| Affordable Appliances & Repairs Limited | Other services | 2003 |
| Affordable Living Space Limited | Construction | 2017 |
| Affordable Plant Hire Ltd | Construction | 2020 |
| Affordable Waste Solutions Limited | Water & waste | 2024 |
| Afghan Bristol Community Limited | Information & communication | 2022 |
| Afghan Hope Language Services Limited | Professional & scientific | 2022 |
| Afghan Restaurant and Takeaway Ltd | Hospitality | 2025 |
| Afghanistan Cultural Community Limited | Education | 2023 |
| Afinca Properties Limited | Real estate | 2024 |
| Afini Ltd | Extraterritorial | 2023 |
| Afiniti 360 Ltd | Information & communication | 2025 |
| Afinitree Ltd | Information & communication | 2024 |
| Afistas Coffee Ltd | Hospitality | 2025 |
| Afon Healthcare Ltd | Public administration | 2023 |
| AFP (Europe) | Other services | 1995 |
| Afrah Travel Ltd | Administrative & support | 2018 |
| Africa Advisory Partners Limited | Professional & scientific | 2006 |
| Africa Knowledge Tree (AKT) | Health & social care | 2014 |
| Africa Services International | Professional & scientific | 1997 |
| African Convenient Shop Ltd | Wholesale & retail | 2026 |
| African Junction Ltd | Hospitality | 2024 |
| African Masters of Stone Limited | Wholesale & retail | 2014 |
| African Palace Ltd | Hospitality | 2020 |
| African Voices Forum Ltd | Other services | 2008 |
| Africana Collections Limited | Wholesale & retail | 2025 |
| Afrika EYE Community Interest Company | Arts & recreation | 2008 |
| Afrikia Impex Ltd | Extraterritorial | 2025 |
| Afrine Limited | Transport & logistics | 2019 |
| Afrivita Health Limited | Health & social care | 2025 |
| Afro GH Spice Ltd | Other services | 2021 |
| Afronova Ltd | Wholesale & retail | 2025 |
| AFS Dental Limited | Health & social care | 2025 |
| AFS Motor Engineers Limited | Wholesale & retail | 2006 |
| Afsb Solutions Ltd | Professional & scientific | 2015 |
| AFT Jet-Wash Solutions Ltd | Administrative & support | 2021 |
| Aftab Foroze Consultancies Limited | Professional & scientific | 2005 |
| After 5 Entertainment Limited | Hospitality | 2019 |
| After a Likeness Ltd | Professional & scientific | 2019 |
| After ALL Ltd | Hospitality | 2026 |
| After ALL These Years Limited | Professional & scientific | 2007 |
| After Dark Bristol Leisure Ltd | Hospitality | 2025 |
| After Hours Agents Ltd | Professional & scientific | 2025 |
| After Inflection C.I.C. | Information & communication | 2026 |
| After Motion Limited | Extraterritorial | 2025 |
| After Motion Media Limited | Information & communication | 2025 |
| After the Disco Ltd | Extraterritorial | 2024 |
| Aftercare Services Ltd | Other services | 2025 |
| Afterdark Enterprises Limited | Information & communication | 2019 |
| Afterhours Bristol Limited | Wholesale & retail | 2014 |
| Afterlife Story LAB Ltd | Information & communication | 2026 |
| Aftermath BJJ Knowle Ltd | Manufacturing | 2020 |
| Afterone Automotive Ltd | Wholesale & retail | 2022 |
| Afterus Advisory Ltd | Professional & scientific | 2026 |
| Afthonia Property Management Limited | Real estate | 2019 |
| Afya Care Ltd | Health & social care | 2019 |
| AFZ Group Ltd | Wholesale & retail | 2020 |
| AG Courier Services Ltd | Transport & logistics | 2019 |
| AG Flooring Bristol Ltd | Construction | 2026 |
| AG Geo-Consultants Ltd | Professional & scientific | 2020 |
| AG Plumbing and Heating South West Limited | Construction | 2025 |
| AG Retail Group Ltd | Wholesale & retail | 2024 |
| AG Surveys Limited | Professional & scientific | 2012 |
| Ag's Keys Ltd | Other services | 2020 |
| Agape Sisters Ltd | Hospitality | 2022 |
| Agape Squeaky Ltd | Administrative & support | 2025 |
| Agasto Limited | Hospitality | 2018 |
| AGB Services (South West) Limited | Construction | 2008 |
| Agbg Properties Ltd | Real estate | 2021 |
| AGE UK Bristol | Health & social care | 1994 |
| AGE UK Bristol Enterprises Ltd | Health & social care | 2016 |
| AGE UK South Gloucestershire Enterprises Ltd | Other services | 2016 |
| AGE UK South Gloucestershire Ltd | Other services | 2005 |
| AGE UK Tyneside Ltd | Other services | 2018 |
| AGE UK West of England Enterprises Ltd | Wholesale & retail | 2017 |
| Agecroft Properties (NO.2) Limited | Financial services | 2001 |
| Agency Bristol Ltd | Professional & scientific | 2021 |
| Agency Works Limited | Information & communication | 2013 |
| Agenda Marketing Holdings Limited | Financial services | 2018 |
| Agenda Salon Concepts Limited | Wholesale & retail | 2004 |
| Ageneer Limited | Professional & scientific | 2026 |
| Agent Pictures Limited | Arts & recreation | 2008 |
| Agewise Physio Ltd | Health & social care | 2025 |
| AGG Consulting Limited | Administrative & support | 2025 |
| AGG Property Limited | Professional & scientific | 2012 |
| Aggregate Processing Solutions Limited | Mining & quarrying | 2004 |
| AGH Property Limited | Real estate | 2022 |
| AGI Global Logistics (BRS) Limited | Transport & logistics | 2020 |
| AGI Global Logistics (CT) Limited | Transport & logistics | 2017 |
| AGI Global Logistics (DN) Limited | Transport & logistics | 2017 |
| AGI Global Logistics (FXT) Limited | Transport & logistics | 2021 |
| AGI Global Logistics (GLA) Limited | Transport & logistics | 2019 |
| AGI Global Logistics (LHR) Limited | Transport & logistics | 2021 |
| AGI Global Logistics (LON) Limited | Transport & logistics | 2022 |
| AGI Global Logistics (MAN) Limited | Transport & logistics | 2022 |
| AGI Global Logistics (NCL) Limited | Transport & logistics | 2021 |
| AGI Global Logistics (STN) Limited | Transport & logistics | 2022 |
| AGI Global Logistics (SW) Limited | Transport & logistics | 2015 |
| AGI Global Logistics (UK) Limited | Transport & logistics | 2019 |
| AGI Global Logistics (WA) Limited | Transport & logistics | 2016 |
| AGI Global Logistics Limited | Transport & logistics | 2011 |