| Atyourservice Yorkshire Ltd | Wholesale & retail | 2022 |
| Aura Beauty and Wellness Clinic Ltd | Other services | 2023 |
| Aurexen Ltd | Wholesale & retail | 2026 |
| Aurora Stealth Limited | Information & communication | 2020 |
| Autofoam Systems Limited | Wholesale & retail | 2005 |
| Autopitstop Limited | Wholesale & retail | 2025 |
| Autosnug Ltd | Wholesale & retail | 2025 |
| AV Bars Limited | Hospitality | 2025 |
| Avanther Solutions Ltd | Information & communication | 2024 |
| AVD Sports Academy Limited | Arts & recreation | 2013 |
| Aveyard Bespoke Carpentry Ltd | Manufacturing | 2014 |
| Avondale Training Ltd | Information & communication | 2019 |
| Away With Words Limited | Other services | 2014 |
| AWF Corporation Ltd | Wholesale & retail | 2023 |
| Axalight UK Limited | Manufacturing | 2021 |
| Axis Associates Northern Ltd | Professional & scientific | 2003 |
| Axora Construction Ltd | Construction | 2025 |
| Ayah Consulting Limited | Professional & scientific | 2025 |
| Ayanna Takeaway Limited | Hospitality | 2020 |
| AYD N TAY Limited | Transport & logistics | 2020 |
| Aytir Ltd | Wholesale & retail | 2025 |
| Azbaa Consultancy Services Limited | Information & communication | 2015 |
| Azzah Ltd | Real estate | 2024 |
| B & G Carpets Limited | Wholesale & retail | 2004 |
| B & G Leisure Gilstead Limited | Hospitality | 2025 |
| B - Sporting Limited | Wholesale & retail | 1982 |
| B H Security Services Limited | Administrative & support | 2023 |
| B L Ecology Limited | Professional & scientific | 2010 |
| B Newbold Properties Dormant Limited | Financial services | 2014 |
| B5 Bar Co Limited | Hospitality | 2025 |
| BAA Households Ltd | Wholesale & retail | 2021 |
| Backlyst Ltd | Information & communication | 2025 |
| Baila Developments Ltd | Construction | 2021 |
| Baildon Bridge Garage Limited | Wholesale & retail | 2016 |
| Baildon Communications Ltd | Wholesale & retail | 2022 |
| Baildon Community Link | Other services | 1997 |
| Baildon Enterprises LLP | | 2023 |
| Baildon Family Enterprises Limited | Real estate | 2024 |
| Baildon Farmers Market Community Interest Company | Other services | 2018 |
| Baildon Green Autos Limited | Wholesale & retail | 2019 |
| Baildon Green Property Management Ltd | Households | 2020 |
| Baildon House Property Limited | Real estate | 2021 |
| Baildon Masonic Hall Company Limited | Other services | 1953 |
| Baildon Physiotherapy Limited | Health & social care | 2014 |
| Baildon Rugby Union Football Club Limited | Arts & recreation | 2018 |
| Baildon Spice Kitchen Ltd | Hospitality | 2024 |
| Baildon Spice Ltd | Hospitality | 2021 |
| Baildon Travel Limited | Administrative & support | 2013 |
| Baildon Vehicle Services Limited | Wholesale & retail | 2008 |
| Baildon Veterinary Centre Limited | Professional & scientific | 2003 |
| Bamford Installations Ltd | Manufacturing | 2023 |
| Bannister Investments Limited | Professional & scientific | 2011 |
| Bansal Medical Properties Limited | Real estate | 2025 |
| Bansal Medical Services Ltd | Health & social care | 2022 |
| Bar Hockney Limited | Hospitality | 2025 |
| Bar Remedy Ltd | Hospitality | 2025 |
| Baraka Oils Limited | Wholesale & retail | 2025 |
| Baric Containers Limited | Manufacturing | 2021 |
| Baric Storage Limited | Transport & logistics | 2020 |
| Bart Garage (Yorkshire) Ltd | Wholesale & retail | 2025 |
| Bartek & Co UK Limited | Information & communication | 2006 |
| Bartmann Consulting Ltd | Professional & scientific | 2025 |
| Baudet Pods Limited | Manufacturing | 2012 |
| Baukost Consultants Ltd | Professional & scientific | 2020 |
| Bavinton Financial Ltd | Financial services | 2005 |
| Bay 2 Campers Limited | Wholesale & retail | 2016 |
| Bayfields (Barnard Castle) Dormant Limited | Professional & scientific | 2001 |
| Bayfields (Barnard Castle) Holdings Dormant Limited | Professional & scientific | 2016 |
| Bayfields (Clitheroe) Dormant Limited | Professional & scientific | 2015 |
| Bayfields (Harrogate) Dormant Limited | Professional & scientific | 1993 |
| Bayfields (Harrogate) Holdings Dormant Limited | Financial services | 2016 |
| Bayfields (Horsforth) Dormant Limited | Extraterritorial | 2013 |
| Bayfields (Huddersfield) Dormant Limited | Professional & scientific | 2015 |
| Bayfields (Newcastle) Dormant Limited | Professional & scientific | 1964 |
| Bayfields (Pontefract) Dormant Limited | Professional & scientific | 2011 |
| Bayfields (Staffordshire) Dormant Limited | Professional & scientific | 2016 |
| Bayfields (Univision) Dormant Limited | Professional & scientific | 2003 |
| Bayfields (Wakefield) Dormant Limited | Professional & scientific | 2012 |
| Bayfields Audiology Dormant Limited | Professional & scientific | 2002 |
| Bayfields Group Limited | Financial services | 2013 |
| Bayfields Y Limited | Wholesale & retail | 2005 |
| Bayfields Z Limited | Wholesale & retail | 2015 |
| Bcht Development Company Ltd | Construction | 2006 |
| BD Fabrications Limited | Manufacturing | 2011 |
| BD Roofing Limited | Construction | 2011 |
| Bear Boating Limited | Other services | 2011 |
| Beardedbars Limited | Hospitality | 2025 |
| Beautology Skincare Ltd | Other services | 2010 |
| Beauty Boutique (Baildon) Ltd | Other services | 2012 |
| Beauty by Lauren B Ltd | Other services | 2025 |
| Beauty Spot Holdings Limited | Financial services | 2017 |
| Beauty Spot Warehouse Limited | Wholesale & retail | 2008 |
| Bedale Holiday Cottage Ltd | Hospitality | 2017 |
| BEE Happy Kids Child Care Ltd | Health & social care | 2021 |
| BEE Relevant Marketing Ltd | Information & communication | 2020 |
| Beechbeck Properties Limited | Real estate | 1965 |
| Beechfield Design Consultancy Limited | Professional & scientific | 2013 |
| Bellisario Bar Co. Ltd | Hospitality | 2025 |
| Bells & Wells Ltd | Professional & scientific | 2026 |
| Benisoul Limited | Hospitality | 2021 |