| Apex Construction Solutions Limited | Professional & scientific | 2023 |
| Apex Court Management Limited | Real estate | 1989 |
| Apex Dental Care Limited | Health & social care | 2006 |
| Apex Fluid Engineering Limited | Manufacturing | 1987 |
| Apex Fluid Holdings Limited | Professional & scientific | 2021 |
| Apex Healthcare Holdco Limited | Health & social care | 2024 |
| Apex Holdings (Bristol) Ltd | Real estate | 2024 |
| Apex Industrial Roofing (South West) Limited | Construction | 2009 |
| Apex INS Tech Solutions Limited | Information & communication | 2026 |
| Apex Insurance Brokers Limited | Financial services | 2009 |
| Apex IT Management Ltd | Information & communication | 2012 |
| Apex Land and New Homes Limited | Construction | 2006 |
| Apex Legal Risks Limited | Financial services | 2013 |
| Apex Marquees Limited | Administrative & support | 2003 |
| Apex Motorsport Group Ltd | Transport & logistics | 2026 |
| Apex Music Recordings Ltd | Information & communication | 2021 |
| Apex Planning Design Limited | Professional & scientific | 2022 |
| Apex Promotions and Maintenance Limited | Information & communication | 2022 |
| Apex Property Bristol Ltd | Real estate | 2022 |
| Apex Property Development South West Limited | Real estate | 2024 |
| Apex Property Solutions Bristol Ltd | Construction | 2025 |
| Apex Roofing and Cladding Limited | Construction | 1973 |
| Apex Route Logistics Ltd | Transport & logistics | 2026 |
| Apex RPC Limited | Professional & scientific | 2014 |
| Apex Safe and Secure Ltd | Administrative & support | 2026 |
| Apex South West Ltd | Manufacturing | 2024 |
| Apex Student Living Limited | Real estate | 2026 |
| Apex Transport SW Ltd | Transport & logistics | 2026 |
| Apex Tuning Bristol Ltd | Wholesale & retail | 2025 |
| Apex Welding Ltd | Other services | 2016 |
| Apexi UK Limited | Professional & scientific | 2016 |
| Apexian Limited | Information & communication | 2024 |
| Apexx Components Ltd | Wholesale & retail | 2025 |
| APG Salons Ltd | Other services | 2017 |
| Aphia Ltd | Wholesale & retail | 2026 |
| API Holdco Limited | Professional & scientific | 2004 |
| Apis Global Ltd | Transport & logistics | 2020 |
| APL Consortium Limited | Extraterritorial | 2015 |
| Aplex Structures Limited | Professional & scientific | 2024 |
| Aplingo Ltd | Professional & scientific | 2011 |
| Aplsft Ltd | Information & communication | 2025 |
| APM (Bristol) Limited | Construction | 2018 |
| APM Resource Limited | Administrative & support | 2008 |
| Apmeos Limited | Information & communication | 2019 |
| Apmj Ltd | Professional & scientific | 2020 |
| Apna DPD Limited | Transport & logistics | 2025 |
| Apollo Apartments Management Company Limited | Households | 2005 |
| Apollo Cleaning Solutions Ltd | Administrative & support | 2010 |
| Apollo Earth Productions Limited | Arts & recreation | 2013 |
| Apollo Electrical Solutions Ltd | Construction | 2013 |
| Apollo Maintenance Services Limited | Other services | 2019 |
| Apollo Property Management Ltd | Real estate | 2018 |
| Apollo Scaffolding (SW) Ltd | Construction | 2018 |
| Apollo Talks Limited | Education | 2026 |
| Apollo Tree Care Ltd | Administrative & support | 2025 |
| Apollo UK Commercial Holdings Ltd | Real estate | 2025 |
| Apollonia Clinics Limited | Health & social care | 2020 |
| Aport Solutions Ltd | Information & communication | 2026 |
| Apostle Eromosele Limited | Health & social care | 2025 |
| Apostle Paul Limited | Health & social care | 2023 |
| Apoyo Courses Ltd | Education | 2022 |
| App Attic Ltd | Information & communication | 2020 |
| App DEV Masters Ltd | Information & communication | 2023 |
| App LAB Ltd | Information & communication | 2025 |
| App Machine Ltd | Information & communication | 2011 |
| Apparel by RO Limited | Wholesale & retail | 2022 |
| Appeal Holdings Ltd | Financial services | 2026 |
| Appeal Marketing Limited | Information & communication | 2017 |
| Appear Development Ltd | Information & communication | 2017 |
| Appfest Ltd | Arts & recreation | 2017 |
| Appian Technologies Ltd | Manufacturing | 2011 |
| Applaunch Limited | Information & communication | 2019 |
| Apple County Customs (SW) Ltd | Manufacturing | 2020 |
| Apple Electrical Ltd | Construction | 2025 |
| Apple Healthcare Ltd | Health & social care | 2022 |
| Apple Holding Ltd | Real estate | 2016 |
| Apple Honey Company Limited | Professional & scientific | 2002 |
| Apple Tree Construction Ltd | Construction | 2018 |
| Apple Tree Property Group Limited | Real estate | 2002 |
| Apple Tree Stays Ltd | Hospitality | 2025 |
| Apple Tree Walk Developments Ltd | Construction | 2023 |
| Apple Trees Consulting Ltd | Information & communication | 2008 |
| Appleby Consultancy Services Limited | Professional & scientific | 2007 |
| Appleby Cost Consulting Ltd | Professional & scientific | 2021 |
| Appleby Engineering Limited | Administrative & support | 2015 |
| Appleby Mann Limited | Education | 1997 |
| Appleby Property Development Ltd | Construction | 2024 |
| Appleby's Fish Bar Limited | Wholesale & retail | 2013 |
| Applebys the High Street Limited | Wholesale & retail | 2015 |
| Appledore Living Limited | Real estate | 2023 |
| Appledunc Limited | Agriculture & fishing | 2012 |
| Applehayes Rise Management Limited | Extraterritorial | 2009 |
| Appleseed Solutions Ltd | Information & communication | 2023 |
| Appleton's Building Company Ltd | Construction | 2012 |
| Appliance Repairs Bristol Ltd | Other services | 2022 |
| Applicable Enterprises Ltd | Financial services | 2024 |
| Applicable Limited | Information & communication | 1997 |
| Application Facilitation Services Limited | Administrative & support | 2014 |
| Applied Creations Ltd | Construction | 2024 |
| Applied Design Services Ltd | Professional & scientific | 2024 |