
| Dealercast Limited | Manufacturing | 1991 |
| Dealerzone Limited | Information & communication | 2025 |
| Dealgenie Limited | Wholesale & retail | 2025 |
| Dealhaus Collective Ltd | Real estate | 2026 |
| Dealmaison Ltd | Wholesale & retail | 2026 |
| Dealmaker Members Club Ltd | Other services | 2023 |
| Dealora Mart Ltd | Wholesale & retail | 2026 |
| Dealory-Eshop Ltd | Wholesale & retail | 2025 |
| Deals 613 Limited | Other services | 2025 |
| Deals and Barganiz UK Ltd | Wholesale & retail | 2021 |
| Deals and Sales Ltd | Wholesale & retail | 2021 |
| Deals by Daniel Limited | Real estate | 2025 |
| Deals on Wheels (Manchester) Limited | Wholesale & retail | 2017 |
| Deals Solution LLC Ltd | Financial services | 2025 |
| Deals-Direct Ltd | Wholesale & retail | 2015 |
| Dealsdirect MCR Ltd | Wholesale & retail | 2015 |
| Dealtopia Limited | Professional & scientific | 2022 |
| Dealvault Limited | Wholesale & retail | 2025 |
| Dealvora Exchivo Trading Ltd | Extraterritorial | 2026 |
| Dealx Ltd | Wholesale & retail | 2024 |
| Dealz on Wheelzz Ltd | Wholesale & retail | 2025 |
| Dealzon Convenience Store Limited | Wholesale & retail | 2025 |
| Dean Asset Management Ltd | Financial services | 2022 |
| Dean Clothing Ltd | Wholesale & retail | 2017 |
| Dean Developments Limited | Households | 2021 |
| Dean Douglas Builders Ltd | Construction | 2006 |
| Dean Empyreal Limited | Financial services | 2021 |
| Dean MAC Ltd | Arts & recreation | 2026 |
| Dean Manchester Ltd | Real estate | 2007 |
| Dean Morritt Concrete Services Ltd | Construction | 2024 |
| Dean of the National College of Maths Limited | Education | 2018 |
| Dean Orchards Ltd | Professional & scientific | 2021 |
| Dean Road (Management Company) Limited | Households | 1997 |
| Dean Signature Limited | Hospitality | 2024 |
| Dean Trading Ltd | Wholesale & retail | 2025 |
| Dean Ward Clinical Solutions Ltd | Health & social care | 2024 |
| Dean's Canine Leaders Limited | Other services | 2023 |
| Deangood Limited | Financial services | 2015 |
| Deano's Barber Shop (Manchester) Limited | Other services | 2012 |
| Deano's Matching Composite Gates Limited | Wholesale & retail | 2026 |
| Deanos Restaurant Limited | Hospitality | 2024 |
| Deans Hair & Beauty Studio Limited | Other services | 2023 |
| Deansgate Aesthetics Ltd | Health & social care | 2022 |
| Deansgate and Co. Investments Limited | Financial services | 2024 |
| Deansgate Coffee House Ltd | Hospitality | 2025 |
| Deansgate Commerce Ltd | Wholesale & retail | 2025 |
| Deansgate Foods Ltd | Wholesale & retail | 2025 |
| Deansgate Limited | Real estate | 2021 |
| Deansgate Media Limited | Information & communication | 2022 |
| Deansgate Medical Ltd | Health & social care | 2025 |
| Deansgate Residence Limited | Real estate | 2024 |
| Deansgate Square East Tower Management Company Limited | Real estate | 2020 |
| Deansgate Square Estate Management Company Limited | Real estate | 2019 |
| Deansgate Square South Tower Management Company Limited | Real estate | 2019 |
| Deanswood Limited | Other services | 2025 |
| Deanview Residents Company Limited | Households | 2000 |
| Dear Giftery Ltd | Wholesale & retail | 2024 |
| Dearden Street Flat Management Limited | Households | 2004 |
| Dearne Valley Assets (NO 2) Limited | Extraterritorial | 2005 |
| Dearne Valley Assets Limited | Extraterritorial | 2005 |
| Dearnex Ltd | Information & communication | 2018 |
| Deatach Limited | Financial services | 2022 |
| Death Star Collectables Ltd | Wholesale & retail | 2025 |
| Death Star Framing Limited | Manufacturing | 2020 |
| Deaville Construction (Oldham) Limited | Construction | 2011 |
| DEB Disposables Limited | Wholesale & retail | 2008 |
| Debbie Cleaning & Moving Limited | Transport & logistics | 2025 |
| Debbie Nathan Associates Ltd | Administrative & support | 2020 |
| Debbie’S Fish and Chips Ltd | Hospitality | 2024 |
| Debcas Havens Limited | Real estate | 2014 |
| Debcas Healthcare Limited | Health & social care | 2022 |
| Debcor Ltd | Information & communication | 2021 |
| Debdale Consultants Limited | Professional & scientific | 2021 |
| DEBDOV2 Limited | Administrative & support | 2013 |
| Debenhams Brands Online Limited | Wholesale & retail | 2023 |
| Debenhams Group Holdings 2 Limited | Financial services | 2024 |
| Debenhams Group Holdings Limited | Financial services | 2019 |
| Debenhams Group Property Holdings 2 Limited | Wholesale & retail | 2020 |
| Debenhams Holdings Limited | Wholesale & retail | 2021 |
| Debenhams Retail Online Limited | Wholesale & retail | 2020 |
| Debenhamspayplus Limited | Financial services | 2022 |
| Debi (PVT) Limited | Other services | 2017 |
| Debit Alliance Ltd | Administrative & support | 2020 |
| Debit Direct Ltd | Financial services | 2012 |
| Debmar Benevolent Trust Limited | Health & social care | 1979 |
| Debmar Investments Limited | Real estate | 1960 |
| Debonair Schoolwear (Wythenshaw) Limited | Wholesale & retail | 2022 |
| Debonair the School Shop Limited | Wholesale & retail | 2011 |
| Deborah Pepe Ltd | Transport & logistics | 2021 |
| Deborah Yeates Career Coach Ltd | Education | 2025 |
| Deborah's Hub CIC | Health & social care | 2025 |
| Debra Estates Ltd | Real estate | 2023 |
| Debra Harris Limited | Health & social care | 2023 |
| Debra Health Solution Limited | Health & social care | 2025 |
| Debt Movement UK Ltd | Financial services | 2019 |
| Debt Solvo Limited | Professional & scientific | 2022 |
| Debt Support Centre Limited | Financial services | 2002 |