| AB Mobile Valeting Ltd | Wholesale & retail | 2019 |
| AB Newtown Ltd | Hospitality | 2019 |
| AB Pharmaserve Ltd | Health & social care | 2026 |
| AB Prime Assets Ltd | Real estate | 2025 |
| AB Properties (Birmingham) Ltd | Real estate | 2025 |
| AB Same Day Services Ltd | Transport & logistics | 2025 |
| AB Signature Sourcing Ltd | Real estate | 2024 |
| AB Tailoring Ltd | Manufacturing | 2023 |
| AB Technicians Ltd | Wholesale & retail | 2019 |
| AB Transport & Logistics Ltd | Transport & logistics | 2025 |
| Ab's Shop Limited | Wholesale & retail | 2025 |
| Ab-Iv CIC | Manufacturing | 2025 |
| AB-K9 Security Ltd | Administrative & support | 2024 |
| AB04 Limited | Education | 2007 |
| AB1 Capital Ltd | Professional & scientific | 2024 |
| AB1 Construction Limited | Construction | 2025 |
| AB15 Services Limited | Manufacturing | 2014 |
| AB2 Capital Investments Ltd | Real estate | 2026 |
| AB29 Maintenance Limited | Real estate | 2025 |
| AB360 Solutions Ltd | Professional & scientific | 2022 |
| AB4 Ltd | Wholesale & retail | 2023 |
| AB53 Holdings Ltd | Real estate | 2021 |
| AB83 Property Ltd | Real estate | 2021 |
| ABA Global Solutions Ltd | Wholesale & retail | 2014 |
| ABA Insight Ltd | Education | 2025 |
| ABA1TRADE Ltd | Wholesale & retail | 2019 |
| Ababeel Cars Ltd | Wholesale & retail | 2021 |
| Ababeel Hotel Limited | Hospitality | 2022 |
| Ababeel Immigration Services Limited | Other services | 2023 |
| Ababeel Restaurant Ltd | Hospitality | 2017 |
| ABACU5 Ltd | Professional & scientific | 2023 |
| Abacus (Birmingham) Management Company Limited | Households | 2005 |
| Abacus Accountancy Support Ltd | Professional & scientific | 2006 |
| Abacus Architects Limited | Professional & scientific | 2022 |
| Abacus Care Holdings Ltd | Financial services | 2025 |
| Abacus Fostering Limited | Health & social care | 2012 |
| Abacus Risk Management Consultancy Services Limited | Professional & scientific | 2023 |
| Abacus Services Ltd. | Real estate | 2018 |
| Abacus Software Development Limited | Professional & scientific | 1992 |
| Abacus Structural Limited | Professional & scientific | 2020 |
| Abacus Tax Consultants Ltd | Professional & scientific | 2017 |
| Abad Kebab & Grill Ltd | Hospitality | 2017 |
| Abadan Ltd | Transport & logistics | 2025 |
| Abaden House Limited | Hospitality | 2020 |
| Abadshazia ALI Ltd | Health & social care | 2010 |
| Abadur Rahman Estate Limited | Real estate | 2024 |
| Abadur Rahman Ltd | Health & social care | 2013 |
| Abafix Ltd | Construction | 2026 |
| Abainbridge Consultants Ltd | Professional & scientific | 2018 |
| Aban Ltd | Wholesale & retail | 2024 |
| Abane Care Limited | Administrative & support | 2022 |
| Abane Properties Limited | Real estate | 2025 |
| Abans Spice Kitchen Ltd | Hospitality | 2024 |
| Abasi Shop Global Co Limited | Wholesale & retail | 2025 |
| Abasibom Services Ltd | Health & social care | 2021 |
| Abatalogistics Ltd | Transport & logistics | 2025 |
| Abate Ltd | Extraterritorial | 2011 |
| Abax Verwaltungs Limited | Administrative & support | 2013 |
| Abaya Galore Limited | Wholesale & retail | 2020 |
| Abaya Stop Ltd | Wholesale & retail | 2025 |
| Abayas Ltd | Wholesale & retail | 2026 |
| ABB Riverside Ltd | Hospitality | 2014 |
| ABB88 Ltd | Wholesale & retail | 2025 |
| Abban Ahmed Ltd | Wholesale & retail | 2023 |
| Abbas Capital Holdings Ltd | Real estate | 2022 |
| Abbas Group Holdings Ltd | Financial services | 2026 |
| Abbas Incorporated Ltd | Professional & scientific | 2025 |
| Abbas Investment Ltd | Real estate | 2014 |
| Abbas Khan Ltd | Wholesale & retail | 2006 |
| Abbas Mini Market Ltd | Wholesale & retail | 2025 |
| Abbas Traders Ltd | Wholesale & retail | 2025 |
| Abbasi and Sons Ltd | Wholesale & retail | 2025 |
| Abbasi Traders Ltd | Wholesale & retail | 2024 |
| Abbasi,S Group Ltd | Construction | 2026 |
| Abbaso Limited | Wholesale & retail | 2022 |
| Abberley Meadows (Ombersley) Management Company Limited | Households | 2025 |
| Abbey Business Agency Limited | Financial services | 1984 |
| Abbey Court Care Limited | Health & social care | 2020 |
| Abbey Drives Ltd | Construction | 2009 |
| Abbey DRY Cleaners Bearwood Ltd | Other services | 2022 |
| Abbey Fire Centre Limited | Wholesale & retail | 1982 |
| Abbey Gate Residents Management Company Limited | Households | 2017 |
| Abbey Lane Office Park Management Company Limited | Real estate | 2006 |
| Abbey Life Assurance Company Limited | Financial services | 1961 |
| Abbey Life Trust Securities Limited | Administrative & support | 1965 |
| Abbey Life Trustee Services Limited | Administrative & support | 1979 |
| Abbey Lincon UK Ltd | Professional & scientific | 2008 |
| Abbey Mount Limited | Health & social care | 2025 |
| Abbey Removals Ltd | Transport & logistics | 2019 |
| Abbey Service Centre Limited | Wholesale & retail | 2016 |
| Abbey Signs (Midlands) Ltd | Manufacturing | 2002 |
| Abbey Walk Management Company Limited | Households | 2016 |
| Abbeydale Machine & Tool Company Ltd. | Manufacturing | 2009 |
| Abbeyland Limited | Real estate | 1997 |
| Abbeyshy Limited | Hospitality | 2019 |
| Abbeyview Services Limited | Construction | 2001 |
| Abbi Group Limited | Financial services | 2026 |
| Abbi House Limited | Health & social care | 2023 |
| Abbot IT Solutions Ltd | Information & communication | 2022 |
| Abbott Couriers Limited | Transport & logistics | 2002 |