| Brand Global Ltd | Hospitality | 2019 |
| Brand Monkey Promo Clothing Limited | Wholesale & retail | 2022 |
| Brayden James Developments Ltd | Construction | 2023 |
| Brazen Beauty Aesthetics Ltd | Health & social care | 2022 |
| Brazilian Hair Care Ltd | Wholesale & retail | 2017 |
| Brixxy Ltd | Wholesale & retail | 2026 |
| Broke Brothers Limited | Wholesale & retail | 2025 |
| BSB TV Ltd | Professional & scientific | 2024 |
| BSB24 Ltd | Transport & logistics | 2017 |
| BSD Transport Ltd | Transport & logistics | 2020 |
| BSZ Ltd | Health & social care | 2016 |
| Bta&P Investments Limited | Real estate | 2026 |
| BU Designs Ltd | Manufacturing | 2025 |
| Buildright Real Estate Ltd | Real estate | 2019 |
| Burley Travels Limited | Transport & logistics | 2024 |
| BWP Plastering Services Limited | Construction | 2016 |
| C & B Investments (Leic) Ltd | Real estate | 2023 |
| C a S (Leicester) Ltd | Wholesale & retail | 2018 |
| C and B Electrics Limited | Construction | 2014 |
| C.J. Bent & SON Limited | Extraterritorial | 1958 |
| CAB Sprinklers Limited | Manufacturing | 2003 |
| Cafe Bocca Limited | Hospitality | 2002 |
| Cafe Energy Ltd | Wholesale & retail | 2025 |
| Cansu Tutoring Ltd | Education | 2020 |
| Card Payments Made Easy Ltd | Other services | 2024 |
| Care With Pride & Dignity Homecare Services Ltd | Public administration | 2021 |
| Careery Ltd | Professional & scientific | 2025 |
| Caring 4 U Group Limited | Health & social care | 2023 |
| Carlton Estates and Ventures Ltd | Real estate | 2023 |
| Cars HB Limited | Wholesale & retail | 2025 |
| Cartec @ Magna Limited | Wholesale & retail | 2011 |
| Caterfix (Midlands) Limited | Manufacturing | 2002 |
| Caterlytics Limited | Hospitality | 2024 |
| Central Midlands Homes Limited | Construction | 2023 |
| Certisafe Passive Fire Systems Ltd | Public administration | 2025 |
| CG Cars (Leicester) Limited | Wholesale & retail | 2017 |
| Chalkstrim Ltd | Manufacturing | 2025 |
| Chaperone K9 Limited | Agriculture & fishing | 2010 |
| Charnwood Carpentry & Construction Limited | Construction | 2017 |
| Cheeryco Limited | Construction | 2023 |
| Chen Hope Care Limited | Health & social care | 2017 |
| Chera Enterprises Ltd | Other services | 2023 |
| Chesterfield Dental Group Limited | Health & social care | 2025 |
| Chesterfield Freeholds Ltd | Real estate | 2025 |
| Chill Associate Ltd | Professional & scientific | 2022 |
| Chjohn Limited | Health & social care | 2021 |
| Chop'D Barbers Ltd | Other services | 2020 |
| Chris Collett Plumbing & Heating Ltd | Construction | 2022 |
| Churros Bites Ltd | Hospitality | 2025 |
| Cinamon Limited | Professional & scientific | 2019 |
| Cityregen Leicester Limited | Construction | 2019 |
| CJ Telecoms & IT Consulting Ltd | Information & communication | 2014 |
| Classic Bedrooms Limited | Manufacturing | 2012 |
| Clear Hearing Care Ltd | Wholesale & retail | 2024 |
| Cliffhillbuilders Ltd | Construction | 2025 |
| Cluster One Limited | Wholesale & retail | 1996 |
| Cobra Construction Limited | Construction | 2020 |
| Codedcareer Ltd | Administrative & support | 2024 |
| Colourmy Limited | Construction | 2019 |
| Commercial Associates (Holdings) Limited | Financial services | 2024 |
| Community Justice Consultancy Limited | Professional & scientific | 2012 |
| Community MEN2MEN Buddying Limited | Health & social care | 2018 |
| Complete-Move App Ltd | Information & communication | 2025 |
| Computer Angel Services Limited | Construction | 2018 |
| COR Nobile Limited | Professional & scientific | 2011 |
| Coralis Ltd | Wholesale & retail | 2025 |
| Cosral Limited | Construction | 2023 |
| Cote Consultants Limited | Professional & scientific | 2011 |
| COX GAS Services Limited | Construction | 2009 |
| CP Care Ltd | Health & social care | 2025 |
| Creative Consultant Midland Ltd | Professional & scientific | 2025 |
| Creative Lighting Ltd | Manufacturing | 2024 |
| Creative Lighting Solutions Ltd | Manufacturing | 2024 |
| Cristal Fabric Import Ltd | Wholesale & retail | 2025 |
| Cromwell Group (Holdings) Limited | Financial services | 1983 |
| Cromwell Group (International) Limited | Wholesale & retail | 2003 |
| Cromwell Tools Limited | Wholesale & retail | 1970 |
| Crown Foodservice Ltd | Hospitality | 2025 |
| Crumpet Pubs Ltd | Hospitality | 2025 |
| CSD Healthcare Limited | Health & social care | 2022 |
| CTS (Trading) Limited | Wholesale & retail | 2007 |
| Ctsolutions Group Ltd | Construction | 2025 |
| CUE Grill and Curry House Ltd | Hospitality | 2026 |
| Custom Enterprises Limited | Professional & scientific | 2002 |
| Custom Jewellery and Cosmetics Ltd | Wholesale & retail | 2026 |
| Custom Trade Systems Ltd | Construction | 2021 |
| Cutting-Edge Detailing Limited | Wholesale & retail | 2020 |
| D B & a Limited | Real estate | 2001 |
| D Hutton Consulting Ltd | Professional & scientific | 2008 |
| D. Moore (Aquaproof) Ltd | Construction | 2018 |
| D.L. Stevenson Ltd | Construction | 2005 |
| D.P.S. Panels & Wiring Limited | Manufacturing | 2008 |
| D3 UK Enterprise Limited | Information & communication | 2015 |
| Dalby Holdings Limited | Professional & scientific | 1995 |
| Dalyan International Ltd | Wholesale & retail | 2020 |
| DAN Hickey Racing Limited | Professional & scientific | 2024 |
| Dani Capital Ltd | Financial services | 2025 |
| Data Network Security Consulting Ltd | Information & communication | 2025 |
| Davbec Alloys Ltd | Manufacturing | 2016 |
| Dave & Sons Limited | Health & social care | 2019 |