| A M Majdi Ltd | Transport & logistics | 2018 |
| A M Mcintosh Ltd | Other services | 2012 |
| A M Services (Northern) Limited | Manufacturing | 2005 |
| A M Sharif Ltd | Wholesale & retail | 2013 |
| A M Sherman & Co Limited | Professional & scientific | 2010 |
| A Mahmood & Sons Ltd | Real estate | 2018 |
| A Miles Ltd | Construction | 2019 |
| A Moran Couriers Ltd | Transport & logistics | 2019 |
| A Morgan Private Limited | Health & social care | 2013 |
| A Mulligan Properties Ltd | Real estate | 2020 |
| A N Legal Property and Investments Ltd | Professional & scientific | 2023 |
| A P D Property Investments Limited | Real estate | 2014 |
| A P Mitchell Solutions Limited | Administrative & support | 2015 |
| A Phakey Ltd | Health & social care | 2017 |
| A Place Called US Ltd | Other services | 2025 |
| A Plus Interiors Ltd | Professional & scientific | 2026 |
| A Plus S Cleaning Solutions Limited | Administrative & support | 2024 |
| A Product of Limited | Other services | 2015 |
| A R Commercial Properties Ltd | Real estate | 2023 |
| A R Maintenance and Cleaning Services Ltd | Hospitality | 2016 |
| A R Site Services Limited | Construction | 2015 |
| A Rasool Limited | Health & social care | 2009 |
| A RAW Signs Limited | Construction | 2007 |
| A Rehman Motors Ltd | Wholesale & retail | 2023 |
| A Richardson Joinery Services Ltd | Construction | 2026 |
| A S Divine Foods & Services Limited | Wholesale & retail | 2023 |
| A S Innovate Designs Ltd | Professional & scientific | 2025 |
| A S Trade Sales Limited | Wholesale & retail | 2007 |
| A Sadiq Company Limited | Information & communication | 2021 |
| A Scoop of Joy Ltd | Manufacturing | 2020 |
| A Shafi Properties Ltd | Real estate | 2025 |
| A Sharma Consultancy Limited | Professional & scientific | 2015 |
| A Significant Other Limited | Health & social care | 2010 |
| A Slater Logistics Ltd | Transport & logistics | 2021 |
| A Slice of Home Ltd | Manufacturing | 2017 |
| A Smyth Holdings Limited | Financial services | 2023 |
| A Solymani Property Ltd | Real estate | 2022 |
| A Square Investments Limited | Real estate | 2018 |
| A Square Real Estate Ltd | Real estate | 2023 |
| A Star Property and Lettings Limited | Real estate | 2025 |
| A Step Above Roofing and Building Ltd | Construction | 2023 |
| A Step Above Roofing Services Ltd | Construction | 2020 |
| A Story in Motion Studios Ltd | Professional & scientific | 2026 |
| A T D Solutions Limited | Information & communication | 2003 |
| A T I Services Limited | Professional & scientific | 2021 |
| A T Reed Property Ltd | Real estate | 2025 |
| A Team Supplies Limited | Wholesale & retail | 2017 |
| A Tech Installs Ltd | Construction | 2015 |
| A Thousand Cuts Limited | Information & communication | 2019 |
| A Tinchy BIT of Sparkle Ltd | Extraterritorial | 2022 |
| A to Z Childminding Ltd | Health & social care | 2022 |
| A to Z Decoration Limited | Construction | 2025 |
| A to Z Elite GAS Services Limited | Construction | 2021 |
| A to Z Motors Yorkshire Ltd | Wholesale & retail | 2025 |
| A Touch of Weddings & Events Ltd | Administrative & support | 2023 |
| A Train (Leeds) Ltd | Financial services | 2018 |
| A W Belting Services Limited | Manufacturing | 2023 |
| A W Building (Leeds) Limited | Construction | 2014 |
| A W Enforcement Limited | Financial services | 2019 |
| A Welcome Skate Limited | Wholesale & retail | 2013 |
| A White Ltd | Professional & scientific | 2019 |
| A Young Studio Limited | Professional & scientific | 2020 |
| A&A Baltic Ltd. | Wholesale & retail | 2008 |
| A&A Electricals Ltd | Construction | 2023 |
| A&A NIJ Ltd | Real estate | 2022 |
| A&A Property and Renovations Ltd | Construction | 2022 |
| A&Amp;D Distribution Services Limited | Transport & logistics | 2019 |
| A&B Construction Leeds Ltd | Construction | 2025 |
| A&B Lawyers & Accountants Ltd | Professional & scientific | 2016 |
| A&C Consulting Services Ltd | Information & communication | 2023 |
| A&D 2024 Ltd | Transport & logistics | 2024 |
| A&F Props Ltd | Real estate | 2018 |
| A&G Functions Limited | Hospitality | 2022 |
| A&G Natural Beauty Ltd | Other services | 2023 |
| A&G Propertiees Limited | Real estate | 2024 |
| A&G Removals Ltd | Transport & logistics | 2013 |
| A&H Aura Ltd | Wholesale & retail | 2025 |
| A&H Bros Ltd | Wholesale & retail | 2018 |
| A&H Kitchen Ltd | Hospitality | 2024 |
| A&J Metal Fabrications Limited | Manufacturing | 2014 |
| A&J PM Ltd | Real estate | 2022 |
| A&J Properties (Yorkshire) Ltd | Real estate | 2018 |
| A&J Properties Leeds Ltd | Real estate | 2024 |
| A&K Swansea Property Ltd | Construction | 2023 |
| A&M Gold Buy &Sell Limited | Real estate | 2026 |
| A&M Leeds Properties Ltd | Real estate | 2022 |
| A&M Professional Solutions Ltd | Financial services | 2023 |
| A&M Properties (Yorks) Ltd | Real estate | 2023 |
| A&N Dream Homes Ltd | Real estate | 2015 |
| A&N Leeds Property Ltd | Real estate | 2025 |
| A&N United Ltd | Administrative & support | 2025 |
| A&P Build and Clean Limited | Construction | 2025 |
| A&R Cleaning and Recruitment Services Ltd | Administrative & support | 2018 |
| A&R Scaffolding Solutions Ltd | Construction | 2026 |
| A&S Ahmed Ltd | Real estate | 2026 |
| A&S Developments (Leeds) Ltd | Construction | 2017 |
| A&S Equestrian Ltd | Wholesale & retail | 2011 |
| A&S Freight Forwarding Limited | Other services | 2021 |
| A&S Holdings Leeds Ltd | Financial services | 2025 |
| A&S Leeds Properties Ltd | Real estate | 2025 |