| Downtown Peri Peri Vibes Limited | Hospitality | 2026 |
| Downtown Pizza Peterborough Ltd | Hospitality | 2022 |
| Dowsocial Ltd | Information & communication | 2013 |
| DP & LB Fencing Ltd | Construction | 2022 |
| DP IT Consultancy Ltd | Information & communication | 2024 |
| DP Runs Ltd | Wholesale & retail | 2025 |
| DPA Maritime Services Ltd | Professional & scientific | 2022 |
| Dpaula Transport Ltd | Transport & logistics | 2025 |
| Dpbathrooms Ltd | Construction | 2025 |
| Dplh Ltd | Transport & logistics | 2022 |
| DPS Express Ltd | Transport & logistics | 2022 |
| DPS Food Auditing Limited | Professional & scientific | 2021 |
| DR Adrienne J Key Ltd | Health & social care | 2017 |
| DR Almira Ltd | Health & social care | 2019 |
| DR Build and Plumb Ltd | Construction | 2025 |
| DR Dafimu Ltd | Health & social care | 2025 |
| DR G C Muller Limited | Health & social care | 2009 |
| DR I Shevki Ltd | Health & social care | 2019 |
| DR Jignesh Panchal Holdings Corporation Ltd | Financial services | 2020 |
| DR Jignesh Panchal Ltd | Health & social care | 2020 |
| DR Krone Consulting Ltd | Other services | 2013 |
| DR Lu'Ayy Al-Rimawi Legal Consultancy Ltd | Public administration | 2021 |
| DR Zafar Health Consultancy Ltd | Health & social care | 2020 |
| DR. MJ Enterprises Ltd | Wholesale & retail | 2026 |
| Draama Limited | Wholesale & retail | 2024 |
| Drage Retail Solutions Limited | Professional & scientific | 2012 |
| Dragonfly Housing Group Ltd | Real estate | 2024 |
| Dragonfly Logistics Ltd | Transport & logistics | 2013 |
| Dragonflyml Limited | Hospitality | 2025 |
| Drainmar Limited | Water & waste | 2003 |
| Drainmar Property Services Limited | Real estate | 2023 |
| Dranas Protection Security Ltd | Other services | 2017 |
| Drapa Transport Ltd | Transport & logistics | 2023 |
| Draper Digital Limited | Professional & scientific | 2022 |
| Drawdown Line Limited | Financial services | 2020 |
| DRC (Peterborough) Ltd | Wholesale & retail | 2017 |
| DRE Property Limited | Real estate | 2024 |
| Dream Driveways & Landscaping Ltd | Water & waste | 2015 |
| Dream Heating and Plumbing Ltd | Construction | 2022 |
| Dream Holiday Makers Limited | Administrative & support | 2018 |
| Dreamlanddecor Ltd | Wholesale & retail | 2025 |
| Dreamz Motors Ltd | Wholesale & retail | 2025 |
| Dremania Private Limited | Health & social care | 2013 |
| Dressmood Ltd | Wholesale & retail | 2025 |
| Drewery Consulting Limited | Financial services | 2011 |
| DRG Joinery Ltd | Construction | 2017 |
| Driffield Ramsden Residents Company Limited | Households | 2003 |
| Driftwood Bistro Ltd | Hospitality | 2017 |
| Drill Hall House Management Company Limited | Real estate | 2015 |
| Drilla Limited | Construction | 2011 |
| Drip Beauty Limited | Wholesale & retail | 2024 |
| Dristor Grill Ltd | Hospitality | 2025 |
| Drive Consultants Limited | Information & communication | 1992 |
| Drive Direct ( Peterborough) Ltd | Wholesale & retail | 2025 |
| Drive Line Car Sales Ltd | Wholesale & retail | 2025 |
| Drive Pro School Ltd | Education | 2025 |
| Drive Republic Limited | Arts & recreation | 2021 |
| Drive Select Limited | Wholesale & retail | 2026 |
| Drive Smart Cambs Ltd | Wholesale & retail | 2024 |
| Drive That Ltd | Transport & logistics | 2025 |
| Drivebox Ltd | Wholesale & retail | 2020 |
| Drivehub Cambs Ltd | Wholesale & retail | 2026 |
| Driven Collision Repair Limited | Financial services | 2024 |
| Driven Fareham Limited | Wholesale & retail | 2024 |
| Drivesafe Warranty Ltd | Administrative & support | 2025 |
| Drivetech Car Service Centre Limited | Wholesale & retail | 2025 |
| Driveway Services Ltd | Construction | 2023 |
| Drivrgolf Ltd | Arts & recreation | 2026 |
| DRJ Property Ltd | Real estate | 2021 |
| DRJ Systems Limited | Other services | 2025 |
| Drjp Real Estate Ltd | Real estate | 2023 |
| DRM Stores Ltd | Wholesale & retail | 2023 |
| Drolma Mahayana Buddhist Centre Limited | Other services | 2004 |
| Drop of Elegance Ltd | Other services | 2021 |
| Dropout ERA Ltd | Information & communication | 2026 |
| Dropzonia Ltd | Wholesale & retail | 2024 |
| Drovers Mead Management Company Limited | Households | 2011 |
| DRS Transport Express Limited | Transport & logistics | 2024 |
| Drssi Limited | Wholesale & retail | 2025 |
| Drufc Clubhouse Limited | Hospitality | 2022 |
| Drumgarth 1002 Limited | Administrative & support | 2001 |
| DS Car Services Ltd | Wholesale & retail | 2023 |
| DS Company Accountants Ltd | Professional & scientific | 2024 |
| DS General Trading Ltd | Wholesale & retail | 2024 |
| DS Rankin Limited | Wholesale & retail | 2024 |
| DSD Trans Ltd | Transport & logistics | 2018 |
| Dsigned Limited | Health & social care | 2022 |
| DSK Consultancy Ltd | Professional & scientific | 2019 |
| DSL Clothing (P'Boro) Ltd | Wholesale & retail | 2020 |
| DSM (GB) Limited | Information & communication | 1994 |
| DSM Developments Limited | Construction | 2019 |
| DSM Group (GB) Limited | Information & communication | 2005 |
| DT Accounting Ltd | Professional & scientific | 2026 |
| DT Architects Holdings Limited | Financial services | 2021 |
| DT Architects Limited | Professional & scientific | 2001 |
| DT Toys Limited | Wholesale & retail | 2021 |
| DT Trans Limited | Transport & logistics | 2026 |
| DTC Legal Services Ltd | Other services | 2025 |
| Dtcustom Ltd | Wholesale & retail | 2025 |
| DTM Remapping Ltd | Wholesale & retail | 2020 |