| AI Consultancy & Solutions Ltd | Professional & scientific | 2025 |
| AI Corporate Services Ltd | Administrative & support | 2021 |
| AI Database Limited | Information & communication | 2023 |
| AI Digital Marketing Hub Limited | Professional & scientific | 2026 |
| AI Dimension UK Ltd | Information & communication | 2024 |
| AI Director Ltd | Information & communication | 2026 |
| AI Eagle Limited | Information & communication | 2026 |
| AI Elevate Solutions Ltd | Administrative & support | 2025 |
| AI Energie X Limited | Professional & scientific | 2026 |
| AI Foods (Mexican) Ltd | Hospitality | 2024 |
| AI Foods (Turkish) Ltd | Hospitality | 2024 |
| AI Frame Apps Ltd | Information & communication | 2024 |
| AI GEN Apps Limited | Information & communication | 2025 |
| AI Global Workforce Ltd | Administrative & support | 2020 |
| AI HAI Chai Ltd | Hospitality | 2020 |
| AI Homes (Midlands) Ltd | Wholesale & retail | 2025 |
| AI Housing Group Ltd | Real estate | 2024 |
| AI HQ Ltd | Information & communication | 2022 |
| AI Interiors & Shopfitting Limited | Construction | 2025 |
| AI Investments Group Limited | Real estate | 2023 |
| AI Legal Ltd | Professional & scientific | 2022 |
| AI Management Solutions Ltd | Information & communication | 2014 |
| AI Muscle Leads Limited | Information & communication | 2025 |
| AI Ophthalmic Services Limited | Health & social care | 2004 |
| AI Packaging Ltd. | Administrative & support | 2019 |
| AI Pharm Ltd | Health & social care | 2021 |
| AI Project Fixers Ltd | Information & communication | 2025 |
| AI Project Management Services Ltd | Information & communication | 2022 |
| AI Property Group (Midlands) Ltd | Construction | 2020 |
| AI Psychology Ltd | Health & social care | 2018 |
| AI Saidi Ltd | Wholesale & retail | 2023 |
| AI Seasons Trade Limited | Wholesale & retail | 2024 |
| AI Support Ltd | Administrative & support | 2025 |
| AI Tea Ltd | Hospitality | 2022 |
| AI Trading 1 Ltd | Hospitality | 2020 |
| AI UVD Limited | Information & communication | 2026 |
| Ai-Subscriptions Limited | Information & communication | 2021 |
| AIA Build Construction Ltd | Construction | 2025 |
| AIA Management Ltd | Real estate | 2025 |
| AIA Realty Group Limited | Real estate | 2024 |
| Aiah Holdings Ltd | Wholesale & retail | 2020 |
| Aiart Creations Ltd | Construction | 2026 |
| Aiaura Group Ltd | Information & communication | 2025 |
| AIB Professional Security Ltd | Administrative & support | 2019 |
| Aibender Ltd | Information & communication | 2022 |
| AIC Catering Limited | Hospitality | 2024 |
| AIC Logistics Limited | Transport & logistics | 2023 |
| Aica Bathrooms Limited | Wholesale & retail | 2009 |
| Aicare Personnel Ltd | Administrative & support | 2018 |
| Aichi Limited | Real estate | 2021 |
| Aicros Limited | Administrative & support | 2013 |
| Aicvscreen Ltd | Information & communication | 2025 |
| AID and Support Training Services Ltd | Education | 2024 |
| AID Assist Ltd | Transport & logistics | 2023 |
| Aidan Eesa Properties Ltd | Real estate | 2019 |
| Aidan Housing Ltd | Real estate | 2025 |
| Aidan Investments Ltd | Real estate | 2019 |
| Aidas Consulting Ltd | Professional & scientific | 2025 |
| Aidas Group Ltd | Financial services | 2019 |
| Aidem Digital CIC | Professional & scientific | 2010 |
| Aiden Mcdonnell Hairdressing Ltd | Other services | 2022 |
| Aider SOL Ltd | Information & communication | 2026 |
| Aidl International Limited | Extraterritorial | 2026 |
| Aidos Services Ltd | Other services | 2024 |
| Aidway Supported Housing CIC | Health & social care | 2025 |
| AIE Commercial Ltd | Real estate | 2018 |
| AIE Ventures Limited | Real estate | 2018 |
| Aierp Solutions Limited | Professional & scientific | 2023 |
| AIF Venture Ltd | Wholesale & retail | 2025 |
| Aifa Construction Ltd | Construction | 2026 |
| Aifilia Ltd | Professional & scientific | 2007 |
| AIG Properties & Investments Limited | Real estate | 2024 |
| AIG Services Limited | Health & social care | 2026 |
| Aigizmo Ltd | Information & communication | 2024 |
| Aigle Private Limited | Wholesale & retail | 2019 |
| AIH Holding Ltd | Real estate | 2026 |
| AIH Ltd | Hospitality | 2025 |
| Aihapm Imaging Group Limited | Health & social care | 2021 |
| Aiia Limited | Real estate | 2019 |
| Aiimsonians of UK & Europe CIC | Professional & scientific | 2023 |
| Aiko Energy UK Co., Ltd | Construction | 2023 |
| Aikuchem Services Limited | Public administration | 2023 |
| Aila Consultancy Limited | Information & communication | 2017 |
| Aila International Limited | Manufacturing | 2022 |
| Aila Perform Ltd | Education | 2024 |
| Aila Property Developers Ltd | Real estate | 2025 |
| Ailesbury Limited | Financial services | 2016 |
| Ailstone Mews Management Ltd | Real estate | 2026 |
| AIM 1 Ltd | Real estate | 2022 |
| AIM 2 Point Logistics Ltd | Health & social care | 2025 |
| AIM Care Services Ltd | Health & social care | 2023 |
| AIM Corp Ltd | Real estate | 2025 |
| AIM High (Access Repairs) Limited | Wholesale & retail | 2010 |
| AIM High Scaffolding Ltd | Construction | 2025 |
| AIM Higher Academy Ltd | Education | 2015 |
| AIM Higher Education Link Ltd | Education | 2010 |
| AIM Internet Limited | Other services | 1998 |
| AIM Marketing Ltd | Professional & scientific | 2021 |
| AIM Recruits Ltd | Professional & scientific | 2021 |
| AIM Tools Ltd | Wholesale & retail | 2012 |