| Crgw Exeter Limited | Health & social care | 2022 |
| Crgw Group Limited | Financial services | 2022 |
| Crgw Limited | Health & social care | 2009 |
| Crgw Plymouth Limited | Health & social care | 2019 |
| CRH Midlands Ltd | Hospitality | 2022 |
| Crick Marina Limited | Transport & logistics | 2010 |
| Cricklade House Hotel Limited | Hospitality | 2016 |
| Cricklade Property Limited | Professional & scientific | 2017 |
| Crimson Academy Ltd | Professional & scientific | 2024 |
| Crimson Creatives Ltd | Professional & scientific | 2021 |
| Cris.Uk.Com Limited | Administrative & support | 2005 |
| Crisp & COD Ltd | Hospitality | 2026 |
| Crisp Prints Ltd | Manufacturing | 2021 |
| Crisp Vocational Provision Limited | Education | 2013 |
| Cristal Retail Ltd | Wholesale & retail | 2021 |
| Cristian Trans Ltd. | Transport & logistics | 2014 |
| Cristina Casali Ltd | Information & communication | 2012 |
| Cristinela Ltd | Hospitality | 2019 |
| Critical Care Science Services Ltd | Health & social care | 2025 |
| Critical Friend Advisors Ltd | Professional & scientific | 2025 |
| Critical Insight Consulting Limited | Health & social care | 2019 |
| Critical Insight Professional Services Ltd | Health & social care | 2021 |
| Critical Shipments Ltd | Transport & logistics | 2019 |
| Critical Threshold X2 Limited | Information & communication | 2025 |
| CRN Executive Limited | Transport & logistics | 2024 |
| Crocbagg Ltd | Wholesale & retail | 2024 |
| Crochet Creations Limited | Wholesale & retail | 2025 |
| Crocus Bidco Limited | Administrative & support | 2022 |
| Crocus Midco 2 Limited | Administrative & support | 2022 |
| Crocus Midco Limited | Administrative & support | 2022 |
| Crocus Property Co. Ltd | Construction | 2018 |
| Crocus Topco Limited | Administrative & support | 2022 |
| Croft Building Solutions Limited | Construction | 2009 |
| Croft Distillery Ltd | Manufacturing | 2018 |
| Croft GP Ltd | Manufacturing | 2018 |
| Croft Hucknall Limited | Wholesale & retail | 2014 |
| Croft Motors Limited | Manufacturing | 1961 |
| Croft Tech Ltd | Professional & scientific | 2018 |
| Croft TNG Ltd | Professional & scientific | 2017 |
| Crofts & COX Capital Ltd | Real estate | 2026 |
| Crofts Developments Ltd | Construction | 2016 |
| Crois Ltd | Construction | 2025 |
| CROMFORD2 Property Ltd | Real estate | 2026 |
| Crompton Paper Limited | Extraterritorial | 2006 |
| Cronofy Limited | Information & communication | 2011 |
| Cronos Tour Ltd | Construction | 2020 |
| Cronusproperties. Ltd | Real estate | 2024 |
| Crooked Knitwear Ltd. | Manufacturing | 2014 |
| Cropham Couriers Ltd | Transport & logistics | 2021 |
| Cropredy Marina Limited | Transport & logistics | 2011 |
| Croptunity Limited | Information & communication | 2024 |
| Cropwell Bishop Creamery Limited | Manufacturing | 1941 |
| Cropwell Bishop Fine Foods Limited | Professional & scientific | 1995 |
| Cropwell Energy Limited | Wholesale & retail | 2015 |
| Cropwell Nice Barber Ltd | Other services | 2024 |
| Crosbychisango Ltd | Health & social care | 2020 |
| Cross Country Partner & Hussain 2 Limited | Real estate | 2021 |
| Cross Country Partners 1 Limited | Real estate | 2019 |
| Cross Country Partners 2 Limited | Real estate | 2019 |
| Cross Country Partners 3 Limited | Real estate | 2020 |
| Cross Country Partners 4 Limited | Real estate | 2020 |
| Cross Country Partners 5 Limited | Real estate | 2020 |
| Cross Country Partners 6 Limited | Real estate | 2020 |
| Cross Country Partners 7 Limited | Households | 2021 |
| Cross Country Partners 8 Limited | Real estate | 2018 |
| Cross Country Partners and High Pavement Limited | Real estate | 2024 |
| Cross Country Partners and Ilkeston Limited | Real estate | 2023 |
| Cross Country Partners and Long ROW Limited | Real estate | 2025 |
| Cross Country Partners and Saghir Limited | Real estate | 2021 |
| Cross Country Partners and Shah Limited | Real estate | 2020 |
| Cross Country Partners and the Leatherworks Limited | Real estate | 2023 |
| Cross Country Partners and the Pelham Limited | Construction | 2021 |
| Cross Country Partners Group Limited | Real estate | 2026 |
| Cross Country Partners Hold Co Limited | Real estate | 2026 |
| Cross Country Partners Holdings Limited | Real estate | 2026 |
| Cross Country Partners IG Limited | Real estate | 2024 |
| Cross Country Partners Landmark Limited | Real estate | 2026 |
| Cross Country Partners Limited | Real estate | 2018 |
| Cross Country Partners Newcastle Limited | Real estate | 2024 |
| Cross CUT Construction (Midlands) Ltd | Construction | 2022 |
| Cross-Riverians in the Diaspora Ltd | Other services | 2022 |
| Crosscompany Ltd | Real estate | 1961 |
| Crossfords Purveyors Ltd | Wholesale & retail | 2025 |
| Crossgen Limited | Professional & scientific | 2005 |
| Crossing the T Limited | Information & communication | 2019 |
| Crosslandswholesale Ltd | Wholesale & retail | 2025 |
| Crossleys Accountants Limited | Professional & scientific | 1987 |
| Crossleys Limited | Professional & scientific | 1999 |
| Crossman Property Group Ltd | Real estate | 2024 |
| Crossover Care Limited | Health & social care | 2014 |
| Crossover Property Investments Limited | Real estate | 2019 |
| Crossover Property Limited | Financial services | 2019 |
| Crossover Property Sourcing Ltd | Real estate | 2018 |
| Crossover Short Stays Ltd | Real estate | 2019 |
| Crosspatch Limited | Manufacturing | 1989 |
| Crossroads Garage (Papplewick) Limited | Wholesale & retail | 1981 |
| Crossworld Services Ltd | Administrative & support | 2018 |
| Crow Labs Limited | Wholesale & retail | 2026 |
| Crowd Build Capital Ltd | Information & communication | 2012 |
| Crowd Buy Ltd | Wholesale & retail | 2020 |