| ALJ Contract Support Ltd | Information & communication | 2024 |
| ALJ Wealth Management Limited | Professional & scientific | 2019 |
| Aljandeel Ltd | Extraterritorial | 2020 |
| Aljazeera Grocery Ltd | Wholesale & retail | 2026 |
| Aljedoor Ltd | Wholesale & retail | 2025 |
| Aljnidi Ltd | Hospitality | 2025 |
| Aljo Group Limited | Manufacturing | 2025 |
| Aljobra Ltd | Health & social care | 2016 |
| ALK Consulting Ltd | Administrative & support | 2014 |
| Alkadro for Trading Ltd | Wholesale & retail | 2025 |
| Alkali Healthcare Limited | Health & social care | 2018 |
| Alkaram Construction Ltd | Construction | 2023 |
| Alkarar Aldawleya for Investment Ltd | Construction | 2025 |
| Alkarim Readymade Garments Trading Co Ltd | Wholesale & retail | 2025 |
| Alkaser Almumayaz Trading Ltd | Wholesale & retail | 2026 |
| Alker Elliott Accountants Limited | Professional & scientific | 2023 |
| Alkhaleej Islamic Cons Ltd | Professional & scientific | 2025 |
| Alkhalil Hajj Travels Limited | Administrative & support | 2012 |
| Alkhareta Almethalia for Trade and Contracting Ltd | Wholesale & retail | 2025 |
| Alkivate Ltd | Manufacturing | 2026 |
| Alkrington Joinery Ltd | Construction | 2026 |
| Alkrington Pre-School C.I.C. | Education | 2014 |
| Alkwarit Ltd | Wholesale & retail | 2024 |
| Alkwaritco Ltd | Wholesale & retail | 2025 |
| Alkyl Group Ltd | Wholesale & retail | 2023 |
| ALL About Amps Ltd | Professional & scientific | 2016 |
| ALL About Children Limited | Extraterritorial | 2000 |
| ALL About Families Ltd | Health & social care | 2008 |
| ALL About Food Limited | Wholesale & retail | 1997 |
| ALL About Gorongosa Limited | Wholesale & retail | 2020 |
| ALL About Speech Therapy Ltd | Other services | 2021 |
| ALL Answers Limited | Administrative & support | 2003 |
| ALL Appliance Repairs Manchester Limited | Other services | 2013 |
| ALL Arts & Media Ltd | Information & communication | 2004 |
| ALL Aspects Home Improvements (NW) Limited | Construction | 2017 |
| ALL Aspects Home Improvements Ltd | Construction | 2019 |
| ALL Aura Wrld Ltd | Wholesale & retail | 2026 |
| ALL Blindz & Shutterz Ltd | Other services | 2022 |
| ALL Business Consultants Ltd | Information & communication | 2025 |
| ALL Cars Genova Ltd | Other services | 2025 |
| ALL Cars Group Ltd | Wholesale & retail | 2017 |
| ALL Chapters CIC | Health & social care | 2025 |
| ALL Chapters Tailored Support Ltd | Health & social care | 2025 |
| ALL Clean & Glow Detailing Limited | Administrative & support | 2018 |
| ALL Clean Equipment Hire Co, Limited | Administrative & support | 1972 |
| ALL Cleared Ltd | Water & waste | 2026 |
| ALL Clothing Limited | Wholesale & retail | 2015 |
| ALL Construction Developments Ltd | Construction | 2022 |
| ALL Construction NW Limited | Construction | 2020 |
| ALL Covered Ltd | Information & communication | 2021 |
| ALL Delivered Ltd | Wholesale & retail | 2020 |
| ALL FM Training Limited | Education | 2016 |
| ALL for YOU Trading Ltd. | Wholesale & retail | 2018 |
| ALL Fresh Bradford Ltd | Wholesale & retail | 2017 |
| ALL Generators Ltd | Administrative & support | 2016 |
| ALL Ice Productions Ltd | Arts & recreation | 2022 |
| ALL ICU Services Ltd | Health & social care | 2024 |
| ALL in ALL Motor AID Ltd | Wholesale & retail | 2023 |
| ALL in One DIY Limited | Wholesale & retail | 2002 |
| ALL in One Hub Ltd | Wholesale & retail | 2020 |
| ALL in One Learning Centre CIC | Education | 2021 |
| ALL in Recruitment Ltd | Administrative & support | 2015 |
| ALL Install Manchester Limited | Construction | 2021 |
| ALL Jobs TOO Big Ltd | Transport & logistics | 2025 |
| ALL Mixed UP Productions Ltd | Information & communication | 2024 |
| ALL Music Academy Ltd | Education | 2019 |
| ALL My Life Ltd | Information & communication | 2023 |
| ALL Networks Ltd | Information & communication | 2008 |
| ALL Nighter Studios Ltd | Information & communication | 2020 |
| ALL of US Global Ltd | Wholesale & retail | 2026 |
| ALL on Red Limited | Hospitality | 2025 |
| ALL OUR Futures Ltd. | Education | 2013 |
| ALL OUR Yesterdays Ltd | Wholesale & retail | 2016 |
| ALL Outside Ltd | Construction | 2025 |
| ALL Parking Services UK Limited | Other services | 2012 |
| ALL Plus Management Two Limited | Real estate | 2017 |
| ALL Projects Build Ltd | Financial services | 2025 |
| ALL Projects Group Holdings Limited | Financial services | 2025 |
| ALL Projects Group Ltd | Construction | 2021 |
| ALL Purpose Trading Limited | Professional & scientific | 2009 |
| ALL Round Knowledge Solutions Limited | Information & communication | 2010 |
| ALL Served UP Ltd | Wholesale & retail | 2025 |
| ALL Sort Collection Ltd | Wholesale & retail | 2025 |
| ALL Star BPO Ltd | Information & communication | 2025 |
| ALL Star Saas Ltd | Information & communication | 2020 |
| ALL Stars Parts Limited | Wholesale & retail | 2025 |
| ALL Stars Shopping Limited | Wholesale & retail | 2025 |
| ALL the Audio Things Ltd | Information & communication | 2025 |
| ALL the Devs Ltd | Wholesale & retail | 2023 |
| ALL the Little Details Limited | Manufacturing | 2013 |
| ALL the People Limited | Information & communication | 2024 |
| ALL the Shapes Limited | Hospitality | 2015 |
| ALL Things Property 24 Ltd | Households | 2025 |
| ALL Things Property 247 Limited | Households | 2025 |
| ALL Ticks Ltd | Administrative & support | 2019 |
| ALL Time Fashion Limited | Wholesale & retail | 2018 |
| ALL Toogether Ltd | Information & communication | 2023 |
| ALL Trades Supplied Management Ltd | Construction | 2020 |
| ALL Trending Limited | Wholesale & retail | 2023 |
| ALL Trends Fashion Ltd | Wholesale & retail | 2020 |