| Buyfirst Ltd | Wholesale & retail | 2025 |
| Bvss Holdings Limited | Financial services | 2018 |
| Bvss Ltd | Health & social care | 2012 |
| BW Car Sales Ltd | Wholesale & retail | 2024 |
| BY Jessica Beauty & Aesthetics Ltd | Health & social care | 2024 |
| BY Jezamay Ltd | Other services | 2025 |
| Byrne Lettings Ltd | Real estate | 2020 |
| Byrom Solicitors Ltd | Professional & scientific | 2022 |
| Bysapio Limited | Information & communication | 2019 |
| Byteboost Ltd | Information & communication | 2025 |
| BZ Hold Co Limited | Financial services | 2025 |
| C & R Drylining Limited | Construction | 2018 |
| C & S Amoah Limited | Health & social care | 2025 |
| C & S Hospitality Limited | Hospitality | 2016 |
| C & S Vaughan Limited | Financial services | 2017 |
| C and H Precision Measuring Systems Limited | Manufacturing | 2002 |
| C Cubed Limited | Professional & scientific | 2014 |
| C D Property Holdings (North West) Ltd | Real estate | 2025 |
| C Egan Ltd | Hospitality | 2018 |
| C J Contract Cleaning Limited | Other services | 2010 |
| C K Motors Limited | Wholesale & retail | 2016 |
| C M Services Lancs Limited | Real estate | 2020 |
| C P Saunders Consultancy Limited | Other services | 2014 |
| C P Simm Limited | Administrative & support | 2019 |
| C S H Transport and Forwarding Limited | Transport & logistics | 1979 |
| C S H Transport Holdings Limited | Professional & scientific | 2010 |
| C U Heating Limited | Professional & scientific | 2005 |
| C&C Textiles Limited | Manufacturing | 2022 |
| C&D Lifestyle Ltd | Real estate | 2021 |
| C&G Meat Products Ltd | Manufacturing | 2019 |
| C&M Ltd | Wholesale & retail | 2019 |
| C&R Architectural Hardware Limited | Wholesale & retail | 2009 |
| C&W Engineering Limited | Administrative & support | 2010 |
| C. Robinson Builders Limited | Construction | 2006 |
| C.F.G. Site Services Ltd | Professional & scientific | 2022 |
| C.F.S Engineering & Pneumatic Services Limited | Wholesale & retail | 1969 |
| C.Olpin Advisory Ltd | Information & communication | 2023 |
| C.R.E. Investments LLP | | 2011 |
| C11 WWP Ltd | Wholesale & retail | 2021 |
| CA Wash Ltd | Administrative & support | 2025 |
| Cable Exchange Company (UK) Ltd | Professional & scientific | 2019 |
| Cable Exchange Group Ltd | Financial services | 2014 |
| Cabouse Ltd | Information & communication | 2019 |
| Cachi AI Ltd | Information & communication | 2025 |
| Cad-Capture Group Limited | Information & communication | 1991 |
| Cad-Capture Software Solutions Limited | Information & communication | 2009 |
| Caed & Co Wheels Ltd | Wholesale & retail | 2019 |
| Cafe @ Wigan Ltd | Hospitality | 2024 |
| Cafe Cloud Kitchen Ltd | Information & communication | 2025 |
| Cafe Raha Ltd | Hospitality | 2024 |
| Caffee Impresso Ltd | Hospitality | 2020 |
| Café Blanć Limited | Hospitality | 2023 |
| Calculayte Limited | Professional & scientific | 2015 |
| Calendarsrus Limited | Manufacturing | 2023 |
| Calibrate Information Sciences Consultancy Ltd | Professional & scientific | 2018 |
| Call Cafe Ltd | Administrative & support | 2022 |
| Calle Fashion Limited | Wholesale & retail | 2024 |
| Calming Arts Ltd | Wholesale & retail | 2024 |
| Calsands 400 Limited | Other services | 2020 |
| Calypso Restaurant Limited | Other services | 2011 |
| Cambay Villas Ltd | Real estate | 2025 |
| Camborne Slate Limited | Extraterritorial | 2014 |
| Camel Trans Ltd | Transport & logistics | 2017 |
| Camick Limited | Financial services | 2013 |
| Camilla Consultancy Group Limited | Professional & scientific | 2024 |
| Campbell Muir Limited | Administrative & support | 2024 |
| Camper-Beds.Co.Uk Ltd | Manufacturing | 2026 |
| Camperversions Ltd | Manufacturing | 2012 |
| Campervirgins Ltd | Wholesale & retail | 2020 |
| CAN Haulage Ltd | Transport & logistics | 2024 |
| CAN Traders Limited | Wholesale & retail | 2024 |
| Can-Do Kids CIC | Education | 2025 |
| Canes Norton Developments Limited | Real estate | 2023 |
| Canterbury Fireplaces Limited | Wholesale & retail | 2003 |
| Canterbury MOT Ltd | Wholesale & retail | 2023 |
| Canwestern Ltd | Health & social care | 2013 |
| Capelli Remi (Chorley) Limited | Wholesale & retail | 2018 |
| Capricorn Services ( Central) Ltd | Other services | 2024 |
| Capslock Security Ltd | Information & communication | 2025 |
| Car & Go Ltd | Wholesale & retail | 2025 |
| Car Communications Limited | Wholesale & retail | 2000 |
| Car Drip Valeting Limited | Administrative & support | 2026 |
| Car Garage Ltd | Wholesale & retail | 2025 |
| Car PAD Ltd | Wholesale & retail | 2019 |
| Car Parts Peugeot Citroen Ltd | Wholesale & retail | 2020 |
| Car Parts Shop One Ltd | Wholesale & retail | 2014 |
| Car Star BCN Limited | Wholesale & retail | 2025 |
| Car Van Bike Ltd | Wholesale & retail | 2024 |
| Cara Louise Nails & Beauty Limited | Other services | 2016 |
| Caravan Lets Ltd | Hospitality | 2025 |
| Carcare (Wilpshire) Limited | Manufacturing | 2006 |
| Care 2 Care Recruitment Ltd | Other services | 2020 |
| Care and Beauty Limited | Other services | 2023 |
| Care Comfort Services Ltd | Health & social care | 2024 |
| Care Commercial Holdings Limited | Financial services | 2023 |
| Care Costs Ltd | Professional & scientific | 2018 |
| Care Fees 4U Ltd | Administrative & support | 2017 |
| Care Link North West Limited | Health & social care | 2025 |
| Care Network (Blackburn With Darwen) Ltd | Information & communication | 2007 |
| Care Station (NW) Ltd | Health & social care | 2019 |