| Butt & Hobbs Holdings Limited | Financial services | 2026 |
| Buy a Vape Limited | Wholesale & retail | 2022 |
| BW Architectural Ltd | Wholesale & retail | 2026 |
| Bywell MOT Centre Ltd | Wholesale & retail | 2024 |
| C & J Blackburn LLP | | 2002 |
| C Coaches Ltd | Transport & logistics | 2019 |
| C Rooney Electrical Limited | Construction | 2016 |
| C&G Rainbird Properties Limited | Real estate | 2025 |
| C.F.P. Hydraulic Systems Limited | Manufacturing | 1995 |
| CAB 533 Ltd | Transport & logistics | 2026 |
| CAB People Ltd | Transport & logistics | 2019 |
| Cagdells Designs Ltd | Other services | 2025 |
| Caged Steel Corsa Ltd | Manufacturing | 2017 |
| Cake Temptations Ltd | Manufacturing | 2021 |
| Cakeface Official Ltd | Manufacturing | 2020 |
| Calder Beds Ltd | Wholesale & retail | 2019 |
| Calder Dyeing Limited | Manufacturing | 1998 |
| Calder Furniture Limited | Wholesale & retail | 2022 |
| Calder Group (Dewsbury) Limited | Professional & scientific | 2003 |
| Calder Health Limited | Administrative & support | 2016 |
| Calder Valley Developments Limited | Real estate | 2006 |
| Calderdale Carpets Limited | Manufacturing | 1987 |
| Calderdale Foods (Huddersfield) Ltd | Hospitality | 2024 |
| Calderdale LMC Limited | Health & social care | 2021 |
| Caldervale Technology Limited | Manufacturing | 1992 |
| Cameron Real Estate Ltd | Real estate | 2023 |
| Canna Machines UK Ltd | Wholesale & retail | 2021 |
| Capital Beds Ltd | Manufacturing | 2019 |
| Car Body Repairs (Wakefield) Limited | Wholesale & retail | 2013 |
| Car Cosmetic Centre Limited | Wholesale & retail | 2026 |
| Car Market Yorkshire Ltd | Wholesale & retail | 2023 |
| Car Parts Cabin Ltd | Wholesale & retail | 2019 |
| Car Parts Depot Ltd | Wholesale & retail | 2015 |
| Car Seat Cover UK | Wholesale & retail | 2015 |
| Carbon Auto Sales Ltd | Wholesale & retail | 2025 |
| Card Connection Limited | Extraterritorial | 1992 |
| Cargo ALL Over Limited | Transport & logistics | 2025 |
| Cargo Rescue Limited | Transport & logistics | 2026 |
| Cargo Xperts Ltd | Transport & logistics | 2024 |
| Cargoonthego Limited | Transport & logistics | 2024 |
| Carlos Cuts Ltd | Other services | 2025 |
| Carlton Cards Limited | Extraterritorial | 1899 |
| Carlton Terrace Management Ltd | Real estate | 2014 |
| Carlton Warehouse Ltd | Real estate | 2016 |
| Carpathianwolf Limited | Transport & logistics | 2025 |
| Carpet Clearance (Dewsbury) Ltd | Wholesale & retail | 2011 |
| Carr Group Limited | Health & social care | 2025 |
| Cart Direct Ltd | Wholesale & retail | 2025 |
| Cartello Limited | Wholesale & retail | 2025 |
| Casablanca (Dewsbury) Ltd | Hospitality | 2012 |
| Casablanca Hair Dressers Ltd | Other services | 2025 |
| Caspian Civil Engineering Limited | Construction | 2020 |
| Castle Motorz Ltd | Wholesale & retail | 2022 |
| Castle Sewing Machines Limited | Wholesale & retail | 2004 |
| Cat Doggo Limited | Wholesale & retail | 2025 |
| Catalum Limited | Professional & scientific | 2013 |
| Cater Jump Limited | Hospitality | 2019 |
| Catering Pack Direct Ltd | Administrative & support | 2026 |
| Catering Services Halifax Ltd | Hospitality | 2024 |
| Catling Facilities Group Ltd | Construction | 2025 |
| CBD Health Relief Ltd | Wholesale & retail | 2018 |
| CC Round Hill Ltd | Construction | 2026 |
| Cctvrus Limited | Wholesale & retail | 2019 |
| Cedar Property Solutions Limited | Real estate | 2024 |
| Ceed Partners Ltd | Information & communication | 2019 |
| Celias Beds Limited | Wholesale & retail | 2024 |
| Central Heart CIC | Education | 2024 |
| Centre of Intelligent Technologies Ltd | Information & communication | 2022 |
| Centurion Freelance Services UK Ltd | Education | 2025 |
| Centurion PPF UK Ltd | Wholesale & retail | 2024 |
| Certified International Tax Accountants Ltd | Professional & scientific | 2015 |
| Cerys Stonefield Coaching Ltd | Other services | 2025 |
| Ceylon Glow Ltd | Wholesale & retail | 2020 |
| Chaaye Paani Franchising Ltd | Hospitality | 2020 |
| Chaaye Paani Group Ltd | Wholesale & retail | 2020 |
| Chadwick Legal Ltd | Administrative & support | 2023 |
| Challenger Automotive Training & Compliance Ltd | Education | 2025 |
| Chameleon Electrical Ltd | Construction | 2020 |
| Chanchvel Ltd | Transport & logistics | 2022 |
| Chapel House Private Day Nursery Ltd | Health & social care | 2022 |
| Chapel Products Ltd | Manufacturing | 2012 |
| Charles Edwin Ltd | Real estate | 2021 |
| Chatbotics Limited | Information & communication | 2024 |
| Chelsea Beds Dewsbury Ltd | Manufacturing | 2020 |
| Chem Resist Holdings Limited | Professional & scientific | 2008 |
| Chem-Resist Plastic Fabrications Limited | Manufacturing | 1961 |
| Chemo Science Limited | Wholesale & retail | 2023 |
| Cheshire Investment Properties Limited | Real estate | 2023 |
| Chickanos Family Limited | Professional & scientific | 2015 |
| Chickanos Limited | Professional & scientific | 2014 |
| Chicken Birria Bandits Ltd | Hospitality | 2026 |
| Chickenley Community Centre | Other services | 2003 |
| Chilli Geeks Ltd | Hospitality | 2026 |
| Chilliichicks Limited | Hospitality | 2021 |
| Chipsco Limited | Hospitality | 2025 |
| Chipsdotco Limited | Hospitality | 2024 |
| Chowk Ltd | Wholesale & retail | 2023 |
| Chris Wainwright Associates Limited | Information & communication | 1997 |
| Christiansen Taylor Ltd | Wholesale & retail | 2019 |
| CHU Nelson Limited | Hospitality | 2023 |