| Algate Global Ltd | Professional & scientific | 2013 |
| Algerium Ltd | Information & communication | 2019 |
| Algs Property Group Ltd | Construction | 2026 |
| ALGT94 Limited | Financial services | 2021 |
| ALH Legal - Will Writers Ltd | Professional & scientific | 2016 |
| ALH Plumbing and Heating Ltd | Construction | 2017 |
| Alhon Limited | Real estate | 2017 |
| ALI & Akhter Holding Ltd | Financial services | 2026 |
| ALI & Co Removals Ltd | Transport & logistics | 2023 |
| ALI Accountancy Services Ltd | Financial services | 2016 |
| ALI ALI Nottingham Limited | Hospitality | 2022 |
| ALI Barbar Shop Nottingham Ltd | Other services | 2024 |
| ALI BBQ Express Ltd | Hospitality | 2025 |
| ALI Care Holding Ltd | Financial services | 2025 |
| ALI Food Store Limited | Wholesale & retail | 2018 |
| ALI G Properties Limited | Real estate | 2018 |
| ALI Investment Capital Ltd | Financial services | 2024 |
| ALI Noor Private Limited | Hospitality | 2018 |
| ALI on Fire Ltd | Hospitality | 2026 |
| ALI Pharma Locums Ltd | Administrative & support | 2015 |
| Ali's Convenience Store (Nottm) Ltd | Information & communication | 2018 |
| Ali's Fruit & Vegetables Limited | Wholesale & retail | 2025 |
| Ali's Solutions (PVT) Ltd | Real estate | 2024 |
| Aliana Business Consultants Limited | Information & communication | 2013 |
| Aliboran Takeaway Ltd | Hospitality | 2024 |
| Alicat Limited | Information & communication | 2008 |
| Alice Elizabeth Aesthetics Ltd | Other services | 2025 |
| Alicecare@Home Ltd | Health & social care | 2023 |
| Alicia's Nail Ltd | Other services | 2025 |
| Alick Fmcg Consultancy Limited | Professional & scientific | 2025 |
| Alientech Performance Ltd | Wholesale & retail | 2026 |
| Alifahidxpress Ltd | Manufacturing | 2025 |
| Aligatetrading Ltd | Wholesale & retail | 2025 |
| Alight INK Ltd | Manufacturing | 2019 |
| Alight Ministries Ltd | Other services | 2020 |
| Align and Restore Physiotherapy Ltd | Health & social care | 2025 |
| Align Business Systems Limited | Information & communication | 2010 |
| Align Cleaning Services Ltd | Administrative & support | 2026 |
| Align Healthcare Group Ltd | Health & social care | 2024 |
| Align Your Mind Tuitions Ltd | Education | 2024 |
| Aligned Ambition Ltd | Education | 2021 |
| Aligned Building Services Ltd | Professional & scientific | 2024 |
| Aligned Comforts Ltd | Wholesale & retail | 2018 |
| Alimedics Limited | Health & social care | 2013 |
| Alin X Limited | Administrative & support | 2025 |
| Alina Estates Ltd | Real estate | 2023 |
| Alipropertiesgroup Ltd | Real estate | 2026 |
| Alisa Lumen Ltd | Wholesale & retail | 2025 |
| Alison Bell Postmaster LLP | | 2022 |
| Alison Ross Financial Planning Limited | Financial services | 2014 |
| Alison’S Nail Parlour Ltd | Extraterritorial | 2022 |
| Alistair Investments Limited | Real estate | 1998 |
| Alix Ltd. | Wholesale & retail | 2019 |
| Aljaka Property Limited | Real estate | 2022 |
| Aljo Entertainment Ltd | Arts & recreation | 2025 |
| Alkaline Health Store Ltd | Wholesale & retail | 2022 |
| Alkaline Station Limited | Hospitality | 2025 |
| Alkane Engineering Ltd | Professional & scientific | 2015 |
| Alkemi Consult Limited | Professional & scientific | 2025 |
| Alkeon Tech Ltd | Information & communication | 2025 |
| Alkimi Beverage Company Limited | Manufacturing | 2021 |
| ALKM3ST Ltd | Professional & scientific | 2023 |
| Alkn Limited | Transport & logistics | 2025 |
| Alkskep Consultancy Limited | Hospitality | 2015 |
| ALL 4 FUN Limited | Arts & recreation | 2009 |
| ALL About Fencing Nottinghamshire Ltd | Construction | 2024 |
| ALL About Pet Food UK Ltd | Information & communication | 2025 |
| ALL About Tours Limited | Administrative & support | 2016 |
| ALL Above Scaffolding Ltd | Construction | 2026 |
| ALL Aspects Electrical Limited | Construction | 2016 |
| ALL Day Discounts Ltd | Wholesale & retail | 2018 |
| ALL Dimensions Property Services Limited | Agriculture & fishing | 2024 |
| ALL Ears Hearing Ltd | Wholesale & retail | 2003 |
| ALL Eco Carbon Solutions Ltd | Construction | 2023 |
| ALL Eventualities Limited | Professional & scientific | 2011 |
| ALL Fit Civils Limited | Construction | 2023 |
| ALL Fit Installations Limited | Construction | 2019 |
| ALL Flavaz Ltd | Manufacturing | 2021 |
| ALL for One Service Solutions Ltd | Other services | 2024 |
| ALL Gadgets UK Stock Ltd | Wholesale & retail | 2019 |
| ALL Good Skincare Limited | Manufacturing | 2018 |
| ALL Hair and Beauty Limited | Other services | 2024 |
| ALL Hallows Kabin CIC | Health & social care | 2018 |
| ALL Health Remit Ltd | Health & social care | 2022 |
| ALL in One Community Solutions Ltd | Financial services | 2024 |
| ALL in One OFF Licence Limited | Wholesale & retail | 2025 |
| ALL in One Property Maintenance Ltd | Construction | 2020 |
| ALL Makes Caravan Services Ltd | Wholesale & retail | 2013 |
| ALL Markings Limited | Construction | 2022 |
| ALL My Own Work Limited | Other services | 2002 |
| ALL Nations New Beginnings CIC | Health & social care | 2019 |
| ALL Naturals Botanica Ltd | Agriculture & fishing | 2025 |
| ALL Pallet Group Holdings Ltd | Real estate | 2022 |
| ALL Pallet Group Ltd | Water & waste | 2018 |
| ALL Round Commercial Cleaners Ltd | Administrative & support | 2023 |
| ALL Saints Property Management Company Limited | Households | 1990 |
| ALL Seasons Group UK Limited | Transport & logistics | 2026 |
| ALL Seasons Landscaping Services Ltd | Administrative & support | 2025 |
| ALL Shires Foods Limited | Wholesale & retail | 2006 |
| ALL Star Nottingham Limited | Real estate | 2025 |