| 888 Safety Solutions Ltd | Professional & scientific | 2026 |
| 898EAR Ltd | Manufacturing | 2025 |
| 92AM Ltd | Real estate | 2023 |
| 92BK Couriers Ltd | Transport & logistics | 2026 |
| @Teachertoolkit Limited | Administrative & support | 2014 |
| A & a D Hardcastle Limited | Construction | 2003 |
| A & a Property Management Ltd | Real estate | 2020 |
| A & B Real Estate Solutions Ltd | Real estate | 2024 |
| A & G Wakefield Limited | Real estate | 2021 |
| A & J Trickett Ltd | Wholesale & retail | 2022 |
| A & R Bhosale Limited | Other services | 2019 |
| A & R Imports (Manchester) Limited | Transport & logistics | 2003 |
| A / C Gostcon | Professional & scientific | 2018 |
| A AA Indian Ltd | Hospitality | 2026 |
| A B Brickworks Limited | Construction | 2021 |
| A Barber Cemetery & Crematoria Services Ltd | Other services | 2024 |
| A Brooks Property Ltd | Real estate | 2024 |
| A C Shopfitters Ltd | Construction | 2016 |
| A Click Away Ltd | Wholesale & retail | 2020 |
| A E M Building Services Limited | Real estate | 2014 |
| A G Brookes Ltd | Professional & scientific | 2022 |
| A H Ismaiel Limited | Health & social care | 2010 |
| A Hunt and Sons Property Ltd | Real estate | 2021 |
| A J Dean Management Accountants Limited | Professional & scientific | 2014 |
| A J Firth Limited | Construction | 2025 |
| A J Sykes Consultancy Limited | Professional & scientific | 2018 |
| A J Thornton Consultancy Ltd | Professional & scientific | 2017 |
| A Journey to Finding YOU Limited | Health & social care | 2022 |
| A Karch Roofing Limited | Construction | 2009 |
| A Langley Construction Services Ltd | Professional & scientific | 2024 |
| A Middleton Consultancy Ltd | Professional & scientific | 2025 |
| A Munzar Limited | Health & social care | 2009 |
| A N Fried Chicken Limited | Hospitality | 2025 |
| A P Plant & Commercials Ltd | Construction | 2019 |
| A Peachy Creation Ltd | Manufacturing | 2025 |
| A R C Appliances Limited | Wholesale & retail | 2005 |
| A R Mechanical Ltd | Professional & scientific | 2026 |
| A Scholes Joiner Limited | Construction | 2017 |
| A Star Aesthetics (Leeds) Ltd | Health & social care | 2019 |
| A Star Gym Limited | Administrative & support | 2017 |
| A Taylor Roofing Ltd | Construction | 2013 |
| A to Z Motor Spares (Wakefield) Limited | Wholesale & retail | 2013 |
| A to Z Vending Ltd | Other services | 2025 |
| A W Accounting Services Limited | Professional & scientific | 2024 |
| A&A W Yorkshire Ltd | Wholesale & retail | 2025 |
| A&A Walshaw Ltd | Financial services | 2015 |
| A&E Financial Holdings Limited Partnership | | 2008 |
| A&H Deliveries Ltd | Transport & logistics | 2025 |
| A&I Motor Services Limited | Wholesale & retail | 2015 |
| A&L Greenwood Properties Ltd | Real estate | 2023 |
| A&M Developments Leeds Ltd | Construction | 2013 |
| A&P Driving Ltd | Transport & logistics | 2016 |
| A&R Wakefield Ltd | Hospitality | 2024 |
| A&S Transport 11 Ltd | Transport & logistics | 2026 |
| A-B Tuesday Media Ltd | Hospitality | 2025 |
| A-Line Leisure Limited | Hospitality | 1993 |
| A-Ztec Bespoke Metalwork Ltd | Manufacturing | 2017 |
| A. J. R. Lynch and Company Limited | Extraterritorial | 2015 |
| A. L. F. Tiling Ltd | Construction | 2014 |
| A. Melbourne Ltd | Wholesale & retail | 2000 |
| A. Stanley Joiners Limited | Manufacturing | 2005 |
| A.G Installations Ltd | Construction | 2020 |
| A.J.Glassfibre Limited | Manufacturing | 1999 |
| A.Lawson Ltd | Hospitality | 2017 |
| A.M.W.Construction Co.Limited | Construction | 1962 |
| A.O Engineering Ltd | Professional & scientific | 2024 |
| A.P.S. Northern Limited | Construction | 2008 |
| A.R.T Electrical Ltd | Construction | 2013 |
| A.S.B. Roofing & Maintenance Limited | Construction | 2012 |
| A.S.M Independent Ltd | Wholesale & retail | 2024 |
| A.T.B. Site Services Limited | Construction | 2015 |
| A1 Diagnostics Ltd. | Health & social care | 2009 |
| A1 GAS & Heating Ltd | Construction | 2024 |
| A1 Quality LP | | 2009 |
| A1 Wakey Travel Ltd | Transport & logistics | 2025 |
| A2 Property Investments Ltd | Real estate | 2025 |
| A2P Property Ltd | Real estate | 2026 |
| A2Z Commercial Projects Limited | Construction | 2021 |
| A2Z Tuition Ltd | Education | 2022 |
| A4M Limited | Construction | 2024 |
| AA Autos Wakefield Ltd | Wholesale & retail | 2021 |
| AA Criminal Defence Ltd | Professional & scientific | 2015 |
| AA Home Solutions Ltd | Real estate | 2024 |
| AA Nica Healthcare Ltd | Health & social care | 2024 |
| AA Properties (Wakefield) Limited | Real estate | 2022 |
| Aa.Gul Ltd | Health & social care | 2023 |
| AAA Pharma Services Ltd | Wholesale & retail | 2021 |
| AAA Travel Limited | Transport & logistics | 2022 |
| AAB Trading Ltd | Wholesale & retail | 2025 |
| Aaba Enterprises Limited | Hospitality | 2026 |
| Aabikes Ltd | Wholesale & retail | 2025 |
| Aaco Holdings Ltd | Financial services | 2020 |
| AAE Engineering Ltd | Professional & scientific | 2024 |
| AAE Properties (Yorkshire) Limited | Real estate | 2018 |
| Aahk Limited | Real estate | 2022 |
| Aarkiyan Ltd | Wholesale & retail | 2025 |
| AB Bathrooms Ltd | Construction | 2023 |
| AB Shopfit Limited | Construction | 2019 |
| Abacus Finch Ltd | Manufacturing | 2021 |
| ABB Property Group Ltd | Real estate | 2026 |