| Agbekeartistry Limited | Manufacturing | 2025 |
| Agbna Limited | Health & social care | 2024 |
| AGC Category Consulting Ltd | Professional & scientific | 2020 |
| Agcc Consulting Ltd | Professional & scientific | 2025 |
| AGE Concern Nottingham and Nottinghamshire | Health & social care | 2010 |
| AGE Gracefully Limited | Health & social care | 2013 |
| AGE UK Local Trading Limited | Extraterritorial | 1995 |
| AGE UK Nottingham & Nottinghamshire | Administrative & support | 1997 |
| AGE UK Notts MEN in Sheds CIC | Health & social care | 2018 |
| AGE Well Medical Technologies Ltd | Professional & scientific | 2021 |
| Ageas Inshur Services Ltd | Financial services | 2026 |
| Agelec Limited | Construction | 2008 |
| Agency Thirty Seven Limited | Professional & scientific | 2013 |
| Agency Without Walls Limited | Professional & scientific | 2019 |
| Agengenv Nigel Penlington Consulting Ltd | Agriculture & fishing | 2019 |
| Agent International Ltd | Professional & scientific | 2017 |
| AGENT360 Ltd | Real estate | 2023 |
| AGG Customs Ltd | Wholesale & retail | 2025 |
| AGG Notts Construction Ltd | Construction | 2024 |
| Aggregated Intelligence Limited | Information & communication | 2024 |
| AGH Properties Limited | Real estate | 2013 |
| Aghoco 1566 (Bidco) Limited | Professional & scientific | 2017 |
| Aghoco 1578 (Midco) Limited | Professional & scientific | 2017 |
| Aghoco 1579 (Topco) Limited | Professional & scientific | 2017 |
| AGI Investment Group Limited | Real estate | 2022 |
| Agik Ltd | Information & communication | 2024 |
| Agile BAU Ltd | Administrative & support | 2016 |
| Agile DAD Ltd | Professional & scientific | 2019 |
| Agile Digital Production Limited | Professional & scientific | 2015 |
| Agile Hippo Limited | Information & communication | 2015 |
| Agile Horizons Limited | Information & communication | 2023 |
| Agile Logistics Ltd | Transport & logistics | 2020 |
| Agile Manufacturing Power Systems Ltd | Manufacturing | 2021 |
| Agility Change Projects Limited | Professional & scientific | 2022 |
| Agility Fleet (Personal Leasing) Limited | Financial services | 2008 |
| Agility Fleet Holdings Limited | Administrative & support | 2020 |
| Agility Fleet Limited | Extraterritorial | 2012 |
| Agility Group (UK) Limited | Professional & scientific | 2011 |
| Agility HK Limited | Hospitality | 2026 |
| Agility Life Sciences Limited | Other services | 2012 |
| Agility UK Limited | Wholesale & retail | 2004 |
| Agirda Limited | Wholesale & retail | 2022 |
| Agis Engineering Ltd | Extraterritorial | 2024 |
| AGL Holdings GRP Limited | Real estate | 2015 |
| AGM UK Construction Limited | Construction | 2025 |
| Agora South Notts Limited | Real estate | 2022 |
| AGR (2023) Limited | Health & social care | 2023 |
| Agrb Marketing Ltd | Professional & scientific | 2021 |
| Agri Block Ltd | Wholesale & retail | 2019 |
| Agri Consultancy Limited | Professional & scientific | 2019 |
| Agronomy Connection Limited | Agriculture & fishing | 1996 |
| Agrovista UK Limited | Agriculture & fishing | 1998 |
| AGS Removals Ltd | Wholesale & retail | 2021 |
| AGS Retail Services Ltd | Information & communication | 2026 |
| Agsense Limited | Agriculture & fishing | 2016 |
| Agshairdressing Ltd | Other services | 2022 |
| AGT Estates Limited | Real estate | 2019 |
| AH (Nottingham) Limited | Real estate | 2020 |
| AH Cabs 4 U Ltd | Transport & logistics | 2025 |
| AH Lancer Consulting Limited | Professional & scientific | 2024 |
| AH Lancer Holdings Limited | Financial services | 2025 |
| AH Real Estate SPV1 Limited | Real estate | 2025 |
| AHA Foods & Distributors Ltd | Wholesale & retail | 2025 |
| AHA Real Estate & Decorator Ltd | Transport & logistics | 2023 |
| AHA Traders Ltd | Hospitality | 2021 |
| Ahadali Ltd | Health & social care | 2019 |
| Ahavah Home Care Ltd | Health & social care | 2026 |
| AHB Nottingham Ltd | Construction | 2024 |
| Ahiam Limited | Wholesale & retail | 2022 |
| Ahij UK Ltd | Information & communication | 2021 |
| Ahlan Ltd | Real estate | 2025 |
| AHM Hvacr Services Ltd | Construction | 2026 |
| Ahmad & Shams Ltd | Health & social care | 2025 |
| Ahmad Consulting Ltd | Information & communication | 2022 |
| Ahmad Property Care Limited | Real estate | 2015 |
| Ahmed Construction Ltd | Construction | 2016 |
| Ahmed Enterprise Nottingham Ltd | Hospitality | 2022 |
| Ahmed Selo Construction Limited | Construction | 2025 |
| Ahmedcinematics Ltd | Professional & scientific | 2025 |
| AHP Contracts Ltd | Administrative & support | 2011 |
| AHR Residences Limited | Real estate | 2026 |
| AHS & Sons Limited | Hospitality | 2013 |
| AHS Hire Ltd | Transport & logistics | 2023 |
| Ahsan Cuts Ltd | Other services | 2025 |
| AHW Properties Limited | Professional & scientific | 2017 |
| AHW Trustees Limited | Real estate | 2022 |
| AHW Van Removals Ltd | Transport & logistics | 2025 |
| AHW Ventures Limited | Professional & scientific | 2017 |
| Ahylton Holdings Ltd | Financial services | 2025 |
| AHZ Enterprise Limited | Health & social care | 2021 |
| Ahza Consultancy Ltd | Information & communication | 2020 |
| AI & Data Science Solutions Ltd | Information & communication | 2023 |
| AI & Properties Limited | Real estate | 2024 |
| AI Boffin Hub Ltd | Information & communication | 2025 |
| AI Group Holdings Limited | Financial services | 2020 |
| AI Group Management Services Ltd | Wholesale & retail | 2020 |
| AI House Hunters Ltd | Real estate | 2024 |
| AI Imperium Ltd | Information & communication | 2025 |
| AI Legacy Holdings Ltd | Real estate | 2019 |
| AI Management Agency LLP | | 2025 |