| After Dark Ltd | Construction | 2025 |
| After Hours Residence Limited | Real estate | 2023 |
| AFU Private Limited | Wholesale & retail | 2023 |
| Afxbot Ltd | Wholesale & retail | 2022 |
| AG Building & Fencing Ltd | Construction | 2014 |
| AG Derby Street Developments Ltd | Construction | 2023 |
| AG Holdings Solution Ltd | Financial services | 2025 |
| AG Ibrahim & Sons Ltd | Wholesale & retail | 2022 |
| AG Locum Ltd | Wholesale & retail | 2022 |
| AG Properties and Investments Ltd | Real estate | 2025 |
| AG Quality Engineering Limited | Professional & scientific | 2023 |
| AG Scientific Ltd | Wholesale & retail | 2025 |
| AG Sports and Media Ltd | Professional & scientific | 2022 |
| AG Sunrise Ltd | Hospitality | 2021 |
| AGA Architectural Studio Ltd | Professional & scientific | 2022 |
| AGA Properties and Investments Ltd | Real estate | 2024 |
| AGA2 Tech Limited | Professional & scientific | 2021 |
| Aggers Media Limited | Information & communication | 2007 |
| Aggrecom Limited | Construction | 2010 |
| AGH Joinery & Building Limited | Construction | 2010 |
| Agile Information Security Limited | Information & communication | 2013 |
| Agile Solutions Group Limited | Professional & scientific | 2026 |
| AGM Program Management Ltd | Professional & scientific | 2026 |
| Agneta Ltd | Wholesale & retail | 2025 |
| Agni Property Group Limited | Real estate | 2025 |
| Agora Manufacturing Engineering Services Ltd | Professional & scientific | 2022 |
| Agora Trading System Limited | Administrative & support | 2005 |
| Agora-Direct Limited | Financial services | 2014 |
| Agri Tourism UK Ltd | Wholesale & retail | 2026 |
| Agrica Mccoy Ltd | Real estate | 2010 |
| Agricola LA Torre Holding UK Limited | Professional & scientific | 2021 |
| Agricultural Resource Consultants Ltd | Agriculture & fishing | 2023 |
| AGS6 Consulting Ltd. | Professional & scientific | 2022 |
| AGT Homes Ltd | Households | 2025 |
| Agua Investments Limited | Education | 2007 |
| Agufyuk Ltd | Wholesale & retail | 2025 |
| AGV Transport Derby Ltd | Transport & logistics | 2019 |
| AH Digital Trading Ltd | Wholesale & retail | 2018 |
| AH Estates Derby Ltd | Financial services | 2020 |
| AH Estates Holdings Ltd | Real estate | 2026 |
| AH Haulage Ltd | Transport & logistics | 2019 |
| AH Installs Ltd | Construction | 2024 |
| AH Investment Solutions Ltd | Real estate | 2017 |
| AH Legal Consultancy Ltd | Professional & scientific | 2024 |
| AH Legal Ltd | Professional & scientific | 2025 |
| AH Sourcing and Management Limited | Real estate | 2017 |
| AH1 Engineering Limited | Construction | 2019 |
| Ahad Khan Ltd | Transport & logistics | 2022 |
| AHB Studio Limited | Real estate | 2025 |
| AHG Estates Ltd | Real estate | 2024 |
| Ahiomsous Limited | Wholesale & retail | 2024 |
| AHL Cairo Lounge Limited | Hospitality | 2019 |
| AHL Property Services Limited | Construction | 2023 |
| AHM Electrical Ltd | Energy | 2023 |
| Ahmed and Ahnaf Brothers Contracting Company Limited | Wholesale & retail | 2025 |
| Ahmed Vision Care Ltd | Health & social care | 2022 |
| AHP Investments Limited | Real estate | 2021 |
| AHS Autos Ltd | Wholesale & retail | 2025 |
| AHS Builders and Joinery Limited | Manufacturing | 2026 |
| AHS Cars Ltd | Transport & logistics | 2020 |
| AHS Electrical Ltd | Construction | 2008 |
| AHT Construction Limited | Construction | 2021 |
| AHT Investments Limited | Real estate | 2021 |
| AHT Lettings Limited | Real estate | 2022 |
| AHT Property Solutions Limited | Real estate | 2020 |
| AHU Properties Ltd | Households | 2025 |
| Ahvar Jamil Limited | Transport & logistics | 2025 |
| AHW Services Limited | Information & communication | 2020 |
| AI Propco Limited | Real estate | 2026 |
| AI Proptech News Ltd | Information & communication | 2026 |
| AI Services Consulting Limited | Construction | 2014 |
| AIB (Accident Information Bureau) Limited | Administrative & support | 2025 |
| Aiden Stephen Property Ltd | Real estate | 2025 |
| AIE Painting and Decorating Limited | Construction | 2016 |
| Aieg Investments Limited | Real estate | 2017 |
| Aifmics Ltd | Transport & logistics | 2021 |
| AIM 11 Ltd | Financial services | 2024 |
| AIM Fabrications Limited | Professional & scientific | 2008 |
| AIM First Services Ltd | Health & social care | 2016 |
| AIM OLE Ltd | Professional & scientific | 2017 |
| AIM Qualifications and Assessment Group | Education | 2004 |
| AIM Renovations Limited | Construction | 2024 |
| Aimee Marie Hair & Aesthetics Ltd | Other services | 2021 |
| Aimz Transport Ltd | Transport & logistics | 2025 |
| AIN Aoun Brothers Limited | Administrative & support | 2024 |
| Aiphion Ltd | Professional & scientific | 2016 |
| Air Analytics Ltd | Professional & scientific | 2019 |
| Air Buildings Limited | Financial services | 2005 |
| Air GB Engineering Ltd | Professional & scientific | 2017 |
| Air Insight Limited | Financial services | 2025 |
| Air Power Aerospace Technologies Limited | Manufacturing | 2003 |
| Air Power Automotive Technologies Limited | Administrative & support | 2003 |
| Air Power Green Energy Technologies Limited | Professional & scientific | 2009 |
| Air Power Green Town Technologies Limited | Professional & scientific | 2009 |
| Air Power Marine Technologies Limited | Administrative & support | 2003 |
| Air Power Technologies Group Limited | Administrative & support | 2003 |
| Air Traffic Data Systems Ltd | Information & communication | 2025 |
| Aira Services Limited | Information & communication | 2023 |
| Airbagsforsale.Com Limited | Wholesale & retail | 2002 |
| Airborne Boost Ltd | Real estate | 2021 |