| Amafloria Ltd | Wholesale & retail | 2018 |
| Amaira Holdings Ltd | Wholesale & retail | 2017 |
| Amaira Private Ltd | Wholesale & retail | 2025 |
| Amakhofi Limited | Manufacturing | 2020 |
| Amala EKO Ltd | Hospitality | 2025 |
| Amalaki Developments Ltd | Construction | 2021 |
| Amalita Ltd | Health & social care | 2018 |
| Aman Builders Ltd | Construction | 2019 |
| Aman Capital Ltd | Financial services | 2023 |
| Aman Consulting Limited | Health & social care | 2022 |
| Aman Investments Ltd | Real estate | 2015 |
| Aman Jewellers UK Ltd | Wholesale & retail | 2025 |
| Aman Transport Services Ltd | Transport & logistics | 2023 |
| Amanah Advisors Ltd | Professional & scientific | 2017 |
| Amanah Capital Limited | Real estate | 2024 |
| Amanah Holdings Ltd | Real estate | 2024 |
| Amanah Services Ltd | Transport & logistics | 2024 |
| Amanak General Contracting Ltd | Construction | 2025 |
| Amanbill Renovations Limited | Construction | 2020 |
| Amani & Co Wholesale Ltd | Wholesale & retail | 2026 |
| Amani First Healthcare Ltd | Health & social care | 2023 |
| Amani Holdings Ltd | Construction | 2021 |
| Amani T Property Limited | Construction | 2025 |
| Amanna Courses Ltd | Information & communication | 2026 |
| Amantran Property Ltd | Real estate | 2024 |
| Amanzi Ltd | Health & social care | 2024 |
| Amar Building Ltd | Construction | 2011 |
| Amar Logistics Ltd | Transport & logistics | 2015 |
| Amara Jewels Limited | Wholesale & retail | 2025 |
| Amara's Kitchen Ltd | Hospitality | 2025 |
| Amarii Limited | Wholesale & retail | 2024 |
| Amarillo Twenty Limited | Financial services | 2018 |
| Amarine Trans Ltd | Transport & logistics | 2017 |
| Amaryan Investments Limited | Real estate | 2021 |
| Amaryan Properties Limited | Real estate | 2021 |
| Amasof Ltd | Administrative & support | 2024 |
| Amax Crown Ltd | Real estate | 2017 |
| Amax Investments Ltd | Real estate | 2014 |
| Amazehomes Ltd | Real estate | 2022 |
| Amazing Forest Limited | Manufacturing | 2015 |
| Amazing LEO Ltd | Financial services | 2025 |
| Amazing Sweets Ltd | Wholesale & retail | 2022 |
| Amazing Thailand Limited | Health & social care | 2021 |
| Amazon Dyers Limited | Manufacturing | 2009 |
| Amazon FBA Ltd | Wholesale & retail | 2026 |
| Amazone Fabrics Limited | Wholesale & retail | 2013 |
| Amazonica Flooring Ltd | Construction | 2023 |
| AMB Marketing Consultancy Limited | Professional & scientific | 2015 |
| AMB Property Investments Ltd | Real estate | 2020 |
| AMB Spectrum Ltd | Health & social care | 2015 |
| AMB2 Distribution Ltd | Wholesale & retail | 2023 |
| Amba Transport Limited | Transport & logistics | 2013 |
| Ambam Services Limited | Professional & scientific | 2017 |
| Ambe Property Investments Limited | Real estate | 2018 |
| Amber Insurance Management Ltd | Financial services | 1993 |
| Amber Investments (1930) Limited | Financial services | 2023 |
| Amber Nectar Financial Services Limited | Professional & scientific | 2026 |
| Amber Shine Ltd | Other services | 2025 |
| Amber Valley Total Care Ltd | Health & social care | 2013 |
| Amber's Properties Ltd | Real estate | 2018 |
| Ambermemo Films Limited | Information & communication | 2017 |
| Amberwood Care Home Limited | Health & social care | 2005 |
| Amberwood Property Development Company Ltd | Real estate | 2020 |
| Ambidextrous Sports Management Ltd | Arts & recreation | 2022 |
| Ambika Automotive Limited | Wholesale & retail | 2026 |
| Ambird Systems Limited | Manufacturing | 2026 |
| Ambition Safe Holding Ltd | Public administration | 2022 |
| Ambition Sports Coaching Ltd | Education | 2021 |
| Ambling Alpacas Ltd | Agriculture & fishing | 2023 |
| Ambre Designs Limited | Manufacturing | 2017 |
| Ambre World Limited | Manufacturing | 2025 |
| Ambro Trading Ltd | Wholesale & retail | 2025 |
| Ambush Events Ltd | Arts & recreation | 2022 |
| Ambutrust Limited | Health & social care | 2023 |
| AMC Analytics Limited | Administrative & support | 2009 |
| AMC Homes Limited | Real estate | 2018 |
| AMC1 Consultancy Ltd | Professional & scientific | 2019 |
| Amcap Investments Ltd | Real estate | 2020 |
| Amcc Services Limited | Real estate | 2016 |
| Amccs Holdings Limited | Real estate | 2024 |
| Amci Services Limited | Wholesale & retail | 2022 |
| Amcsa Limited | Real estate | 2024 |
| AMD Assets Limited | Real estate | 2017 |
| AMD Four Wheel Drive Limited | Wholesale & retail | 2008 |
| AMD Kagera Ltd | Construction | 2010 |
| AMD Social Care Consultants Ltd | Professional & scientific | 2025 |
| Amdas Ltd | Real estate | 2023 |
| Amdistros Ltd | Wholesale & retail | 2026 |
| Amdp Services Limited | Professional & scientific | 2022 |
| Amdress Limited | Administrative & support | 2024 |
| Amdy Investments Limited | Real estate | 2023 |
| Amedics Clinic Ltd | Health & social care | 2019 |
| Amedics Holdings Ltd | Health & social care | 2022 |
| Amedics Property Solutions Ltd | Real estate | 2022 |
| Ameeni Solutions Limited | Information & communication | 2025 |
| Amelgo Ltd | Wholesale & retail | 2017 |
| Amelia Boutique Ltd | Arts & recreation | 2024 |
| Amelia-Maria Ltd | Transport & logistics | 2018 |
| Amemon Ltd | Health & social care | 2026 |
| Amena Khan Ltd | Other services | 2015 |