| Candi Property Limited | Real estate | 2018 |
| Canine Dental Ltd | Health & social care | 2024 |
| Cannock Ticketing Limited | Other services | 2016 |
| Cannock Angling Centre Ltd | Wholesale & retail | 2014 |
| Cannock Bowl Limited | Hospitality | 2022 |
| Cannock Building Group Limited | Construction | 2023 |
| Cannock Building Plastics Ltd | Wholesale & retail | 2023 |
| Cannock Car and Commercials Limited | Wholesale & retail | 2024 |
| Cannock Ceilings Insulation & Drywall Limited | Construction | 2017 |
| Cannock Chase and South Staffordshire Care 28 Limited | Health & social care | 2016 |
| Cannock Chase Garden Sales Limited | Wholesale & retail | 2021 |
| Cannock Chase High School | Education | 2011 |
| Cannock Chase Services Ltd | Other services | 2014 |
| Cannock Chase Theatre Trust CIC | Arts & recreation | 2025 |
| Cannock Chemicals Limited | Wholesale & retail | 1982 |
| Cannock Chiropractic Clinic Ltd | Health & social care | 2021 |
| Cannock CID Limited | Extraterritorial | 2017 |
| Cannock Commercials Limited | Wholesale & retail | 2003 |
| Cannock Curry Limited | Hospitality | 2024 |
| Cannock Dairies Ice Cream Vans Ltd | Hospitality | 2023 |
| Cannock Darshan Limited | Hospitality | 2024 |
| Cannock Dynamos Ltd | Arts & recreation | 2025 |
| Cannock Eats Limited | Hospitality | 2021 |
| Cannock Feast Ltd | Hospitality | 2025 |
| Cannock Flat Roofing Ltd | Construction | 2023 |
| Cannock Gates Limited | Manufacturing | 2007 |
| Cannock Health and Wellbeing Limited | Health & social care | 2022 |
| Cannock HGV Sales Ltd | Wholesale & retail | 2026 |
| Cannock HGV Training Ltd | Education | 2019 |
| Cannock Hospitality Ltd | Hospitality | 2026 |
| Cannock Intruder Alarms Limited | Other services | 2015 |
| Cannock Kitchens Ltd | Construction | 2010 |
| Cannock Locksmiths & Hardware Ltd | Wholesale & retail | 2023 |
| Cannock Martial Arts Centre Limited | Arts & recreation | 2018 |
| Cannock MEP Limited | Construction | 2021 |
| Cannock Mini Market Ltd | Wholesale & retail | 2025 |
| Cannock Optical Limited | Health & social care | 2019 |
| Cannock Premium Tyres Ltd | Other services | 2026 |
| Cannock Radio Ltd | Information & communication | 2014 |
| Cannock Resprays Limited | Wholesale & retail | 2000 |
| Cannock Roofing Ltd | Construction | 2025 |
| Cannock Rugby Union Football Club Limited | Arts & recreation | 2010 |
| Cannock Technical Services Ltd | Manufacturing | 2008 |
| Cannock Town Centre Partnership Trading AS “OUR Cannock” CIC | Other services | 2019 |
| Cannock Van Sales Limited | Wholesale & retail | 2024 |
| Cannock Window Cleaning Limited | Administrative & support | 2013 |
| Canopt Limited | Health & social care | 2025 |
| Car 360 Limited | Wholesale & retail | 2021 |
| Car Buying Guru Limited | Financial services | 2017 |
| Caravan Services West Midlands Ltd | Wholesale & retail | 2021 |
| Carbon Collectibles Ltd | Wholesale & retail | 2023 |
| Carbon-Busters (Midlands) Ltd | Wholesale & retail | 2020 |
| Cardo (Central) Limited | Construction | 2008 |
| Care and Companionship Ltd | Health & social care | 2010 |
| Care Made Clear Ltd | Professional & scientific | 2026 |
| Carl J. Brogan Limited | Transport & logistics | 1990 |
| Caroline Law Consulting Limited | Other services | 2013 |
| Carworks Midlands Bodyshop Limited | Wholesale & retail | 2012 |
| CAS Industrial Ltd | Professional & scientific | 2017 |
| Casa Logistics Ltd | Transport & logistics | 2025 |
| Cassette Creations Ltd | Information & communication | 2024 |
| Cassette Holdings Ltd | Financial services | 2024 |
| Castle Electrical Systems Ltd | Construction | 2025 |
| Castle Fasteners Limited | Wholesale & retail | 1988 |
| Castle Property Services (CPS) Limited | Construction | 2025 |
| Cata-Trac Plant Hire Limited | Transport & logistics | 1974 |
| CB Brickwork & Construction Limited | Construction | 2025 |
| CBJ Installs Limited | Construction | 2020 |
| CCC Mobile Mechanic Ltd | Wholesale & retail | 2025 |
| Cccm Limited | Professional & scientific | 2024 |
| CCM Plumbing & Heating Limited | Construction | 2014 |
| CCP Developments Ltd | Wholesale & retail | 2005 |
| CDA Services Limited | Wholesale & retail | 2022 |
| CDB Finance Limited | Financial services | 2014 |
| CDC Traffic Management Design Limited | Professional & scientific | 2025 |
| CDD Building Consultancy Ltd | Professional & scientific | 2008 |
| CDF Roofing Limited | Construction | 2022 |
| CDG Automation Ltd | Information & communication | 2023 |
| Cdjs Property Limited | Real estate | 2026 |
| CE Glazing Limited | Construction | 2020 |
| Cedar Electrical Services Ltd | Construction | 2020 |
| Cedar Properties (Midlands) Ltd | Professional & scientific | 2014 |
| Cedar Wills and Trusts Limited | Professional & scientific | 2017 |
| Cedkam Warehousing Limited | Wholesale & retail | 2026 |
| Ceej.P Limited | Professional & scientific | 2012 |
| Ceney Services Limited | Manufacturing | 2012 |
| Central & Country (Alport Road) Limited | Construction | 2020 |
| Central & Country (Badsey) Limited | Construction | 2020 |
| Central & Country (Pool Hill) Limited | Construction | 2021 |
| Central & Country (Presteigne) Limited | Construction | 2018 |
| Central & Country (Selston) Limited | Construction | 2020 |
| Central & Country (Whitchurch) Limited | Construction | 2019 |
| Central & Country (Willenhall) Limited | Construction | 2019 |
| Central & Country Construction Ltd | Construction | 2004 |
| Central & Country Developments Limited | Real estate | 2002 |
| Central Cables Limited | Wholesale & retail | 1989 |
| Central Glazing Solutions Ltd | Construction | 2021 |
| Central Heating West Midlands Limited | Construction | 2015 |
| Central Surveyors Midlands Ltd | Administrative & support | 2017 |
| Centre for Ethnoecology CIC | Professional & scientific | 2019 |