| Crowley Automation Services Limited | Professional & scientific | 2007 |
| Crown Holdings Northern Ltd | Real estate | 2016 |
| Crown Spindle Mill Management Company Limited | Real estate | 2003 |
| Cruise Tube Limited | Arts & recreation | 2015 |
| Cruising Holidays Ltd | Administrative & support | 2004 |
| CS Damp Proofing Ltd | Construction | 2022 |
| CSM Fire & Security Solutions Ltd | Administrative & support | 2024 |
| Cubicstate Limited | Information & communication | 2001 |
| Cuco Communications Limited | Professional & scientific | 2008 |
| Cultivar International UK Limited | Professional & scientific | 2022 |
| Currah & Currah Limited | Hospitality | 2021 |
| CVW Coaching Limited | Arts & recreation | 2026 |
| CX Bridge Ltd | Professional & scientific | 2026 |
| Cybersafe Consulting Ltd | Information & communication | 2024 |
| Cybertron Limited | Information & communication | 1994 |
| D & P Woof Limited | Transport & logistics | 2023 |
| D S Seamless Gutter Systems Ltd. | Manufacturing | 2003 |
| D.E. Property Lets Ltd | Extraterritorial | 2023 |
| D2D Global Group Ltd | Wholesale & retail | 2025 |
| D4LXTN Consulting Ltd | Professional & scientific | 2026 |
| Dadhley Technologies Ltd | Wholesale & retail | 2014 |
| Dairy Meadow Management Company Limited | Real estate | 2007 |
| Dalegarth Quatro Ltd | Real estate | 2013 |
| Dales and Bowland Community Interest Company | Transport & logistics | 2007 |
| Dales Community Care Limited | Health & social care | 2012 |
| Dales Dairies Limited | Extraterritorial | 2010 |
| Dales Hideaways Ltd | Real estate | 2022 |
| Dales Holdings Limited | Extraterritorial | 2015 |
| Dales Land NET Limited | Information & communication | 2018 |
| Dales Leisure Limited | Real estate | 2017 |
| Dales Properties (Yorkshire) Ltd | Real estate | 2017 |
| Dales Walling Limited | Agriculture & fishing | 2015 |
| Dalesbred Ltd | Manufacturing | 2020 |
| Dalesman Central Taxis Limited | Transport & logistics | 2014 |
| Dalesman Vehicle Conversions Ltd | Wholesale & retail | 2018 |
| Dalestech Limited | Information & communication | 2025 |
| Dalesview Developments Limited | Construction | 2003 |
| Dalesway Accountancy Services Limited | Professional & scientific | 2015 |
| Dalesway Construction Limited | Construction | 2013 |
| Danby Kommunikation Ltd | Information & communication | 2011 |
| Dashtan Ltd | Wholesale & retail | 2026 |
| Davenport Jones Heating Engineering Services Ltd | Construction | 2025 |
| David Hill Land LLP | | 2016 |
| David Hill LLP | | 2013 |
| David Hill Planning Limited | Professional & scientific | 2016 |
| David Hill Property Consultants Limited | Real estate | 2006 |
| David Mitchell Trustees Limited | Information & communication | 2018 |
| David Noel Advisory Limited | Professional & scientific | 2017 |
| David Payne Ltd | Professional & scientific | 2026 |
| David Wynn Joinery Limited | Construction | 2020 |
| Davlyn Angus Ltd | Administrative & support | 2020 |
| Dawn Alderson Training Academy Ltd | Other services | 2025 |
| Dawsons Haulage Limited | Transport & logistics | 2019 |
| Dawsons Plumbing & Heating Limited | Construction | 2005 |
| Day Civils Limited | Construction | 2014 |
| Day Cottages Limited | Real estate | 2025 |
| Ddli Solutions Ltd | Other services | 2025 |
| Ddll Events Ltd | Hospitality | 2022 |
| DDS Corp Ltd | Wholesale & retail | 2014 |
| Deanwillow Limited | Administrative & support | 2004 |
| Dechra Limited | Manufacturing | 2002 |
| Decksure Limited | Construction | 2019 |
| Dedicated to Dogs Limited | Agriculture & fishing | 2015 |
| Denby Residential Ltd | Real estate | 2023 |
| Depledge Control Systems Limited | Professional & scientific | 2007 |
| Deromille Consultancy Limited | Professional & scientific | 2018 |
| Deromille Holdings Limited | Financial services | 2022 |
| Deskcape Ltd | Hospitality | 2025 |
| Destination Dog Wear Ltd | Wholesale & retail | 2024 |
| Development Company (Manor Farm) Ltd | Construction | 2026 |
| Development Company (Moorhouse Farm) Ltd | Construction | 2026 |
| Dewinkel Ltd | Wholesale & retail | 2020 |
| DGT Networks Ltd | Professional & scientific | 2025 |
| Dickinson Commercial Properties Limited | Real estate | 2014 |
| Dickinson Consultancy Services Ltd | Professional & scientific | 2012 |
| Dickinson Philips EOT Limited | Administrative & support | 2022 |
| Dickinson Philips Ltd | Manufacturing | 2014 |
| Dickson Timber Ltd | Wholesale & retail | 2013 |
| Dignicare Limited | Health & social care | 2007 |
| Dinckley Glamping Limited | Hospitality | 2017 |
| Dino Tomasso Limited | Professional & scientific | 2012 |
| Dinsdale Moorland Specialists Limited | Construction | 2015 |
| Direct Digital Marketing Ltd | Wholesale & retail | 2010 |
| Direct Route Collections Limited | Professional & scientific | 1994 |
| Direct Route Insight Limited | Professional & scientific | 2001 |
| Divers Stuff Limited | Wholesale & retail | 2012 |
| Diving Survey and Marine Contracting Limited | Construction | 2014 |
| DJ Hideout Ltd | Agriculture & fishing | 2023 |
| Dmco Paint Ltd | Financial services | 2023 |
| DMP Drystone Walling Ltd | Construction | 2025 |
| DMP Reclaimed Stone Sales Ltd | Wholesale & retail | 2025 |
| DMS Civil and Commercial Ltd | Professional & scientific | 2022 |
| Dobway Fitness Limited | Wholesale & retail | 2024 |
| Dobway Limited | Wholesale & retail | 2024 |
| Dodgson Farms Ltd | Agriculture & fishing | 2022 |
| Dominic Driver Training Ltd | Education | 2018 |
| Domus Veritas Aurea Ltd | Real estate | 2025 |
| Dougie Lampkin Limited | Arts & recreation | 2018 |
| Dove House Consultants Ltd | Professional & scientific | 2018 |
| DPK Catering Ltd | Hospitality | 2025 |