| 12V Limited | Manufacturing | 2020 |
| 7 Days Mini Store Ltd | Wholesale & retail | 2024 |
| @ the C4R Wash Ltd | Administrative & support | 2017 |
| Abbey Construction Shropshire Limited | Construction | 2012 |
| Above & Below Powys & Shropshire Borders Pest Control Ltd | Extraterritorial | 2020 |
| AE & GM Jones Limited | Agriculture & fishing | 2015 |
| AEL Y Bryn Farm Limited | Agriculture & fishing | 2024 |
| Aelydon Limited | Construction | 2014 |
| Aeromount Ltd | Professional & scientific | 2010 |
| AF Accounting Services Limited | Professional & scientific | 2023 |
| Agacos Enterprise Ltd | Hospitality | 2022 |
| AGC Build (SY) Ltd | Manufacturing | 2026 |
| Agri Accounting Ltd | Professional & scientific | 2019 |
| AKH Property Holdings Ltd | Households | 2019 |
| Alex Charles Property Limited | Real estate | 2024 |
| Alff a BET Limited | Arts & recreation | 2017 |
| Aliniom Ltd | Information & communication | 2026 |
| ALL About Newtown CIC | Information & communication | 2023 |
| Alloy Masters Limited | Manufacturing | 1995 |
| Ally Clarke Limited | Professional & scientific | 2016 |
| Amberleigh Care Holdings Limited | Education | 2017 |
| Amberleigh Trustee Limited | Financial services | 2024 |
| AMT Media Ltd | Wholesale & retail | 2007 |
| AMW Productions Limited | Arts & recreation | 2009 |
| Andrew Logan Museum of Sculpture Limited | Arts & recreation | 1987 |
| Andrew Watkin Limited | Construction | 2012 |
| Andy Mellor Limited | Wholesale & retail | 2016 |
| Angel (Welshpool) Limited | Hospitality | 1998 |
| Angus Gold Limited | Agriculture & fishing | 2017 |
| Anmac Construction & Surfacing Ltd | Construction | 2016 |
| Anmac Holdings Ltd | Professional & scientific | 2025 |
| Anstech Limited | Other services | 2015 |
| Apollo Secure Ltd | Information & communication | 2023 |
| Applied Quality Management Limited | Professional & scientific | 2021 |
| Arian Hapus Limited | Information & communication | 2022 |
| Arnold and Pearn Limited | Administrative & support | 2011 |
| Artisan Country Crafts Ltd | Manufacturing | 2014 |
| Astro Trails Events Ltd | Administrative & support | 2025 |
| Astro Trails Ltd | Administrative & support | 2017 |
| AWF Restaurants Ltd | Hospitality | 2018 |
| BAD Dog Needs Rotten Home Limited | Information & communication | 2013 |
| Badger & Beinart Limited | Arts & recreation | 2014 |
| Bamboo Inn Limited | Hospitality | 2026 |
| Banwy Fuels Limited | Wholesale & retail | 2005 |
| Banwy GAS and Biomass Limited | Extraterritorial | 2021 |
| Banwy Investments Limited | Real estate | 2021 |
| Banwy Leisure Group Ltd | Wholesale & retail | 2024 |
| Barking FOX Furniture Ltd | Agriculture & fishing | 2019 |
| Bedouin Bags Limited | Wholesale & retail | 2009 |
| Beechfield Equine Limited | Agriculture & fishing | 2022 |
| Bekro Limited | Professional & scientific | 2012 |
| Bell Rural Lettings Limited | Real estate | 2023 |
| BEN Jones Ecology Ltd | Professional & scientific | 2025 |
| Benjamin George & Co Limited | Construction | 1998 |
| Benthall Stone Limited | Real estate | 2020 |
| Berriew Football Club CIC | Arts & recreation | 2024 |
| Bettws Lifehouse Limited | Education | 2007 |
| Big Beasts Ltd | Manufacturing | 2018 |
| Biodynamic Carbon Limited | Professional & scientific | 2023 |
| Biolife Solutions Limited | Wholesale & retail | 2000 |
| Black Mountain Shepherds Huts Limited | Manufacturing | 2011 |
| Blake Jones Solar & Electrical Ltd | Construction | 2022 |
| Bluestone Resourcing Limited | Information & communication | 2007 |
| Blurton Poupard Hoof Care Products Limited | Agriculture & fishing | 2024 |
| BM66. Ltd | Real estate | 2025 |
| Border Garage (Welshpool) Ltd | Wholesale & retail | 2008 |
| Border Hardcore & Rockery Stone Co.Limited | Agriculture & fishing | 1965 |
| Border Hardcore Co. Ltd | Professional & scientific | 2000 |
| Border Quad Trekking Limited | Arts & recreation | 2025 |
| Border Stone Wales Ltd | Wholesale & retail | 2021 |
| Both Feet Travel Ltd | Extraterritorial | 2021 |
| Bourne Construction & Developments Ltd | Construction | 2022 |
| Bowens Windows Limited | Construction | 2002 |
| Boys and Boden Holdings Limited | Financial services | 2025 |
| Brad Carr Ltd | Professional & scientific | 2024 |
| Bradford and Gibbs Engineering Ltd | Professional & scientific | 2016 |
| Brand & Flair Ltd | Professional & scientific | 2022 |
| BRD Hand Car Wash Ltd | Other services | 2024 |
| Bridgen Contracting Ltd | Administrative & support | 2019 |
| Brilliant Truth Ltd | Information & communication | 2012 |
| Brindley Metals (Welshpool) Limited | Wholesale & retail | 2012 |
| Brook Valley Glamping Limited | Hospitality | 2021 |
| Brookfield Comfort Ltd | Wholesale & retail | 2019 |
| Brooks Art C.I.C. | Arts & recreation | 2014 |
| Broomfield Homes Ltd | Construction | 2020 |
| Brothers in Arms Moto Ltd | Wholesale & retail | 2021 |
| Bryndale Limited | Wholesale & retail | 2025 |
| Burkett Industries Limited | Hospitality | 2025 |
| C & L 24HR Emergency Drainage Limited | Construction | 2012 |
| C and H Events Limited | Hospitality | 2024 |
| C Barnes Hairdressers Ltd | Administrative & support | 2017 |
| C Davies Groundworks Limited | Agriculture & fishing | 2026 |
| C Thru Windows (Shropshire) Ltd | Construction | 2023 |
| C Wright Services Ltd | Construction | 2024 |
| C&C Sport&Classics&Cars Ltd | Water & waste | 2019 |
| C.N.I.C. Limited | Professional & scientific | 2011 |
| Cadwallader & Co LLP | | 2006 |
| Callawood Limited | Professional & scientific | 2012 |
| Calon Ddraig CIC | Health & social care | 2025 |
| Cambrian Training (Trustee) Limited | Professional & scientific | 2025 |