| ACC Three Spires Ltd | Professional & scientific | 2012 |
| Accelleron UK Ltd | Manufacturing | 2021 |
| Accessory World (Telford) Limited | Wholesale & retail | 2012 |
| Accident Aftercare (Shropshire) Ltd | Wholesale & retail | 2016 |
| Accidents First Limited | Professional & scientific | 2003 |
| Accord SME Alliance Limited | Information & communication | 2021 |
| Ace Accountancy and Tax Services Limited | Professional & scientific | 2020 |
| Ace Carcare Ltd | Wholesale & retail | 2013 |
| Ace Lockups Limited | Real estate | 2021 |
| Ace Padel Club Ltd | Arts & recreation | 2024 |
| Ace Supplies UK Ltd | Wholesale & retail | 1995 |
| Aceon Battery Solar Technology Ltd | Manufacturing | 2010 |
| Aceon Energy Ltd | Energy | 2020 |
| Aceon Holdings Limited | Financial services | 2018 |
| Acerax Ltd | Transport & logistics | 2011 |
| Acertec Engineering Limited | Professional & scientific | 1955 |
| Acertec UK Limited | Professional & scientific | 2005 |
| Achelois Group Ltd | Financial services | 2020 |
| Achiaa Health Care Limited | Health & social care | 2016 |
| Achieve Medix Ltd | Administrative & support | 2005 |
| Achnas Ltd | Other services | 2023 |
| Ackroyd Plumbing and Heating Ltd | Construction | 2005 |
| ACM Eco Holdings Limited | Administrative & support | 2017 |
| ACM Environmental Limited | Water & waste | 1996 |
| Acme Trucking Ltd | Transport & logistics | 2021 |
| Acorn Property MJG Limited | Construction | 2018 |
| Acquest Properties Limited | Hospitality | 2008 |
| ACR Training Limited | Education | 2020 |
| Activ Projects Limited | Construction | 2005 |
| Active Outdoor Media Limited | Construction | 2007 |
| Active Visual Supplies Limited | Construction | 1994 |
| Acura Living Ltd | Construction | 2022 |
| Acutension Limited | Manufacturing | 2019 |
| Acwa Management Solutions Ltd | Professional & scientific | 2021 |
| Adak Group Ltd | Wholesale & retail | 2025 |
| Adapt ALL Group Ltd | Construction | 2022 |
| Adaptall Solutions Ltd | Construction | 2017 |
| Adaptive Systems Advisory Ltd | Professional & scientific | 2025 |
| Adaptolatte Ltd | Wholesale & retail | 2023 |
| Adastra Logistics & Training Limited | Transport & logistics | 2026 |
| ADB Innovations Ltd | Construction | 2025 |
| Addison & Lans Ltd | Other services | 2000 |
| Additive Analytics Ltd | Professional & scientific | 2017 |
| ADE Consult Ltd | Professional & scientific | 2020 |
| Adele Joy - Celebrant Limited | Professional & scientific | 2023 |
| Adels Consult Ltd | Professional & scientific | 2025 |
| Adelwin Limited | Other services | 2019 |
| Adeoje Limited | Health & social care | 2025 |
| Adeola Patronne Ltd | Professional & scientific | 2021 |
| Adex Learning & Skills CIC | Education | 2026 |
| ADG (Telford) Limited | Administrative & support | 2009 |
| ADG Haulage Ltd | Transport & logistics | 2024 |
| ADG Store Ltd | Wholesale & retail | 2025 |
| Adib Barber Ltd | Other services | 2024 |
| Adil Waheed Social Work Consulting Limited | Health & social care | 2022 |
| Adimira Ltd | Other services | 2019 |
| Aditia Ltd | Other services | 2020 |
| Adms Estate Limited | Real estate | 2022 |
| Adola Ltd | Wholesale & retail | 2026 |
| Adomish Ltd | Transport & logistics | 2023 |
| Adorn Home Solutions Group Limited | Real estate | 2026 |
| Adorn Home Styling Limited | Professional & scientific | 2026 |
| Adorn Homes & Spaces Limited | Real estate | 2026 |
| ADR Facilities Management Ltd | Administrative & support | 2013 |
| ADR Property Development Ltd | Real estate | 2013 |
| Adrimat Ltd | Other services | 2019 |
| Adroit Plant Limited | Administrative & support | 2015 |
| Adult Learning Improvement Network Ltd | Education | 2003 |
| Advance Personnel Ltd | Administrative & support | 2017 |
| Advanced Care and Education Support UK Limited | Other services | 2018 |
| Advanced Commercial Holdings Ltd | Real estate | 2024 |
| Advanced Decorators Midlands Limited | Construction | 2013 |
| Advanced Forwarding Limited | Transport & logistics | 2009 |
| Advanced Golf Ltd | Arts & recreation | 2010 |
| Advanced Home Providers Ltd | Health & social care | 2023 |
| Advanced Hygiene Limited | Wholesale & retail | 2002 |
| Advanced Infrastructure Systems Limited | Construction | 2007 |
| Advanced Innovation Business Limited | Wholesale & retail | 2023 |
| Advanced Processing Limited | Transport & logistics | 1997 |
| Advanced Roofing and Guttering Limited | Construction | 2019 |
| Advanced Supply Chain (COR) Ltd | Transport & logistics | 2016 |
| Advanced Supply Chain Group Limited | Transport & logistics | 2011 |
| Advanced Waste Solutions Ltd | Water & waste | 2011 |
| Advantage Tutoring Limited | Education | 2021 |
| Advecto Limited | Extraterritorial | 2011 |
| Advisorbar Ltd | Professional & scientific | 2022 |
| AE Pro Ltd | Wholesale & retail | 2022 |
| Aelintra Telecom Limited | Information & communication | 2008 |
| Aero Safety Ltd | Manufacturing | 2022 |
| Aeshah Ltd | Wholesale & retail | 2025 |
| Aesthetics & Beauty by Lydia Limited | Other services | 2021 |
| AF Light Engineering Ltd | Manufacturing | 2019 |
| AFC Performance Ltd | Professional & scientific | 2024 |
| AFC Telford Holdings Limited | Financial services | 2020 |
| AFC Telford United Foundation C.I.C. | Other services | 2019 |
| AFC Telford United Limited | Arts & recreation | 2004 |
| AFD International Ltd | Professional & scientific | 2006 |
| Affco Flow Control (UK) Limited | Manufacturing | 2019 |
| Affinity Healthcare Recruitment Ltd | Administrative & support | 2025 |
| Afina Paint Limited | Other services | 2019 |