| ABC Property Consultancy Ltd | Administrative & support | 2022 |
| ABC Property Limited | Real estate | 2011 |
| ABC Reinforcing Limited | Construction | 2012 |
| Abigail Grace Designs Limited | Manufacturing | 2017 |
| Abjen Limited | Administrative & support | 2015 |
| Ables Community Care Ltd | Health & social care | 2022 |
| Above ALL Interiors Ltd | Construction | 2021 |
| Above Down Inside OUT Ltd | Health & social care | 2020 |
| ABS Pools Limited | Construction | 2018 |
| ABT Technologies Ltd | Information & communication | 2022 |
| Access 2 Music Project CIC | Information & communication | 2023 |
| Access 2 Trees Ltd | Agriculture & fishing | 2015 |
| Access Success Limited | Professional & scientific | 2010 |
| Accesscare Inclusion Group Ltd | Professional & scientific | 2026 |
| Accordia Gates Limited | Real estate | 2007 |
| Aced Limited | Professional & scientific | 2023 |
| Acer House Denmead Management Limited | Real estate | 2017 |
| Acer International United Kingdom Limited | Education | 2005 |
| ACH Property Investment Limited | Real estate | 2025 |
| Acmatic Technologies Limited | Information & communication | 2012 |
| Acorn Building Contractors (Shropshire) Limited | Construction | 2008 |
| Acorn Waste Management Limited | Administrative & support | 2002 |
| Acquisition Masters Limited | Health & social care | 2023 |
| ACR Flight Training Ltd | Education | 2021 |
| Acresgate Court Management Company Ltd | Households | 2022 |
| ACT Agri Ltd | Wholesale & retail | 2025 |
| ACTIV4 Limited | Extraterritorial | 2004 |
| Active Computers UK Limited | Information & communication | 2013 |
| Active Life (Shrewsbury) Limited | Arts & recreation | 2012 |
| Activehistory.Co.Uk Limited | Education | 2007 |
| Actuarial Creatives Ltd | Professional & scientific | 2023 |
| Actuarial Services Limited | Information & communication | 2019 |
| Actuatii Limited | Professional & scientific | 2012 |
| Acuity Global Limited | Information & communication | 2006 |
| AD Riley Limited | Real estate | 2022 |
| Adam Davies Weddings Ltd | Professional & scientific | 2023 |
| Adam Gornall Limited | Health & social care | 2019 |
| Adam V Neath (4 X 4) Limited | Wholesale & retail | 2005 |
| Adaptive Adventures Ltd | Administrative & support | 2024 |
| Adaptive Expeditions Ltd | Administrative & support | 2024 |
| Adastra Place Management Company Limited | Administrative & support | 2006 |
| Adcote School Limited | Education | 2016 |
| Adcuris Consulting Limited | Professional & scientific | 2017 |
| ADD2YOURHOME Limited | Construction | 2024 |
| Addamms Ltd | Wholesale & retail | 2024 |
| Addiction Professionals Ltd | Health & social care | 2011 |
| Adhu Limited | Real estate | 2024 |
| Adixon Limited | Professional & scientific | 2016 |
| Adkins Holdings Limited | Financial services | 2023 |
| ADL Brickwork, Chimneys & Stoves Limited | Other services | 2014 |
| Adlebury Limited | Professional & scientific | 2014 |
| Admaston Firecraft Centre Limited | Wholesale & retail | 1998 |
| Admiral Agency Limited | Education | 2018 |
| Admiral Benbow Inn Ltd | Hospitality | 2017 |
| Admiral Benbow Limited | Hospitality | 2008 |
| Admirals View Alpacas C.I.C. | Agriculture & fishing | 2025 |
| Adrolasco Limited | Wholesale & retail | 2016 |
| ADS Electrical Shrewsbury Limited | Construction | 2017 |
| Adsense Ltd | Professional & scientific | 2012 |
| Advance Vision Security Limited | Administrative & support | 2025 |
| Advanced Manufacturing Utilisation Limited | Manufacturing | 2013 |
| Advanced Pet Care Ltd | Professional & scientific | 2010 |
| Advanced Shine Ltd | Administrative & support | 2022 |
| Advantage Feeders UK Limited | Manufacturing | 2012 |
| Advantage Geomatics Limited | Professional & scientific | 2018 |
| Advantage Training Ltd | Professional & scientific | 2022 |
| ADVOC8 1889 CIC | Real estate | 2023 |
| Adze-Tech Limited | Construction | 1995 |
| Aedion Limited | Construction | 2020 |
| Aegeans Blue Ltd | Wholesale & retail | 2020 |
| Aequus Land Ludlow Limited | Construction | 2008 |
| Aeroglide Rollerdoor Systems Ltd | Construction | 2026 |
| Aerospana Ltd | Manufacturing | 2025 |
| Aesthetics Shrewsbury Limited | Health & social care | 2022 |
| Affinity Homecare Shrewsbury Limited | Health & social care | 2015 |
| Affinity Resolutions Ltd | Professional & scientific | 2020 |
| Aflan Care Ltd | Administrative & support | 2026 |
| AFM Farming LLP | | 2015 |
| Afon Bidno Limited | Professional & scientific | 2026 |
| Afpo Ltd | Transport & logistics | 2013 |
| Afpr Limited | Professional & scientific | 2011 |
| Afresh Cleaning Services Limited | Administrative & support | 2002 |
| After.Marketing Limited | Information & communication | 2017 |
| AG Cordero Limited | Construction | 2016 |
| AG Trading Services Ltd | Construction | 2024 |
| Agape Homecare Limited | Health & social care | 2015 |
| AGE UK Shropshire Telford & Wrekin | Information & communication | 2001 |
| Agentico Ltd | Information & communication | 2024 |
| Agentifai Limited | Information & communication | 2026 |
| Agile Humans Ltd | Professional & scientific | 2018 |
| Agri-Droid UK Ltd | Wholesale & retail | 2021 |
| Agri-Eco Solutions Ltd | Professional & scientific | 2024 |
| Agribusiness Communications Limited | Professional & scientific | 1995 |
| Agricultural Central Trading Limited | Wholesale & retail | 1962 |
| Agricultural Cleaning Solutions Limited | Agriculture & fishing | 2025 |
| Agriplumb Ltd | Agriculture & fishing | 2023 |
| Agripost Limited | Water & waste | 2001 |
| Aidan Hart Icons Limited | Arts & recreation | 2009 |
| Aigburth House Limited | Households | 1999 |
| Aigemco Limited | Professional & scientific | 2025 |