| Angel's Gifts Ltd | Wholesale & retail | 2025 |
| Anglo Sky Travel Ltd | Wholesale & retail | 2022 |
| ANO & BEE Deliveries Ltd | Transport & logistics | 2024 |
| Anteo UK Limited | Professional & scientific | 1985 |
| Antony John Marsh Limited | Construction | 2026 |
| Anyspare Limited | Extraterritorial | 2003 |
| Anytime AV Ltd | Professional & scientific | 2022 |
| Anze Worldwide Limited | Manufacturing | 2025 |
| Aokas Huthwaite Limited | Transport & logistics | 2024 |
| AP FBA Business Limited | Wholesale & retail | 2026 |
| Apat Developments Ltd | Construction | 2023 |
| APC Technical Consultancy Ltd | Information & communication | 2025 |
| Apex Aquatics CIC | Other services | 2025 |
| Apex Audio Visual Limited | Administrative & support | 2023 |
| Appleby's Food Ltd | Hospitality | 2025 |
| Arbitrage Central Limited | Wholesale & retail | 2017 |
| ARC Steel Erecting Ltd | Manufacturing | 2025 |
| Archie.B Developments Ltd | Construction | 2020 |
| ARI Store Nottingham Ltd | Wholesale & retail | 2025 |
| Arkitech IT Limited | Information & communication | 2020 |
| Arnold Garage Limited | Wholesale & retail | 2020 |
| Artful Witch Ltd | Arts & recreation | 2024 |
| Artisan Surfaces Ltd | Construction | 2025 |
| ASB Construction (Midlands) Limited | Construction | 2019 |
| ASB Group Midlands Limited | Financial services | 2024 |
| ASB Midlands Management Limited | Financial services | 2023 |
| ASB Midlands Properties Limited | Real estate | 2023 |
| ASD Trustees Limited | Financial services | 2024 |
| Ashfield Aggregates Ltd | Extraterritorial | 2017 |
| Ashfield Blinds Ltd | Other services | 2019 |
| Ashfield Business & Property Finance Limited | Financial services | 2026 |
| Ashfield Business Centre Ltd | Hospitality | 2012 |
| Ashfield Business Services Limited | Administrative & support | 2018 |
| Ashfield Cake & Shakes Ltd | Hospitality | 2021 |
| Ashfield Cars & Recovery Limited | Wholesale & retail | 2022 |
| Ashfield Cleaning Ltd | Administrative & support | 2011 |
| Ashfield Crane Hire Limited | Extraterritorial | 2018 |
| Ashfield Dental Ltd | Health & social care | 2021 |
| Ashfield Fencing & Paving Ltd | Administrative & support | 2022 |
| Ashfield Hub Ltd | Real estate | 2013 |
| Ashfield Installations Limited | Construction | 2024 |
| Ashfield Mortgages Limited | Financial services | 2007 |
| Ashfield Promotions Ltd | Arts & recreation | 2013 |
| Ashfield School of Boxing Limited | Arts & recreation | 2020 |
| Ashfield Signs Limited | Arts & recreation | 2013 |
| Ashfield Traders Ltd | Wholesale & retail | 2025 |
| Ashfield Valeting Wholesale Ltd | Wholesale & retail | 2025 |
| Ashmere Developments (Nottinghamshire) Limited | Professional & scientific | 2008 |
| Ashmere Nottinghamshire Holding Ltd | Financial services | 2022 |
| Ashmere Nottinghamshire Limited | Health & social care | 2017 |
| Ashton Medicare Ltd | Professional & scientific | 2026 |
| Asset Precision Ltd | Water & waste | 2016 |
| Assured Aesthetics Ltd | Other services | 2022 |
| Astra Carpets Limited | Wholesale & retail | 1991 |
| Asylum Skateparks Limited | Arts & recreation | 2013 |
| Ateere's Noble Enterprise Ltd | Real estate | 2025 |
| Athlete 360 USA Ltd | Arts & recreation | 2026 |
| ATJ Properties Limited | Real estate | 2024 |
| Atkins of Hinckley Limited | Extraterritorial | 1929 |
| Auravere Group Limited | Extraterritorial | 2026 |
| Aurelita Ltd | Information & communication | 2025 |
| Automation Machinery Services Ltd | Professional & scientific | 2023 |
| Autostruct Management Ltd | Professional & scientific | 2025 |
| Avadh Properties Ltd | Real estate | 2024 |
| Avondale Business Efficiency Solutions Limited | Professional & scientific | 2012 |
| Avondale Computer Systems Ltd | Information & communication | 2010 |
| AWH Brickwork & Construction Limited | Construction | 2024 |
| Awori Consulting Ltd | Professional & scientific | 2009 |
| Axon Inc PVT Ltd | Wholesale & retail | 2026 |
| Axon Studios Ltd | Arts & recreation | 2025 |
| Ayaanaarav Ltd | Health & social care | 2023 |
| Ayaz Cafe Ltd | Hospitality | 2023 |
| B.C. (Civils) Limited | Construction | 2001 |
| Babba and Beauty Ltd | Wholesale & retail | 2025 |
| Back to Nature Skincare Limited | Extraterritorial | 2014 |
| Baggaley & Jenkins (Remedials) Limited | Construction | 1987 |
| Baggaley & Jenkins Property Limited | Real estate | 2022 |
| Baggaley & Jenkins Remedials (Holdings) Limited | Financial services | 2014 |
| Baig Quality Windows Ltd | Construction | 2023 |
| Barlows Autos Ltd | Wholesale & retail | 2025 |
| Bart Car Repairs Ltd | Wholesale & retail | 2020 |
| BCH Accountancy Limited | Professional & scientific | 2021 |
| BCS Property Developments Ltd | Real estate | 2025 |
| Beautyofthebass Events Ltd | Arts & recreation | 2023 |
| BEJ Property Management Ltd | Hospitality | 2020 |
| Bekash Tandoori INT Ltd | Hospitality | 2025 |
| Bekash Tandoori Ltd | Hospitality | 2022 |
| Bekir Ahmed Ltd | Transport & logistics | 2015 |
| Belle Body Beauty Ltd | Other services | 2019 |
| Bentley Financial Services Ltd | Financial services | 2022 |
| Berman Chauffeur Services Ltd | Transport & logistics | 2026 |
| Best Barber Derby Ltd | Other services | 2022 |
| Best Help Limited | Health & social care | 2014 |
| Best Home & Baby Limited | Wholesale & retail | 2019 |
| BESTBIG3TS Ltd | Real estate | 2025 |
| BET on Dave Ltd | Information & communication | 2016 |
| Bethel Investments Limited | Wholesale & retail | 2010 |
| Biker Stays & Accommodation Ltd | Hospitality | 2025 |
| Birchdale News Ltd | Wholesale & retail | 2017 |
| Bites Bakehouse Ltd | Wholesale & retail | 2023 |