| A & a Holdings and Management Consultancy Limited | Financial services | 2020 |
| A & a Holdings Ltd | Professional & scientific | 1997 |
| A & a Investments (London) Ltd | Real estate | 2024 |
| A & a Mortgages Limited | Financial services | 2009 |
| A & a Rentals Ltd | Real estate | 2019 |
| A & a Superstores Limited | Wholesale & retail | 1998 |
| A & a Transport (Leic) Ltd | Transport & logistics | 2025 |
| A & a Windows (Leicester) Limited | Extraterritorial | 1998 |
| A & ARK Ltd | Information & communication | 2024 |
| A & Arul Ltd | Real estate | 2021 |
| A & B Developments GB Limited | Real estate | 2008 |
| A & B Groundworkers Ltd | Professional & scientific | 2014 |
| A & B Haulage Limited | Transport & logistics | 2014 |
| A & F JV Property Limited | Real estate | 2024 |
| A & G Caffe Vero Limited | Wholesale & retail | 2009 |
| A & G Enterprises 1 Ltd | Hospitality | 2019 |
| A & G Investments Holding Limited | Financial services | 2021 |
| A & G Property Investments Ltd | Real estate | 1993 |
| A & H Care Ltd | Health & social care | 2020 |
| A & H Garments Ltd | Manufacturing | 2019 |
| A & I Homes Ltd | Real estate | 2017 |
| A & J Autos Ltd | Wholesale & retail | 2007 |
| A & J Commercial Services Limited | Wholesale & retail | 2002 |
| A & J Group Investments Ltd | Manufacturing | 2018 |
| A & J Leics Limited | Administrative & support | 2025 |
| A & J Lesta Limited | Construction | 2025 |
| A & J MOT and Auto Repairs Limited | Wholesale & retail | 2011 |
| A & J MOT and Repairs Limited | Wholesale & retail | 2021 |
| A & M Appleby Ltd | Administrative & support | 2011 |
| A & M Cameron Ltd | Information & communication | 2020 |
| A & N Homes Limited | Real estate | 2004 |
| A & N Properties (U.K.) Ltd | Real estate | 2024 |
| A & N Roofing Contractors Ltd | Construction | 2025 |
| A & P Asset Management Limited | Professional & scientific | 2024 |
| A & P Global Limited | Hospitality | 2010 |
| A & R 360 Ltd | Extraterritorial | 2021 |
| A & R Beardsmore Limited | Hospitality | 2013 |
| A & R Hall Holdings Ltd | Financial services | 2020 |
| A & R Online Limited | Wholesale & retail | 2021 |
| A & R Rentals Ltd | Real estate | 2025 |
| A & S Express Ltd | Transport & logistics | 2009 |
| A & S J Investments Limited | Real estate | 2023 |
| A & S J Properties Ltd | Hospitality | 2025 |
| A & S Modern Arts Ltd | Wholesale & retail | 2022 |
| A & S Properties (Leic) Ltd | Real estate | 2026 |
| A & S Property Services (Leicester) Ltd | Real estate | 2017 |
| A & S School of Motoring Ltd | Education | 2010 |
| A & S Tooling (UK) Limited | Manufacturing | 2006 |
| A & T Prime Properties Ltd | Real estate | 2026 |
| A & Y Investments Limited | Real estate | 2019 |
| A & Z Events and Entertainments Network Ltd | Information & communication | 2025 |
| A & Z Investment Properties Limited | Real estate | 2013 |
| A - Connect Accountants Ltd | Professional & scientific | 2016 |
| A - Z Japanese Salvage Ltd | Wholesale & retail | 2016 |
| A .Raza Transport Limited | Transport & logistics | 2025 |
| A 2 Z Computer Shop Ltd | Manufacturing | 2018 |
| A 7 Carz Ltd | Wholesale & retail | 2025 |
| A a Communications (Leicester) Ltd | Wholesale & retail | 2017 |
| A a Haulage Limited | Wholesale & retail | 1999 |
| A a V Store Ltd | Wholesale & retail | 2022 |
| A and C Fuels Limited | Wholesale & retail | 2011 |
| A and N Healthcare Investments Ltd | Health & social care | 2023 |
| A and P Logistics Limited | Transport & logistics | 2020 |
| A and S Imports and Exports Limited | Wholesale & retail | 2011 |
| A Apparel Co Ltd | Wholesale & retail | 2025 |
| A B Adcock Landscaping Ltd | Administrative & support | 2016 |
| A B Displays Limited | Construction | 2012 |
| A B Property Maintenance and Contracts Limited | Construction | 2013 |
| A Baker Transport Limited | Transport & logistics | 2007 |
| A Barker Tree & Landscaping Specialists Ltd | Administrative & support | 2025 |
| A Bell Electrical Limited | Construction | 2021 |
| A Best Team Limited | Hospitality | 2015 |
| A C Bookkeeping Ltd | Professional & scientific | 2013 |
| A C Solutions Leicester Ltd | Manufacturing | 2009 |
| A C Underwood Limited | Transport & logistics | 2020 |
| A C Welding Limited | Professional & scientific | 2025 |
| A C Wolfe Ltd | Construction | 2025 |
| A Cave Ltd | Hospitality | 2024 |
| A Chowdhery Ltd | Wholesale & retail | 2022 |
| A Class GK Coaching Ltd | Education | 2025 |
| A Class Investments Ltd | Financial services | 2026 |
| A Cooper Complete Solutions Ltd | Construction | 2014 |
| A Culinary Herb Ltd | Hospitality | 2025 |
| A D Breaks Ltd | Hospitality | 2023 |
| A D Doshi & Co Ltd | Professional & scientific | 2016 |
| A D Gill Trading Ltd | Wholesale & retail | 2013 |
| A D S Sports Limited | Wholesale & retail | 1997 |
| A Dagia Group Ltd | Professional & scientific | 2026 |
| A Denton Decorators Limited | Construction | 2015 |
| A Duale Ltd | Health & social care | 2024 |
| A F Contractors 2022 Ltd | Administrative & support | 2018 |
| A Family Group Limited | Wholesale & retail | 2016 |
| A Form Tooling Limited | Manufacturing | 1978 |
| A Foster Electrical Ltd | Construction | 2014 |
| A G Contracting Limited | Real estate | 2016 |
| A G Investment Properties Limited | Real estate | 2017 |
| A G K Limited | Real estate | 1999 |
| A G Karim Holdings Ltd | Real estate | 2024 |
| A G Karim Properties Ltd | Real estate | 2017 |
| A G Services (Leicester) Limited | Professional & scientific | 2001 |