| Concept Design (Kitchens & Bedrooms) Limited | Wholesale & retail | 2006 |
| Connectrfid Ltd | Information & communication | 2006 |
| Consulting and Sales Ltd | Professional & scientific | 2015 |
| Craig Kidd Limited | Wholesale & retail | 2017 |
| Cridling Limited | Manufacturing | 2022 |
| Crystals and Healing Limited | Wholesale & retail | 2020 |
| Csoka Ltd | Other services | 2023 |
| Custom Textile Panels Ltd | Wholesale & retail | 2023 |
| Cyrio Ltd | Administrative & support | 2022 |
| D & L Developments (Yorkshire) Limited | Construction | 1995 |
| D Dance Theatre CIC | Administrative & support | 2017 |
| D Gawthrope ACR Limited | Wholesale & retail | 2009 |
| D.C.G. Tree Surgery Limited | Agriculture & fishing | 2002 |
| Dalestone Properties Ltd | Construction | 2008 |
| Danewalk Kennels Limited | Agriculture & fishing | 2015 |
| Darin Omer Ltd | Other services | 2018 |
| Dariqus Limited | Agriculture & fishing | 2018 |
| Davies (S&B) Property Ltd | Real estate | 2023 |
| DB UK Builders Ltd | Construction | 2015 |
| Ddndt Limited | Professional & scientific | 2009 |
| Deakin Autos Limited | Wholesale & retail | 2023 |
| Deja!Jewels Ltd | Wholesale & retail | 2025 |
| Deliver IT 4U Limited | Transport & logistics | 2019 |
| Delta Academies Charitable Trust | Education | 2009 |
| Delta Academies Services Limited | Education | 2007 |
| Delta Academies Trust | Education | 2010 |
| Delta MOT and Service Centre Ltd | Manufacturing | 2016 |
| DK Zajson Gyros Ltd | Hospitality | 2025 |
| DMC Logistics Services Ltd | Construction | 2024 |
| Dragos Trans 10 Ltd | Transport & logistics | 2019 |
| Draig Turbine and Blading Services Ltd | Professional & scientific | 2026 |
| DSL Real Estate Ltd | Real estate | 2026 |
| Duck EGG Theatre Company Ltd. | Arts & recreation | 2011 |
| Dumytrans Limited | Transport & logistics | 2016 |
| DW Inspection Services Limited | Professional & scientific | 2017 |
| Dystopianpages Limited | Wholesale & retail | 2026 |
| Eagle Health Ltd | Health & social care | 2018 |
| EHV Consult Limited | Professional & scientific | 2025 |
| EJ Properties Ltd | Real estate | 2024 |
| Elite Data Cabling Ltd | Construction | 2026 |
| Enholmes One Limited | Real estate | 2019 |
| EO Football Logistics Ltd | Arts & recreation | 2020 |
| Ethan Iris Limited | Real estate | 2025 |
| European Federation of Tank Cleaning Organisations | Other services | 1999 |
| Explore Fitness Limited | Extraterritorial | 2020 |
| F a Smales Ltd | Construction | 2025 |
| Farrars Fire Systems Ltd | Construction | 2015 |
| Farrar’S Fire Protection Engineers Limited | Public administration | 2023 |
| Featherstone Newsagent Ltd | Wholesale & retail | 2019 |
| Ferrybridge Hand Car Wash Ltd | Administrative & support | 2024 |
| Fibre Dance & Acrobatics Ltd | Arts & recreation | 2019 |
| Fifty Three Automotive Limited | Wholesale & retail | 2024 |
| Five Towns Health Limited | Health & social care | 2016 |
| FJ Attire Ltd | Wholesale & retail | 2024 |
| Fleetclean Holdings Limited | Financial services | 2024 |
| Flexvill Ltd | Transport & logistics | 2023 |
| FMC Health Solutions Limited | Health & social care | 2005 |
| Foster Property Services Ltd | Construction | 2025 |
| FOX and MAY Ltd | Hospitality | 2026 |
| Fox&Cox Productions Ltd | Information & communication | 2021 |
| Franc Haulage Ltd | Transport & logistics | 2025 |
| Freedom Home Care Ltd | Health & social care | 2021 |
| George Gartside Limited | Construction | 2014 |
| GET the Round in Limited | Hospitality | 2024 |
| Gillian & Baines Limited | Manufacturing | 2004 |
| Golf Play and Stay Ltd | Administrative & support | 2026 |
| Great Affordable Food Services Ltd | Hospitality | 2013 |
| Green Fingers Lawncare Ltd | Extraterritorial | 2021 |
| Green GAS Services Limited | Construction | 2023 |
| Green Olive Mortgage Solutions Ltd | Financial services | 2023 |
| Grinding Services Engineering Limited | Professional & scientific | 2014 |
| Gringo's Services Ltd | Construction | 2025 |
| GTE Custom Vans Limited | Wholesale & retail | 2019 |
| GW Contract Services Ltd | Other services | 2025 |
| GWA Engineering UK Ltd | Manufacturing | 2008 |
| H Kong Express Limited | Hospitality | 2025 |
| Half Price Ltd | Wholesale & retail | 2025 |
| Hambleton Consultants Ltd | Construction | 2018 |
| Hammerpaw Hosting Limited | Wholesale & retail | 2024 |
| Happy Healthcare Limited | Health & social care | 2021 |
| Hardcastle Amenity Ltd | Administrative & support | 2012 |
| Harry's Bar Yorkshire Limited | Hospitality | 2020 |
| Hayar Property Group Ltd | Real estate | 2026 |
| High Horse Retail Limited | Wholesale & retail | 2021 |
| Hirelink Recruitment Ltd | Administrative & support | 2026 |
| HJP FBA Ltd | Wholesale & retail | 2025 |
| HLR Scaffolding Ltd | Construction | 2019 |
| HM Facilities Ltd | Information & communication | 2011 |
| Holmfields Plant Centre Limited | Wholesale & retail | 2009 |
| Howabout IT Limited | Information & communication | 1998 |
| Humanitarian Education Ltd | Education | 2025 |
| I Kaye Flooring Ltd | Wholesale & retail | 2012 |
| I.H. Motorhomes Limited | Manufacturing | 2001 |
| IJB Finance Limited | Financial services | 2023 |
| Infosoil Limited | Construction | 2010 |
| Inkfuse DTF Transfers Ltd | Manufacturing | 2023 |
| Inkfusedtf Ltd | Manufacturing | 2022 |
| Inrail Group Ltd | Financial services | 2023 |
| Inrail Training Ltd | Education | 2023 |
| Inskip Property Ltd | Real estate | 2023 |