| Capital Consultancy Services Ltd | Professional & scientific | 2016 |
| Capital Estates Property Management Ltd | Households | 2021 |
| Capital Fleet Ltd | Administrative & support | 2026 |
| Capital Fresh Fruits & VEG Limited | Wholesale & retail | 2024 |
| Capital Fresh Produce Limited | Wholesale & retail | 2018 |
| Capital Investment Solutions Ltd | Real estate | 2025 |
| Capital Landmark Limited | Real estate | 2022 |
| Capital Relief Ltd | Administrative & support | 2021 |
| Capital Services Solution Ltd | Administrative & support | 2021 |
| Capital Vehicle Rentals Ltd | Administrative & support | 2025 |
| Capitalbridge Consulting Ltd | Professional & scientific | 2023 |
| Capones Bradford Ltd | Hospitality | 2026 |
| Cappy Sales Ltd | Other services | 2025 |
| Capra Apparel Ltd | Wholesale & retail | 2020 |
| Caps Goat Limited | Manufacturing | 2025 |
| Caps Goat Plates Ltd | Manufacturing | 2026 |
| Capstone IT Solutions Ltd | Information & communication | 2022 |
| Captain Recruitment Limited | Administrative & support | 2025 |
| Captn Recruitment Ltd | Administrative & support | 2025 |
| Capture Media Group Limited | Professional & scientific | 2015 |
| Captured Limited | Administrative & support | 2012 |
| Car Choice Direct Ltd | Wholesale & retail | 2023 |
| Car Craft Motors Ltd | Wholesale & retail | 2025 |
| Car Envy Ltd | Wholesale & retail | 2022 |
| Car Karz Ltd | Wholesale & retail | 2024 |
| Car Key Problems Limited | Other services | 2021 |
| Car Makeover Limited | Wholesale & retail | 2025 |
| Car Mats Direct Ltd | Wholesale & retail | 2025 |
| Car Partz Ltd | Wholesale & retail | 2016 |
| Car Porters Ltd | Wholesale & retail | 2019 |
| Car Quest Leeds Limited | Wholesale & retail | 2024 |
| Car Sales 99 Ltd | Wholesale & retail | 2025 |
| Car Shop 365 Ltd | Wholesale & retail | 2016 |
| Car Wish Ltd | Wholesale & retail | 2023 |
| Car Zone Bradford.Com Limited | Wholesale & retail | 2022 |
| Caravan Sales Fife Ltd | Wholesale & retail | 2025 |
| Caravans North Ltd | Wholesale & retail | 2016 |
| Carbery Consulting Limited | Professional & scientific | 2020 |
| Carbon Compliance Ltd | Professional & scientific | 2019 |
| Carbon Down Ltd | Professional & scientific | 2019 |
| Carbon Imagineering Ltd | Information & communication | 2014 |
| Carbon Neutral Grants Ltd | Other services | 2023 |
| Carbon Project Developments Ltd | Information & communication | 2010 |
| Carbon Reign Ltd | Manufacturing | 2025 |
| Card City Retail Limited | Wholesale & retail | 2012 |
| Card House RTM Company Limited | Households | 2024 |
| Carda Consultancy Ltd | Professional & scientific | 2025 |
| Cardboard Culture Ltd | Wholesale & retail | 2025 |
| Cardelium Ltd | Wholesale & retail | 2013 |
| Cardinal Innovations Ltd | Manufacturing | 2011 |
| Cardinal IP Limited | Administrative & support | 2012 |
| Cardinal Limited | Professional & scientific | 2008 |
| Cardinal Plastics & Displays Limited | Manufacturing | 2003 |
| Cardinal Project Management Limited | Manufacturing | 1998 |
| Care 247 Support Ltd | Health & social care | 2026 |
| Care Accountancy Bradford Ltd | Professional & scientific | 2013 |
| Care and Co Healthcare Ltd | Administrative & support | 2024 |
| Care and Learn Hub Ltd | Administrative & support | 2025 |
| Care and Wellbeing Services Limited | Administrative & support | 2024 |
| Care Blue Holdings Ltd | Financial services | 2025 |
| Care Blue Recruitment & Services Ltd. | Administrative & support | 2016 |
| Care Connections 12 Ltd | Administrative & support | 2018 |
| Care Excellence Partnership Ltd | Health & social care | 2011 |
| Care Homes HQ Ltd | Health & social care | 2025 |
| Care in Hearts Housing Limited | Real estate | 2022 |
| Care Pharma Bradford Limited | Wholesale & retail | 2015 |
| Care Pharma LOW Moor Limited | Health & social care | 2022 |
| Care Social Inclusion Limited | Health & social care | 2023 |
| Care Standard Limited | Administrative & support | 2015 |
| Care to Flourish Limited | Hospitality | 2025 |
| Care Unique Ltd | Health & social care | 2005 |
| Care Utmost Limited | Health & social care | 2014 |
| Care Wern Stores Limited | Wholesale & retail | 2024 |
| CARE2CARE (Yorkshire) Ltd | Health & social care | 2015 |
| Careblue Services Ltd | Information & communication | 2020 |
| Careguard Force Ltd | Health & social care | 2025 |
| Carelife Recruitment Ltd | Health & social care | 2011 |
| Carelinks Healthcare Ltd | Public administration | 2023 |
| Caremall Ltd | Wholesale & retail | 2025 |
| Carers Team Ltd | Public administration | 2025 |
| Carexos Limited | Professional & scientific | 2021 |
| Cargomatch AI Limited | Transport & logistics | 2026 |
| Cargosolutionsuk Limited | Transport & logistics | 2007 |
| Caribbean Paradise Ltd | Other services | 2026 |
| Carige Limited | Financial services | 2015 |
| Caring Collective Ltd | Health & social care | 2023 |
| Caring for Ears Ltd | Wholesale & retail | 2022 |
| Carlens Ltd | Wholesale & retail | 2026 |
| Carleton Recycling Limited | Water & waste | 2025 |
| Carlton Academy Trust | Education | 2019 |
| Carlton Antiques Limited | Wholesale & retail | 2004 |
| Carlton Driveways Limited | Construction | 2021 |
| Carlton Paving Limited | Construction | 2021 |
| Carly Agnes Ltd | Professional & scientific | 2019 |
| Carmis Properties Limited | Real estate | 2017 |
| Carnivex Pet Treats Ltd | Wholesale & retail | 2026 |
| Carolinadeivid Ltd | Wholesale & retail | 2019 |
| Caroline 1 Ltd | Transport & logistics | 2018 |
| Carousel Home Improvements Ltd | Construction | 2008 |
| Carousel Windows Ltd | Manufacturing | 2012 |