| Atam Technologies Limited | Manufacturing | 2014 |
| Atlasco Constructional Engineers Limited | Construction | 1959 |
| ATS Property Holdings Ltd | Real estate | 2020 |
| ATT Sports Limited | Information & communication | 2019 |
| Atticus Solicitors Limited | Professional & scientific | 2009 |
| Aurora Nine Cleaning Ltd | Administrative & support | 2023 |
| AVT Logistics Ltd | Transport & logistics | 2010 |
| AWJ Automotive Ltd | Wholesale & retail | 2011 |
| Axair Fans UK Limited | Manufacturing | 1992 |
| Axair Group Limited | Financial services | 2019 |
| Axair Limited | Wholesale & retail | 2013 |
| Axair Refrigeration Limited | Wholesale & retail | 2016 |
| Axis Forktruck Services Limited | Manufacturing | 2016 |
| Axis Hydraulics Limited | Manufacturing | 1994 |
| Ayub Khan Surgicare Ltd | Professional & scientific | 2011 |
| B a Bandicoot Ltd | Real estate | 2001 |
| B and B Electrical Contractors Ltd | Manufacturing | 2003 |
| B S Marson and Sons Limited | Wholesale & retail | 1993 |
| B.S. Marson and Sons (Holdings) Limited | Financial services | 1994 |
| B.S. Marson Limited | Wholesale & retail | 1994 |
| Babel Bars Limited | Hospitality | 2017 |
| Bang Tidy Shoe Repairs Limited | Administrative & support | 2005 |
| Bar 10 Harriseahead Ltd | Hospitality | 2022 |
| Barlow and Cartwright (Holdings) Ltd | Professional & scientific | 2020 |
| Barlows Holdings Limited | Real estate | 1920 |
| Barlows Limited | Real estate | 2001 |
| Barlows Properties Portfolio Limited | Real estate | 2004 |
| Barlows Property Services Limited | Real estate | 2015 |
| Baronbury Limited | Manufacturing | 1975 |
| Barrie's Butty Bar Ltd | Hospitality | 2025 |
| BE Consultant Engineering Limited | Construction | 2017 |
| BEC Electrical & Solar Limited | Construction | 2025 |
| Beckett Property Developments Ltd | Real estate | 2024 |
| BEE Curious Childcare @ Glebe Farm Limited | Health & social care | 2026 |
| BEE Curious Childcare @ the Willows Limited | Health & social care | 2026 |
| BEE Curious Group Limited | Financial services | 2026 |
| BEE Professionals UK Ltd | Wholesale & retail | 2019 |
| BEN Mills Property Investments Ltd | Real estate | 2025 |
| Benivy Limited | Wholesale & retail | 2023 |
| Better Homes (Newcastle Under Lyme) Limited | Wholesale & retail | 2009 |
| BH & Sons Property Limited | Real estate | 2024 |
| Bids Partner Ltd | Administrative & support | 2019 |
| Biketech Stoke Limited | Wholesale & retail | 2012 |
| Bite Brands Ltd | Hospitality | 2020 |
| BLC Retail (Stoke) Limited | Wholesale & retail | 2026 |
| Blitz Properties Ltd | Real estate | 2021 |
| Blue Bubble Creative Studios Ltd | Extraterritorial | 2025 |
| Blue Maya Physio Ltd | Health & social care | 2021 |
| Blueberry Braces Limited | Health & social care | 2020 |
| BM Grafix Ltd | Professional & scientific | 2007 |
| Boars Head Estates LLP | | 2017 |
| BOB Gutteridge Limited | Real estate | 2002 |
| Bollards Limited | Extraterritorial | 2002 |
| Bona Fortuna Limited | Hospitality | 2023 |
| Booking Q Ltd | Information & communication | 2013 |
| Boothycan.Com Limited | Real estate | 2020 |
| Borrowed Tune Limited | Information & communication | 2016 |
| Boston Interiors Limited | Manufacturing | 1993 |
| Boswell Property Letting Ltd | Real estate | 2024 |
| Bourne Network Security & Electrical Services Ltd | Construction | 2021 |
| Bowei Industry Ltd | Wholesale & retail | 2023 |
| Bowers Distribution Limited | Transport & logistics | 1997 |
| Bowmar Accountancy Ltd | Professional & scientific | 2011 |
| Bradwell Hall Nursing Home Limited | Health & social care | 1988 |
| Brampton Court Management Company Limited | Professional & scientific | 1980 |
| Brampton Recruitment Limited | Administrative & support | 2006 |
| Branch OUT Properties Limited | Real estate | 2021 |
| Brass Fork Ltd | Professional & scientific | 2024 |
| Brazier Construction (Stoke on Trent) Limited | Construction | 2004 |
| Breeze Bowls Ltd | Hospitality | 2024 |
| Bright and Wonderful Care Limited | Health & social care | 2023 |
| Bright Bloom Creative Limited | Information & communication | 2024 |
| Brighter Sparkz Ltd | Education | 2020 |
| Britannia Lock & Safe Limited | Manufacturing | 1996 |
| Britannia Safes Limited | Manufacturing | 2019 |
| Britco Industries Ltd | Manufacturing | 2026 |
| Broadleaf Interiors Ltd | Construction | 2014 |
| Bros Parcel Express Ltd | Administrative & support | 2016 |
| Brownlee & Associates Ltd | Arts & recreation | 2015 |
| Broxap Holdings Limited | Professional & scientific | 2003 |
| Broxap Limited | Manufacturing | 1991 |
| Broxap RT Protector Limited | Extraterritorial | 2011 |
| Building Safety ACT Consult Ltd | Professional & scientific | 2022 |
| Building Safety ACT Consulting Ltd | Professional & scientific | 2022 |
| Buon Forno UK Limited | Hospitality | 2023 |
| Butlers Waste Management Holdings Limited | Financial services | 2019 |
| Buwaky Homes Limited | Hospitality | 2024 |
| BY Lauren Training Ltd | Education | 2024 |
| C247 Ltd | Financial services | 2022 |
| CAH Property Investments Limited | Real estate | 2019 |
| Caja Limited | Professional & scientific | 2015 |
| Calliope Business Services Limited | Administrative & support | 2024 |
| Campaigns Holdings Ltd | Financial services | 2021 |
| Care Funding Investigations Limited | Health & social care | 2019 |
| Carey Building Services Limited | Construction | 2012 |
| Carter Street Denture Clinic Limited | Health & social care | 2014 |
| Carters Estate Agents Ltd | Real estate | 2022 |
| Caspian Bathrooms Limited | Wholesale & retail | 2010 |
| Casters at the Vault Limited | Hospitality | 2026 |
| Castilian Enterprises Limited | Education | 2015 |