| Boora Homes Ltd | Real estate | 2021 |
| Booze Trading Ltd | Wholesale & retail | 2023 |
| Boscobel Estate TMO Limited | Households | 2008 |
| Bowen's Group Ltd | Administrative & support | 2025 |
| Bowgriff Sections (2007) Limited | Manufacturing | 2007 |
| Boxitech Enterprises Limited | Professional & scientific | 2012 |
| Bradley Rhodes Limited | Professional & scientific | 2000 |
| Braidrr Ltd | Information & communication | 2026 |
| Branching OUT Property Services Ltd | Construction | 2019 |
| Brar Transport Services Ltd | Transport & logistics | 2024 |
| Bread Savvy Media Ltd | Wholesale & retail | 2026 |
| Breeze Bookkeeping Services Ltd | Administrative & support | 2018 |
| Breeze Professionals Ltd | Administrative & support | 2026 |
| Brickjoints Ltd | Extraterritorial | 2021 |
| Bricksnblocks Ltd | Construction | 2025 |
| Bridge Interiors Ltd | Wholesale & retail | 2022 |
| Brightway Rides Ltd | Transport & logistics | 2025 |
| Broadhaven Group Holdings Limited | Financial services | 2025 |
| Broadhaven Homes Ltd | Construction | 2013 |
| Broadhaven Pensnett Limited | Construction | 2019 |
| Brook Band Limited | Water & waste | 2020 |
| Brothers LAB Ltd | Professional & scientific | 2022 |
| BRV Breaks Limited | Wholesale & retail | 2024 |
| Bryant Electrical (Midlands) Limited | Construction | 2004 |
| Bryant Maintenance Limited | Extraterritorial | 2009 |
| Brymill Industrial Estate Management Company Limited | Administrative & support | 2016 |
| BS Sahi Transport Ltd | Transport & logistics | 2020 |
| BSB House Maintenance Ltd | Construction | 2020 |
| Bscc Trading Limited | Hospitality | 2013 |
| Budviews Limited | Information & communication | 2025 |
| Build Heritage Planning Limited | Extraterritorial | 2012 |
| Bullbarrow Products Limited | Manufacturing | 2019 |
| Bulova Ltd | Wholesale & retail | 2023 |
| BUN and Pizza Ltd | Hospitality | 2026 |
| BUN Takeaway Ltd | Hospitality | 2023 |
| Burra Properties Ltd | Real estate | 2025 |
| Bustle About Limited | Manufacturing | 2016 |
| Buttercup Tearoom Ltd | Hospitality | 2021 |
| Buygood Ltd | Wholesale & retail | 2016 |
| BY Joti Limited | Manufacturing | 2024 |
| Bywell Springs and Pressings Limited | Manufacturing | 1991 |
| C & K Holistic Care Company Limited | Health & social care | 2019 |
| C Dhillon Logistics Ltd | Transport & logistics | 2024 |
| C G Steel Structures Limited | Construction | 2011 |
| C&T Capital Limited | Real estate | 2026 |
| C.W. Spinnings Limited | Manufacturing | 2006 |
| Cactus Ventures Limited | Real estate | 2020 |
| Caggys Limited | Manufacturing | 2020 |
| Cake Ladoo Ltd | Manufacturing | 2021 |
| Cake Layers Limited | Manufacturing | 2018 |
| Cakes by O.E Ltd | Manufacturing | 2026 |
| Called OUT Ministry Ltd | Other services | 2024 |
| Camelot Corp UK Limited | Professional & scientific | 1996 |
| Capital Driving School Limited | Education | 2019 |
| Car Box Ltd | Wholesale & retail | 2021 |
| Car VIP Limited | Wholesale & retail | 2025 |
| Carcare Repair Midlands Limited | Wholesale & retail | 2016 |
| Cards Investments Ltd | Financial services | 2025 |
| Cargo Swift Transport Ltd | Transport & logistics | 2026 |
| Caringwithdignity Ltd | Health & social care | 2022 |
| Carpro Parts Limited | Wholesale & retail | 2020 |
| Carproplus Limited | Wholesale & retail | 2014 |
| Carrs Tool Steels Holdings Limited | Professional & scientific | 2013 |
| Carrs Tool Steels Limited | Wholesale & retail | 1991 |
| Casa Elite Properties Ltd | Real estate | 2025 |
| Casa Urban Ltd | Real estate | 2013 |
| Cashral Estates Ltd | Real estate | 2026 |
| CBC Holdings Limited | Manufacturing | 1999 |
| CBC International Limited | Professional & scientific | 1989 |
| CBR Star Limited | Transport & logistics | 2025 |
| CBS & Sons Ltd | Professional & scientific | 2024 |
| CCR Forming Ltd | Manufacturing | 1979 |
| CDM Virtual Services Ltd | Administrative & support | 2025 |
| CDP Couriers Limited | Transport & logistics | 2018 |
| Central Housing Solutions Ltd | Real estate | 2020 |
| CFM Wealth Management Ltd | Financial services | 2024 |
| CFS Logistics Ltd | Transport & logistics | 2011 |
| Chahal Properties Ltd | Real estate | 2017 |
| Chahal Property Ltd | Real estate | 2025 |
| Chahal Space Ltd | Hospitality | 2025 |
| Chana Electricals Ltd | Construction | 2017 |
| Charles Arden Ltd | Real estate | 2025 |
| Charly T'S Recovery Ltd | Wholesale & retail | 2025 |
| Charly T’S Cafe Ltd | Hospitality | 2025 |
| Chasing Tenths Ltd | Information & communication | 2024 |
| Chatsworth UK Limited | Manufacturing | 1999 |
| Cheema Tour and Travel Limited | Administrative & support | 2025 |
| Cherryplentychildcare Ltd | Education | 2024 |
| CHILL0X Studio Ltd | Other services | 2025 |
| Chimaur Ltd | Health & social care | 2019 |
| Cholan Global Retail PVT Ltd | Wholesale & retail | 2025 |
| Chopra Master Cut’Z Ltd | Other services | 2023 |
| Choudhry Thoyab Halal Meat Limited | Wholesale & retail | 2018 |
| Chris Maynard Ltd | Education | 2015 |
| Chrispii Limited | Hospitality | 2020 |
| Chronickel Limited | Manufacturing | 2020 |
| Church Mews (Tipton) Management Company Limited | Administrative & support | 1991 |
| Churchfield Avenue RTM Company Limited | Households | 2006 |
| Churchill Taxation Small Business Limited | Professional & scientific | 2014 |
| Cihodari Car Sales Ltd | Wholesale & retail | 2022 |