| Al-Kavsar Ltd | Wholesale & retail | 2024 |
| Al-Khair & Al-Amal Agricultural Investment Ltd | Agriculture & fishing | 2025 |
| Al-Mahdi Association | Arts & recreation | 2017 |
| Al-Masroor Ltd | Real estate | 2025 |
| Al-Muallim Books Ltd | Other services | 2013 |
| Al-Mubarakah Investments Ltd | Financial services | 2023 |
| Al-Najar Engineers Ltd | Construction | 2023 |
| Al-Noori Halal Butchers Ltd | Wholesale & retail | 2023 |
| Al-Ogail Ltd | Education | 2021 |
| Al-Qalam Leicester (Muminat) Limited | Education | 2023 |
| Al-Qalam Leicester Limited | Education | 2020 |
| Al-Rawdah Investments Ltd | Real estate | 2017 |
| Al-Sawah Company for Mobile Phone Maintenance and Trade Ltd | Wholesale & retail | 2025 |
| Al-Shajarah Group Limited | Professional & scientific | 2016 |
| Al-Shanwani Trading Import and Export Ltd | Wholesale & retail | 2026 |
| Al-Watan Limited | Health & social care | 2025 |
| Al-Wisam Limited | Wholesale & retail | 2023 |
| Alabdali Biomedical Research Ltd | Professional & scientific | 2025 |
| Alacrity Accountancy Limited | Professional & scientific | 2003 |
| Alaia Rose Ltd UK Limited | Wholesale & retail | 2025 |
| Alamar Direct Ltd | Wholesale & retail | 2023 |
| Alamdar Design & Build Ltd | Construction | 2025 |
| Alamoh Garments Limited | Wholesale & retail | 2016 |
| Alan Barber Oadby Limited | Other services | 2026 |
| Alan Cooper Estates Limited | Real estate | 2019 |
| Alana Enterprise Ltd | Real estate | 2019 |
| Alankar Travels Limited | Administrative & support | 1985 |
| Alanna Properties Ltd | Construction | 2021 |
| Alast Finance Limited | Administrative & support | 2017 |
| Alayhan Leicester Ltd | Hospitality | 2025 |
| Alayhan Ltd | Hospitality | 2024 |
| Alayna Associates Ltd | Financial services | 2014 |
| Alayna Cosmetics and Beauty Limited | Wholesale & retail | 2018 |
| Alayna Retail Limited | Wholesale & retail | 2025 |
| ALB Cleaning Services Ltd | Other services | 2020 |
| ALB Event Management Ltd | Administrative & support | 2023 |
| Albam Limited | Real estate | 2017 |
| Albamar Properties Limited | Administrative & support | 2007 |
| Albany Insurance Brokers Limited | Financial services | 2023 |
| Albany Joinery Limited | Construction | 2016 |
| Albany Unique Ltd | Wholesale & retail | 2014 |
| Albarkat Hajj Private Ltd | Administrative & support | 2014 |
| Albarkat Properties Limited | Real estate | 2026 |
| Albarkat Welfare Trust | Health & social care | 2008 |
| Albatross Care Ltd | Health & social care | 2024 |
| Albert & Belle Ltd | Administrative & support | 2024 |
| Albert Browne Limited | Manufacturing | 1908 |
| Albert Court Management (Leicester) Limited | Households | 1982 |
| Albert E.Kempston Limited | Real estate | 1924 |
| Albert French & SON Limited | Construction | 2002 |
| Alberto Property Group Limited | Construction | 2025 |
| Alberts House Ltd | Professional & scientific | 2015 |
| Albetrose Transport Ltd | Transport & logistics | 2026 |
| Albion Employee Benefit Consultants Limited | Financial services | 2020 |
| Albion Square (Sileby) Management Company Limited | Professional & scientific | 2006 |
| Albion Street Garage Limited | Wholesale & retail | 2025 |
| Albo Dream Ltd | Construction | 2022 |
| Albour Ltd | Health & social care | 2025 |
| Albrock Ltd | Real estate | 2022 |
| Alburs Outsourcing Ltd | Administrative & support | 2024 |
| Albuss Outsourcing Limited | Wholesale & retail | 2024 |
| ALD Construction Limited | Construction | 2023 |
| Aldeby 2016 Ltd | Construction | 2016 |
| Aldeby Painting Services Co. Limited | Construction | 1975 |
| Aldeby Shot Blasting Limited | Professional & scientific | 1989 |
| Alderley Oaks Developments Ltd | Construction | 2021 |
| Aldl Limited | Other services | 2025 |
| Aldr Consulting Limited | Professional & scientific | 2025 |
| Aldrin Consultancy Ltd | Information & communication | 2019 |
| ALE Stone PUB Company Ltd | Hospitality | 2022 |
| Ale&Co Ltd | Information & communication | 2024 |
| Alec Stewart Rights Limited | Administrative & support | 2000 |
| Aleena Investments Limited | Real estate | 2012 |
| Aleena Management Ltd | Real estate | 2025 |
| Aleenaz Ltd | Wholesale & retail | 2024 |
| Aleezah Estates Limited | Real estate | 2025 |
| Alef Academy Ltd | Information & communication | 2023 |
| Alefkhancatering Ltd | Hospitality | 2024 |
| Aleiandelivery Ltd | Transport & logistics | 2025 |
| Aleks.Trans. Ltd | Transport & logistics | 2022 |
| Alerahinc Ltd | Hospitality | 2025 |
| Alert Housing Services Limited | Real estate | 2022 |
| Alessia Property Management Ltd | Real estate | 2026 |
| Alex & Martin Limited | Transport & logistics | 2015 |
| Alex 1 Holdings Ltd | Financial services | 2021 |
| Alex AV Ltd | Arts & recreation | 2024 |
| Alex Dunn Electrical Limited | Construction | 2023 |
| Alex Hamilton Consulting Ltd | Professional & scientific | 2026 |
| Alex Harris Limited | Information & communication | 2020 |
| Alex L Consulting Ltd | Information & communication | 2021 |
| Alex Power & Control Ltd | Professional & scientific | 2026 |
| Alex Real Estate Limited | Real estate | 2021 |
| Alex Torres Transport Ltd | Transport & logistics | 2019 |
| Alex Transporter PVT Limited | Transport & logistics | 2024 |
| Alex's Wish | Health & social care | 2012 |
| ALEX2004 Ltd | Wholesale & retail | 2015 |
| Alexander Asset Investments Ltd | Construction | 2015 |
| Alexander Construction Leicester Ltd | Construction | 2019 |
| Alexander Court (Glenfield) Limited | Households | 1975 |
| Alexander Developing Limited | Construction | 2011 |