| Berkeley Inns Limited | Hospitality | 2014 |
| Bespoke Travel Experiences Limited | Administrative & support | 2025 |
| Best Properties (UK) Limited | Real estate | 2004 |
| Beth's Kitchen Ltd | Manufacturing | 2022 |
| Bethseller Limited | Wholesale & retail | 2017 |
| Bettson Logistics Ltd | Transport & logistics | 2025 |
| Beyond Cute Limited | Wholesale & retail | 2017 |
| Bharathi Sanghani Ltd | Arts & recreation | 2020 |
| BHP Equestrian Ltd | Agriculture & fishing | 2021 |
| Billings Group Limited | Administrative & support | 2015 |
| Billione Ltd. | Information & communication | 2014 |
| Biodegradable Plastic Products Limited | Wholesale & retail | 2019 |
| Bioteknic Limited | Manufacturing | 2025 |
| Birdsgrove Fishing 2007/10 Limited | Extraterritorial | 2013 |
| Birmingham Great Park Limited | Real estate | 1991 |
| Black Box Cabins Ltd | Hospitality | 2021 |
| Black Stag Engineering Ltd | Professional & scientific | 2023 |
| Bliss Transport Limited | Transport & logistics | 2017 |
| Bloom Outdoor Limited | Wholesale & retail | 2020 |
| Blount Logistics Limited | Financial services | 2014 |
| Blue Bell Kirk Langley Limited | Hospitality | 2016 |
| Blue Fish Marketing Ltd | Professional & scientific | 2026 |
| Blue John Gallery Limited | Extraterritorial | 2018 |
| Blue Merle Limited | Agriculture & fishing | 2002 |
| Blythe Bridge Hall Farm Limited | Agriculture & fishing | 2013 |
| Bmbg Property Ltd | Real estate | 2025 |
| Board Assure Ltd | Information & communication | 2025 |
| Boatstays Limited | Other services | 2024 |
| Bodhi Tree Consulting Limited | Professional & scientific | 2012 |
| Boith Limited | Administrative & support | 1979 |
| Boldrealm Limited | Hospitality | 1988 |
| Bonsoft Limited | Information & communication | 1994 |
| Boobydoo Limited | Wholesale & retail | 2005 |
| Boundless Worldwide Ltd | Other services | 2008 |
| Bovey & Weston Limited | Administrative & support | 2004 |
| Bowmer Bond Trustees Limited | Administrative & support | 2022 |
| Boxfast Printcut Ltd | Wholesale & retail | 2025 |
| Bpem Holdco Limited | Financial services | 2024 |
| Bradbourne Mill (Tissington) Management Company Limited | Real estate | 2008 |
| Bradley Accounting Plus Ltd | Professional & scientific | 2019 |
| Bradley Park Management Company Limited | Real estate | 2011 |
| Brailsford and Ednaston Village Hall Ltd | Arts & recreation | 2023 |
| Brailsford Investments Limited | Real estate | 2001 |
| Brailsford Medical Limited | Health & social care | 2011 |
| Bramblesky Direct Ltd | Wholesale & retail | 2021 |
| Bramblesky Ltd | Wholesale & retail | 2017 |
| Breathaboard Limited | Extraterritorial | 2016 |
| Bricksandwatercreative Ltd | Information & communication | 2020 |
| Bright Lighting Solutions Limited | Wholesale & retail | 2002 |
| Brightworthy Limited | Professional & scientific | 2024 |
| Broadholme Developments Limited | Construction | 2018 |
| Broadholme Equine Ltd | Agriculture & fishing | 2019 |
| Brocksford FAB Ltd | Administrative & support | 2023 |
| Bromley Timber and Builders Merchant Ltd | Wholesale & retail | 2011 |
| Brook House & Partners Limited | Professional & scientific | 2019 |
| Brooksbank Clothing Ltd | Wholesale & retail | 2023 |
| Brooksden Solutions Limited | Wholesale & retail | 2025 |
| Brookwood Farm Holiday Cottages Limited | Hospitality | 2025 |
| Brookwood Farm Management Limited | Real estate | 2024 |
| Brookwoods Ltd | Wholesale & retail | 2022 |
| Brownstock UK Limited | Administrative & support | 2013 |
| Bryn Farm Limited | Agriculture & fishing | 2013 |
| BTF Developments Ltd | Construction | 2022 |
| Bucci Ltd | Hospitality | 2023 |
| Buckler Property Limited | Real estate | 2020 |
| Budge Nutrition Ltd | Manufacturing | 2025 |
| Bull Brothers Property Co. Ltd | Real estate | 2026 |
| Burbage Heights (Buxton) Management Company Limited | Households | 2007 |
| Buxton Hall Farm Residents Limited | Households | 2002 |
| Buxton Road (Carrington) Management Company Limited | Real estate | 2005 |
| C & J Sales Limited | Wholesale & retail | 2020 |
| C & R Livestock Haulage Limited | Transport & logistics | 2010 |
| C a B Groundworks Limited | Construction | 2014 |
| C G Barks Limited | Professional & scientific | 2014 |
| C&C Paving Designs Ltd | Administrative & support | 2014 |
| C. W. Jones & SON Limited | Other services | 2014 |
| C.F. Edge & Partners Limited | Agriculture & fishing | 2002 |
| C4LOG Ltd | Professional & scientific | 2023 |
| Cablearc Assemblies Limited | Manufacturing | 2021 |
| Cabone Ltd | Wholesale & retail | 2021 |
| Cacklehill Ltd | Professional & scientific | 2021 |
| Caldene Properties Ltd | Real estate | 2005 |
| Calton (Holdings) Limited | Information & communication | 1998 |
| Calton Moor Flyers Club Limited | Arts & recreation | 2002 |
| Candy Carvery Limited | Hospitality | 2026 |
| Carbon Nurture Ltd | Administrative & support | 2025 |
| Carfile Contracts & Leasing Limited | Wholesale & retail | 1986 |
| Carrick Photography Ltd | Professional & scientific | 2026 |
| Carsington Sailing Ltd | Education | 2025 |
| Carter Plumbing & Bathrooms Limited | Construction | 2013 |
| Casmarine Healthcare Ltd | Health & social care | 2025 |
| Castlewood Business Park Management Company Limited | Real estate | 2011 |
| Castlewood Joinery Limited | Manufacturing | 2002 |
| Catherine Etherington Financial Services Limited | Financial services | 2020 |
| CDF Systems Limited | Construction | 2021 |
| CDS Bearings+Seals Ltd | Wholesale & retail | 2013 |
| Cealchylle Limited | Real estate | 2004 |
| Cedar Financial Planning Limited | Financial services | 2006 |
| Cedars Somersall Management Limited | Real estate | 2006 |
| Centriservices Limited | Professional & scientific | 2005 |