| Articles of Faith Ltd | Wholesale & retail | 2019 |
| Artifactskraft Limited | Wholesale & retail | 2025 |
| Artis Bar Ltd | Hospitality | 2017 |
| Artis Loanco 1 PLC | Financial services | 2020 |
| Artis Technologies Limited | Information & communication | 2020 |
| Artisan 4 Limited | Hospitality | 2014 |
| Artisan Design House Limited | Arts & recreation | 2017 |
| Artisan Developments MCR Ltd | Construction | 2022 |
| Artisan Event Catering Services Ltd | Hospitality | 2024 |
| Artisan Fire & Security Limited | Construction | 2002 |
| Artisan Flooring Contractors Ltd | Construction | 2021 |
| Artisan Goods Limited | Wholesale & retail | 2026 |
| Artisan H (Kings Waterfront) Limited | Hospitality | 2006 |
| Artisan H1 Limited | Hospitality | 1995 |
| Artisan H2 Limited | Construction | 2007 |
| Artisan Properties MCR Ltd | Real estate | 2024 |
| Artisan Property Developments Limited | Construction | 2019 |
| Artisan Smile Clinic Ltd | Health & social care | 2024 |
| Artisan Technologies Limited | Information & communication | 2025 |
| Artisans (Cheshire) Ltd | Wholesale & retail | 2014 |
| Artisans Creative Building Maintenance Ltd | Construction | 2024 |
| Artisans Leather Ltd | Wholesale & retail | 2025 |
| Artist Estates Limited | Wholesale & retail | 2024 |
| Artist Music School Limited | Education | 2016 |
| Artist Operations Ltd | Arts & recreation | 2022 |
| Artist Restorations Ltd | Real estate | 2020 |
| Artista Perfetto Limited | Hospitality | 2024 |
| Artistic Fashionista Limited | Wholesale & retail | 2015 |
| Artistic Professional Co., Ltd | Wholesale & retail | 2019 |
| Artists Avenue Agency Ltd | Construction | 2010 |
| Artistusie Ltd | Arts & recreation | 2025 |
| Artizani Ltd | Arts & recreation | 2000 |
| Artizen Holdings Limited | Real estate | 2023 |
| Artizians Limited | Professional & scientific | 2017 |
| Artmcr Ltd | Arts & recreation | 2018 |
| Artmus Group Ltd | Real estate | 2025 |
| Artneer Limited | Information & communication | 2017 |
| Artoob Ltd | Wholesale & retail | 2020 |
| Artorius Wealth (UK) Limited | Professional & scientific | 2014 |
| Artorius Wealth Investment Management Limited | Financial services | 2014 |
| Artorius Wealth Limited | Financial services | 2014 |
| Artorius Wealth Management Limited | Professional & scientific | 2014 |
| Artpress CIC | Wholesale & retail | 2025 |
| Arts and Beauty Limited | Wholesale & retail | 2014 |
| Arts at the Mill CIC | Arts & recreation | 2010 |
| Arts Direct Ltd | Wholesale & retail | 2021 |
| Arts Heart Care Limited | Health & social care | 2012 |
| Arts LET Loose CIC | Education | 2020 |
| Arts Projects Ltd | Arts & recreation | 2014 |
| Artura Consultancy Ltd | Professional & scientific | 2021 |
| Arturko Ltd | Transport & logistics | 2020 |
| Artvault Ltd | Information & communication | 2020 |
| Artvitae Ltd | Real estate | 2024 |
| Artworks Manchester Limited | Administrative & support | 2017 |
| Arty Bucco Limited | Information & communication | 2015 |
| Arty Wolf Limited | Real estate | 2025 |
| Artyl Ltd | Information & communication | 2018 |
| Artyom Services Ltd | Administrative & support | 2022 |
| Aruf Group Ltd | Wholesale & retail | 2023 |
| Arunbhai Ltd | Professional & scientific | 2024 |
| Arundale Associates Limited | Professional & scientific | 2004 |
| Arundel C Parking (ACP) Ltd | Professional & scientific | 2021 |
| Arva Immigration Services Limited | Other services | 2025 |
| Arvale Investments Limited | Wholesale & retail | 2024 |
| Arvin Electrician Ltd | Construction | 2024 |
| Arvo 1 Ltd | Professional & scientific | 2024 |
| Arvs Direct Ltd | Wholesale & retail | 2025 |
| ARW Gates Limited | Manufacturing | 2015 |
| Arwa Clinic Ltd | Health & social care | 2015 |
| Arwa for Trading Ltd | Wholesale & retail | 2026 |
| Arwa H Ltd | Health & social care | 2024 |
| Arwa Maison Ltd | Manufacturing | 2025 |
| ARWA786 Limited | Wholesale & retail | 2025 |
| Arwcarsalesmcr Ltd | Wholesale & retail | 2024 |
| Arwin Limited | Wholesale & retail | 2022 |
| ARX Aurum Limited | Manufacturing | 2024 |
| ARX Consulting Limited | Professional & scientific | 2024 |
| ARX Property Group Ltd | Financial services | 2018 |
| ARX Property Solutions Ltd | Real estate | 2018 |
| Arxjr Limited | Hospitality | 2025 |
| ARY Ecom Ltd | Wholesale & retail | 2025 |
| Arya Fashion Ltd | Wholesale & retail | 2023 |
| Aryan AVA Healthcare Limited | Health & social care | 2016 |
| Aryan's Barbershop Ltd | Other services | 2019 |
| ARZ AL Makkah Real Estate and Builders Limited | Wholesale & retail | 2025 |
| ARZ Consulting Ltd | Professional & scientific | 2019 |
| ARZ Trademark Ltd. | Wholesale & retail | 2022 |
| Arzah Ltd | Wholesale & retail | 2024 |
| Arzoo Mart Ltd | Wholesale & retail | 2026 |
| Arzu Catering Ltd | Hospitality | 2017 |
| Arzymat Ltd | Wholesale & retail | 2025 |
| AS & Partners (MCR) Ltd | Professional & scientific | 2018 |
| AS Anwaar (Investments) Ltd | Real estate | 2025 |
| AS Anwaar (Lettings) Ltd | Real estate | 2025 |
| AS Anwaar (Sales) Ltd | Real estate | 2025 |
| AS Anwaar Ltd | Real estate | 2025 |
| AS Assets Ltd | Arts & recreation | 2023 |
| AS Atelier Ltd | Wholesale & retail | 2026 |
| AS Auto Assist Ltd | Wholesale & retail | 2025 |
| AS Barbers MCR Ltd | Other services | 2018 |