| Arjun Catering Limited | Smethwick | 2015 |
| Arjun Foods Ltd | Preston | 2025 |
| Arjun's Anglo-Indian Kitchen&Bar Limited | St. Helens | 2023 |
| Arjun's Catering Ltd | Sutton Coldfield | 2026 |
| Arjunli Limited | Swindon | 2024 |
| ARK (N.East) Limited | Wallsend | 2018 |
| ARK After Dark Ltd | Salisbury | 2026 |
| ARK Apartments Ltd | Aberdeen | 2022 |
| ARK Bistro Ltd | Gullane | 2025 |
| ARK Commercial Investment Limited | Edinburgh | 2015 |
| ARK Eats Limited | Stirling | 2026 |
| ARK Events Ltd | Greenwich | 2019 |
| ARK Foods Bognor Regis Ltd | West Sussex | 2024 |
| ARK Guard Ltd | Dartford | 2021 |
| ARK Halal Certification Authority Limited | Leeds | 2016 |
| ARK Hospitality Limited | South Ruislip | 2010 |
| ARK Hotels Ltd | Slough | 2024 |
| ARK Housing & Support Ltd | Birmingham | 2023 |
| ARK Indian Dining and Bar Limited | Birmingham | 2020 |
| ARK Inns(Paignton) Limited | Totnes | 2018 |
| ARK INVESTMENT1 Ltd | Wirral | 2025 |
| ARK Kitchen LAB Ltd | Manchester | 2026 |
| ARK Malik Foods Limited | Oxford | 2024 |
| ARK Management Company (Farnham) Limited(The) | Farnham | 1985 |
| ARK Property Investments Ltd | London | 2010 |
| ARK Resettlement Services | London | 2013 |
| ARK Serviced Accommodation Ltd | Sheffield | 2020 |
| ARK Services Limited | Edinburgh | 2000 |
| ARK Short Stays Management Ltd | Sheffield | 2022 |
| ARK Visionary Limited | Bristol | 2021 |
| ARK442 Limited | Fitzrovia | 2025 |
| Arka House Ltd | Southsea | 2024 |
| Arkaan Limited | Chelmsford | 2014 |
| Arkade Food Ltd | Bristol | 2023 |
| Arkan Foods Ltd | Newcastle Upon Tyne | 2020 |
| Arkangel Group Limited | Peterborough | 2021 |
| Arkansas Fried Chicken Ltd | Rochdale | 2025 |
| Arkdeal Ltd | Bedworth | 2019 |
| Arkez Ltd | Sheffield | 2024 |
| Arkham Leisure Limited | Blackpool | 2018 |
| Arkhive Limited | South Yorkshire | 1999 |
| Arkholme Good Times Limited | Carnforth | 2013 |
| Arkhouse Inn Ltd | Stranraer | 2018 |
| Arki's Fish Bar Limited | Birmingham | 2012 |
| Arkid Food Group Ltd | Birmingham | 2024 |
| Arkik Services Ltd | Bournemouth | 2026 |
| Arklay Foods Ltd | Dundee | 2020 |
| Arkle House Limited | Cheltenham | 2010 |
| Arkles PUB Ltd | Ellesmere | 2025 |
| Arkless Enterprises Ltd | Stranraer | 2025 |
| Arkley Estates Limited | Crawley | 1970 |
| Arkro Limited | Harrow | 2026 |
| Arks Apartments UK Limited | Northampton | 2020 |
| Arks Budget Apartments Limited | Northampton | 2020 |
| Arks Restaurants Limited | Edgware | 2021 |
| Arksm Ltd | Pinner | 2021 |
| Arkwright Miners Welfare Social Club Limited | Chesterfield | 2003 |
| Arkwrights Bar Limited | Belper | 2014 |
| ARL Cafe Ltd | London | 2025 |
| ARL Events Ltd | Poulton-Le-Fylde | 2026 |
| ARL Group Limited | London | 2019 |
| Arla Cafe Ltd | Ilford | 2025 |
| Arlaadi Ltd | London | 2023 |
| Arlac Limited | London | 2017 |
| Arlan Group Limited | London | 2018 |
| Arlana Limited | Diss | 2000 |
| Arlanfor Holdings Limited | Stockport | 2019 |
| Arle Lodge Ltd | London | 2004 |
| Arlease Limited | London | 2023 |
| Arleo Property Group Ltd | Tunbridge Wells | 2025 |
| Arlesey Fish & Chips Ltd | Enfield | 2023 |
| Arlesey Spice Ltd | Arlesey | 2025 |
| Arleston Bookings Limited | Derby | 2024 |
| Arlev CLS Ltd | Chester Le Street | 2026 |
| Arleverholdings Ltd | Nottingham | 2025 |
| Arley Foods Limited | Wilmslow | 2020 |
| Arley Hill Ventures Limited | Cambridge | 2021 |
| Arley House & Gardens Ltd | Bewdley | 2015 |
| Arlie Bass Limited | Isleworth | 2019 |
| Arlington Hotel (NI) Limited | Co Down | 1999 |
| Arlington Property & Trading Limited | London | 2023 |
| Arlington ROW Ltd | Witney | 2023 |
| Arlingtons of Ipswich Ltd | Royal Victoria Docks | 2022 |
| Arlo & Oates Ltd | Petersfield | 2022 |
| Arlo Cafe Ltd | Northumberland | 2026 |
| Arlo Catering Ltd | Sheffield | 2026 |
| Arlo Coffee House Ltd | Ilkley | 2020 |
| Arlo Hither Green Limited | London | 2026 |
| Arlo Letting Ltd | Sidmouth | 2019 |
| Arlo London Ltd | Harrow | 2023 |
| Arlo XH Ltd | Northampton | 2026 |
| Arlo's Kitchen Ltd | Skelmersdale | 2025 |
| Arlott Ltd | Dursley | 2025 |
| Arlo’S Enterprises Ltd | Manningtree | 2025 |
| Arlwyo Golff Porthmadog CYF | Porthmadog | 2019 |
| Arlwyo Lewis CYF | Machynlleth | 2022 |
| Arlwyo Ltd. | Paisley | 2025 |
| Arlyruby Limited | Edgware | 2019 |
| ARM Petts Wood Ltd | Norwich | 2015 |
| ARM Pizza Ltd | Purley | 2023 |