| AR Mobiles & Technology Ltd | Other services | 2019 |
| ARC Euro Trade Ltd | Administrative & support | 2004 |
| ARC Solutions Ltd | Information & communication | 2019 |
| Archive 24/7 Ltd | Information & communication | 2023 |
| ARE Consulting Services Ltd | Wholesale & retail | 2021 |
| Arfa IT Solutions Limited | Information & communication | 2021 |
| Arin Holdings Limited | Real estate | 2025 |
| ARK Spiers Limited | Financial services | 2025 |
| Arrifana View Limited | Real estate | 2016 |
| Arrk Solutions Ltd | Health & social care | 2017 |
| Art Deco Productions Limited | Arts & recreation | 2008 |
| Artability Ltd | Hospitality | 2008 |
| Arthurs of Ashby Limited | Other services | 2018 |
| Artisan of Ashby Limited | Administrative & support | 2012 |
| Artyarn Property Limited | Real estate | 2014 |
| Arundel PM Limited | Professional & scientific | 2013 |
| Asbestobel Ltd | Professional & scientific | 2011 |
| Ascebi Engineers Limited | Professional & scientific | 2018 |
| Ascend Holdings Limited | Information & communication | 2021 |
| Ascentive Consulting Limited | Professional & scientific | 2018 |
| Ashby and Richmond Property Management Limited | Real estate | 2017 |
| Ashby Baggers Cornhole Club Community Interest Company | Arts & recreation | 2023 |
| Ashby Bears Ltd | Wholesale & retail | 2022 |
| Ashby Bespoke Building Designs Ltd | Construction | 2025 |
| Ashby BID Company Ltd | Other services | 2021 |
| Ashby Canal Association | Other services | 1997 |
| Ashby Construction Company Limited | Construction | 1978 |
| Ashby Delight Limited | Hospitality | 2016 |
| Ashby Ivanhoe Football Club CIC | Education | 2019 |
| Ashby Lettings Limited | Real estate | 2016 |
| Ashby Motorhome Hire Ltd | Administrative & support | 2025 |
| Ashby Osteopaths Ltd | Health & social care | 2025 |
| Ashby Partitioning Company Limited | Construction | 1982 |
| Ashby Restaurant Limited | Hospitality | 2025 |
| Ashby Rugby Football Club Limited | Arts & recreation | 2011 |
| Ashby Self Storage Limited | Agriculture & fishing | 2016 |
| Ashby Tasty Limited | Hospitality | 2025 |
| Ashby Vape Ltd | Wholesale & retail | 2025 |
| Ashbycabs Limited | Transport & logistics | 2025 |
| Ashe Associates Limited | Other services | 2023 |
| Ashe Property Holdings Ltd | Real estate | 2024 |
| Asifs Afro Caribbean Groove Ltd | Financial services | 2011 |
| ASK Millers Limited | Wholesale & retail | 2006 |
| ASKUS2DRIVE Limited | Administrative & support | 2016 |
| ASP Engineering UK Limited | Professional & scientific | 1997 |
| ASP World Ltd | Professional & scientific | 2018 |
| Aspire Health & Care Holdings Limited | Health & social care | 2017 |
| Aspire Health and Care Limited | Health & social care | 2010 |
| Aspirzing Solutions Ltd | Information & communication | 2021 |
| Assetshaw Limited | Wholesale & retail | 1983 |
| Atlas FS Ltd | Construction | 2025 |
| Atlas Property Improvements Ltd | Construction | 2026 |
| Atts Transport & Driver Solutions Limited | Transport & logistics | 2020 |
| Automotive Modelling Solutions Limited | Administrative & support | 2010 |
| Aviation Recruitment & Referencing Ltd | Other services | 2020 |
| AWC Wealth Management Limited | Professional & scientific | 2003 |
| Axym Ltd | Health & social care | 2023 |
| Ayegardening Limited | Administrative & support | 2012 |
| B & J Blacksmiths Limited | Manufacturing | 2007 |
| B M King Groundworks Limited | Construction | 2010 |
| B&H Installations Ltd | Construction | 2012 |
| Baaabar’S Ltd | Hospitality | 2023 |
| Bailey Property South Derbyshire Ltd | Real estate | 2023 |
| Ballance Property Ltd | Real estate | 2018 |
| Bankvale Ltd | Professional & scientific | 2004 |
| Bantha Bars Ltd | Hospitality | 2025 |
| Barbara Piercey Limited | Construction | 2013 |
| Barbourfba Limited | Information & communication | 2022 |
| Barrs & SON Plumbing & Heating Ltd | Construction | 2017 |
| Barsby Estates Limited | Real estate | 2017 |
| Bartlett James Risk Solutions Limited | Financial services | 2018 |
| Basuka Consulting Limited | Professional & scientific | 2017 |
| Bateson Solutions Limited | Professional & scientific | 2011 |
| BE Payroll Limited | Administrative & support | 2021 |
| Beam of Hope Care Ltd | Public administration | 2023 |
| Bear Minerals Ltd | Wholesale & retail | 2024 |
| Bee-Efficient Virtual PA Services Ltd | Professional & scientific | 2020 |
| Beehive Leisure Limited | Hospitality | 2006 |
| Behr Products Ltd | Wholesale & retail | 2020 |
| Belvarde Limited | Information & communication | 2003 |
| Belvoir Developments Ltd | Construction | 2010 |
| BEN Evans Commercials Limited | Wholesale & retail | 2013 |
| BEN Evans Properties Limited | Administrative & support | 2002 |
| Bessie's Cafe Ltd | Hospitality | 2016 |
| Bestelm Ltd | Manufacturing | 2013 |
| Bethshaw.Co.Uk Ltd | Real estate | 2021 |
| Bettie's Brocante Ltd | Wholesale & retail | 2015 |
| Beumer Group UK Limited | Manufacturing | 2009 |
| Beumer Limited | Manufacturing | 2011 |
| Beumer UK Material Handling Limited | Manufacturing | 2011 |
| Beverleys DOC House Limited | Information & communication | 2026 |
| Beverleys House Ltd | Information & communication | 2020 |
| Bifunction Ltd | Information & communication | 2019 |
| Bilingual Day Nursery & Preschool Limited | Education | 2017 |
| Bilingual Day Nursery & Preschool Twycross Ltd | Education | 2026 |
| Bilingual Education Hub Ltd | Education | 2026 |
| Blackwell Systems Limited | Information & communication | 2006 |
| Bleathwood IFA Limited | Professional & scientific | 2009 |
| Blixr Ltd | Information & communication | 2019 |
| BLN Loan Syndicates Limited | Financial services | 2010 |