| Arrow Global Management Limited | Extraterritorial | 2010 |
| Arrow Global Massey Limited | Other services | 2013 |
| Arrow Global MGA UK Holding Limited | Financial services | 2026 |
| Arrow Global One Limited | Financial services | 2013 |
| Arrow Global Portugal Investments Limited | Financial services | 2014 |
| Arrow Global Portugal Limited | Financial services | 2010 |
| Arrow Global Receivables Management Limited | Financial services | 2006 |
| Arrow Innovation Services Limited | Information & communication | 2020 |
| Arrow Law Limited | Professional & scientific | 2019 |
| Arrow Management Solutions Ltd | Professional & scientific | 2015 |
| Arrow Printing & Packaging Limited | Manufacturing | 1986 |
| Arrow Property Investments Limited | Professional & scientific | 1999 |
| Arrow Redstar Ltd | Other services | 2016 |
| Arrow Shark Ltd | Hospitality | 2025 |
| Arrow SMA LP Limited | Other services | 2019 |
| Arrow Supplies Limited | Hospitality | 2013 |
| Arrowe Security Services Limited | Administrative & support | 2018 |
| Arrowebrook Engineering (Wallasey) Limited (the) | Manufacturing | 1973 |
| Arrowgate UK Limited | Administrative & support | 2020 |
| Arrowmere Capital (Lancaster) Limited | Real estate | 1988 |
| Arrowmere Capital 1 Limited | Real estate | 2009 |
| Arrowmere Capital 2 Limited | Real estate | 2007 |
| Arrowmere Capital 3 Limited | Real estate | 2008 |
| Arrowmere Capital 4 Limited | Real estate | 2008 |
| Arrowmere Capital 5 Limited | Real estate | 2008 |
| Arrowmere Capital 6 Limited | Real estate | 2012 |
| Arrowmere Capital 7 Limited | Real estate | 2006 |
| Arrowmere Capital 8 Limited | Real estate | 2005 |
| Arrowmere Capital 9 Limited | Real estate | 2005 |
| Arrowmere Holdings Limited | Professional & scientific | 2000 |
| Arrowmere Real Estate Ltd | Real estate | 2014 |
| Arrowsmith Eyecare Ltd | Wholesale & retail | 2019 |
| Arry's Sneakers Ltd | Wholesale & retail | 2019 |
| ARS Imports Limited | Wholesale & retail | 2024 |
| Arsa Cars Limited | Transport & logistics | 2026 |
| Arsalan Khan Ltd | Wholesale & retail | 2025 |
| Arsalanshou Ltd | Wholesale & retail | 2025 |
| Arsh Enterprises Ltd | Wholesale & retail | 2018 |
| Arsh Estates Ltd | Real estate | 2024 |
| Arsh Tech Solutions Ltd | Information & communication | 2026 |
| Arshad for Commercial Services Ltd | Other services | 2024 |
| Arshad for International Trading Ltd | Wholesale & retail | 2024 |
| Arshad Group PVT Limited | Administrative & support | 2026 |
| Arshad Munir Instructor Ltd | Education | 2024 |
| Arshad Rafiq Longridge Limited | Health & social care | 2019 |
| Arshadmunir MCR Ltd | Wholesale & retail | 2025 |
| Arshia Jewellers Ltd | Wholesale & retail | 2023 |
| Arslan Restaurants and Catering Limited | Hospitality | 2018 |
| Art & Arquitectural Ltd | Administrative & support | 2018 |
| Art Advice Ltd | Wholesale & retail | 2017 |
| Art and Culture Translated Ltd | Professional & scientific | 2015 |
| Art Best Design Ltd | Information & communication | 2019 |
| Art Dress Limited | Wholesale & retail | 2024 |
| Art Gymwear Ltd | Wholesale & retail | 2026 |
| Art Industrial Developments Limited | Construction | 2019 |
| Art Laboratories Limited | Information & communication | 2012 |
| Art ME Ltd | Arts & recreation | 2016 |
| Art Mini Market Ltd | Wholesale & retail | 2026 |
| Art of Survey Ltd | Administrative & support | 2019 |
| Art of Tea Leisure Holdings Limited | Financial services | 2010 |
| Art of Time Ltd | Wholesale & retail | 2022 |
| Art Property Group Ltd | Real estate | 2015 |
| Art Providers Ltd | Professional & scientific | 2018 |
| Art Skills Centre Ltd | Information & communication | 2022 |
| Art Space Limited | Education | 2013 |
| Art Studio London Limited | Information & communication | 2008 |
| Art Table Ltd | Education | 2022 |
| Art.Tex Ltd | Manufacturing | 2021 |
| Arta Commercial Holdings Limited | Real estate | 2025 |
| Artal (Monitoring) Ltd | Professional & scientific | 2016 |
| Artal (North) Limited | Construction | 2017 |
| Artal Board Company Ltd | Wholesale & retail | 2025 |
| Artal EOT Limited | Professional & scientific | 2024 |
| Artal Group Limited | Financial services | 2024 |
| Artal Holdings Limited | Financial services | 2020 |
| Artal Ltd | Construction | 2013 |
| Artam Takeaway Limited | Hospitality | 2025 |
| ARTBI12 Limited | Wholesale & retail | 2017 |
| Artcom Limited | Professional & scientific | 2015 |
| Arteafinity Ltd | Manufacturing | 2019 |
| Artec Fire Ltd | Professional & scientific | 2022 |
| Artech Reduction Technologies Limited | Manufacturing | 2003 |
| Artemis Beauty House Ltd | Other services | 2025 |
| Artemis Creative Solutions Ltd | Professional & scientific | 2022 |
| Artemis Edge Limited | Professional & scientific | 2007 |
| Artemis Group Investments Limited | Real estate | 2025 |
| Artemis Orthopaedic Services Limited | Health & social care | 2026 |
| Arter Healthcare Ltd | Health & social care | 2025 |
| Artesian Waters Ltd | Manufacturing | 2023 |
| Artform Architects Ltd. | Professional & scientific | 2018 |
| Artful Aesthetics by Rebecca H Ltd | Health & social care | 2022 |
| Artful Lodger Limited | Real estate | 2019 |
| Artfuls Ltd | Hospitality | 2019 |
| Artgallerystyle Ltd | Administrative & support | 2023 |
| Arthromed Limited | Administrative & support | 2016 |
| Arthur & Isabella's Ltd | Hospitality | 2019 |
| Arthur Commercial Trade Limited | Wholesale & retail | 2021 |
| Arthur Giles and Sons Limited | Transport & logistics | 1937 |
| Arthur Paul Ltd | Real estate | 2025 |
| Arthurris Enterprise Ltd | Construction | 2026 |