| Amazing Promotions L.P. | | 2011 |
| Amazing Taste Foods Ltd | Hospitality | 2026 |
| Amazing Windows and Doors Limited | Construction | 2026 |
| Amazon Capital Investments LP | | 2012 |
| Amazon Development Centre (Scotland) Limited | Information & communication | 2004 |
| Ama’S Kitchen Limited | Hospitality | 2025 |
| Ambassadors Club Limited Partnership | | 2020 |
| Ambc International Limited Partnership | | 2020 |
| Ambelco Ltd | Hospitality | 2010 |
| Ambenura Systems LP | | 2012 |
| Ambeon Enterprises LP | | 2015 |
| Amber Arts Limited | Arts & recreation | 2008 |
| Amber Bay LP | | 2017 |
| Amber Coastle LP | | 2015 |
| Amber Commerce LP | | 2020 |
| Amber Energy Partnership Limited Partnership | | 2011 |
| Amber Forma Limited | Information & communication | 2024 |
| Amber Glen Ltd | Administrative & support | 2020 |
| Amber Glen Scotch Whisky Co., Ltd | Manufacturing | 2013 |
| Amber Innovations LP | | 2015 |
| Amber LP | | 2013 |
| Amber Partnerships GP Limited | Professional & scientific | 2010 |
| Amber Takeaway Borders Limited | Hospitality | 2018 |
| Amber Takeaway Galashiels Ltd | Hospitality | 2025 |
| Amber Travel LP | | 2015 |
| Amberblue Rail Ltd | Manufacturing | 2025 |
| Amberfell Today LP | | 2017 |
| Amberfin Property Investments Ltd | Real estate | 2026 |
| Amberia LP | | 2015 |
| Amberline Development LP | | 2013 |
| Amberlot Invest LP | | 2014 |
| Ambero LP | | 2016 |
| Amberplan Limited | Transport & logistics | 2002 |
| Amberskye Investments Limited | Financial services | 2024 |
| Amberta Ltd | Wholesale & retail | 2017 |
| Ambertia Capital LP | | 2014 |
| Amberway Limited | Transport & logistics | 2002 |
| Amberwest Design LP | | 2012 |
| Ambfe LP | | 2023 |
| Ambience Homes Ltd | Real estate | 2005 |
| Ambience Properties Limited | Real estate | 2010 |
| Ambition Digital (AD) Ltd | Information & communication | 2020 |
| Ambition Supreme LP | | 2018 |
| Ambitious Advice Ltd | Information & communication | 2021 |
| Ambitious Business LP | | 2016 |
| Ambitious Gain LP | | 2016 |
| Ambitious Humans Ventures Limited | Professional & scientific | 2026 |
| Ambix Holdings Limited | Financial services | 2026 |
| Amble Intelli LP | | 2016 |
| Amble Today LP | | 2016 |
| Ambridge Traders & Co | | 1994 |
| Ambs 1 Limited | Professional & scientific | 2005 |
| Ambulante Limited | Information & communication | 2016 |
| AMC Coatings Ltd | Construction | 2024 |
| AMC Executive Travel Ltd | Administrative & support | 2024 |
| Amcbride Consulting Limited | Other services | 2022 |
| Amcc Studio Limited | Arts & recreation | 2020 |
| Amcopep | Extraterritorial | 1987 |
| Amcows 64 Limited | Wholesale & retail | 2010 |
| Amcows 66 Limited | Extraterritorial | 2014 |
| Amcows 99 Limited | Extraterritorial | 2012 |
| Amcows One | Financial services | 1991 |
| Amcs - Tech Ltd | Construction | 2025 |
| Amdc Admin Ltd | Financial services | 2025 |
| AME Backlinks Ltd | Professional & scientific | 2025 |
| AME Finance Limited | Financial services | 2025 |
| AME Marketing Ltd | Wholesale & retail | 2021 |
| AME Trans Logistics Ltd | Transport & logistics | 2018 |
| AME ZEE Ltd | Real estate | 2022 |
| Ameatax Development LP | | 2013 |
| Ameda Trade LP | | 2017 |
| Amedeo Impex LP | | 2011 |
| Amedeo TEX LP | | 2012 |
| Amel World Sales LP | | 2016 |
| Amelda Holding LP | | 2016 |
| Amelia & Co Productions Limited | Administrative & support | 2017 |
| Amelia Investments LP | | 2014 |
| Amelie Holding LP | | 2016 |
| Amelio Ventures LP | | 2013 |
| Ameliz Consulting Ltd | Professional & scientific | 2025 |
| Amenda Holding LP | | 2016 |
| Amerge Consulting Ltd | Information & communication | 2015 |
| America Square (Scotland) Limited Partnership | | 2006 |
| Americajacket Ltd | Wholesale & retail | 2020 |
| American Alliance Overseas LP | | 2013 |
| American Candy's & Soda Ltd | Wholesale & retail | 2018 |
| Americancandyworld Ltd | Wholesale & retail | 2025 |
| Amersford Inter LP | | 2012 |
| Amersfort & Tobago LP | | 2011 |
| Amerson Electrical Ltd | Construction | 2025 |
| Amertech Corporation L.P. | | 2011 |
| Amertech Services L.P. | | 2010 |
| Amesdale Industries LP | | 2012 |
| Ametek Edinburgh Holdings LP | | 2021 |
| Amethyst Transfer LP | | 2024 |
| Ametta Inter LP | | 2012 |
| Amex Corporation L.P. | | 2011 |
| Amex Global L.P. | | 2009 |
| Amex Solution L.P. | | 2009 |
| Amexa Sales L.P. | | 2013 |