| Cold Carbon Ltd | Wholesale & retail | 2024 |
| Cold Roll (Rings) Ltd | Manufacturing | 2009 |
| Cold Star Media Limited | Arts & recreation | 2013 |
| Cold World Ltd | Manufacturing | 2023 |
| Cole & Daughters Holdings Limited | Financial services | 2023 |
| Cole & Daughters Property Management Ltd | Real estate | 2022 |
| Cole Associates Corporate Finance LLP | | 2006 |
| Cole Associates Limited | Professional & scientific | 2025 |
| Cole Beauty Limited | Wholesale & retail | 2007 |
| Cole D Parnell Signalling Limited | Professional & scientific | 2024 |
| Cole Delivery Ltd | Transport & logistics | 2025 |
| Cole Imagery Ltd | Information & communication | 2025 |
| Cole Property Solutions Limited | Real estate | 2025 |
| Cole Roofing Services Ltd | Construction | 2006 |
| Cole Street Properties Limited | Hospitality | 2024 |
| Cole Waterhouse (Stadium) Limited | Construction | 2021 |
| Cole Waterhouse (TW) Holdco Ltd | Real estate | 2018 |
| Cole Waterhouse (TW) Ltd | Real estate | 2014 |
| Cole Waterhouse (Wembley) Limited | Professional & scientific | 2018 |
| Cole Waterhouse AM Limited | Real estate | 2023 |
| Cole Waterhouse DM Limited | Real estate | 2023 |
| Cole Waterhouse IM Limited | Real estate | 2023 |
| Cole Waterhouse Limited | Professional & scientific | 2016 |
| Coleman Power Solutions Ltd | Professional & scientific | 2026 |
| Coleman Property Lettings Limited | Real estate | 2004 |
| Coleman Real Estate Limited | Real estate | 2016 |
| Coler Stone UK Ltd | Wholesale & retail | 2023 |
| Coleshill Assets (NO 2) Limited | Real estate | 2016 |
| Coleshill Assets Limited | Real estate | 2016 |
| Coleshill Bromwich Assets (NO 2) Limited | Extraterritorial | 2016 |
| Coleshill Bromwich Assets Limited | Extraterritorial | 2016 |
| Colin Bell Ltd | Other services | 2025 |
| Colin Briscoe Construction Limited | Construction | 1994 |
| Colin Farmer Consulting Limited | Professional & scientific | 2013 |
| Colin Gray Consultancy Limited | Professional & scientific | 2018 |
| Colin Khalid Electricals Limited | Wholesale & retail | 1978 |
| Colin Masters (Decorators) Limited | Construction | 1999 |
| Colin P Syme Ltd | Construction | 2014 |
| Colin Preston Consulting Limited | Administrative & support | 2015 |
| Colins Energy Design Services Limited | Professional & scientific | 1994 |
| Coll Rail Limited | Construction | 2018 |
| Collab Creative Limited | Administrative & support | 2025 |
| Collab Energy Ltd | Other services | 2023 |
| COLLABO2SUCCEED C.I.C. | Administrative & support | 2022 |
| COLLABOR8ONLINE Ltd | Information & communication | 2005 |
| Collaborapay Limited | Financial services | 2024 |
| Collaborate Coaching & Events Ltd | Arts & recreation | 2025 |
| Collaborate OUT Loud C.I.C. | Professional & scientific | 2017 |
| Collaborative Care Solutions Limited | Administrative & support | 2012 |
| Collaborative Counsel Ltd | Administrative & support | 2025 |
| Collaborative Women UK CIC | Hospitality | 2014 |
| Collard Tech Exchange Ltd | Wholesale & retail | 2024 |
| Collate and Salvage Limited | Arts & recreation | 2018 |
| Collctiv Ltd | Information & communication | 2019 |
| Collctiv Stores Ltd | Wholesale & retail | 2022 |
| Colldevar Limited | Professional & scientific | 2014 |
| Collecso Ltd | Wholesale & retail | 2022 |
| Collect Correct Ltd | Administrative & support | 2025 |
| Collective Aerospace Ltd | Transport & logistics | 2025 |
| Collective Cleaning Solutions Ltd | Administrative & support | 2025 |
| Collective Consulting Limited | Real estate | 2011 |
| Collective Enterprises Limited | Administrative & support | 1987 |
| Collective Minds Integrative Services Ltd | Professional & scientific | 2026 |
| Collective Padel Co Limited | Wholesale & retail | 2025 |
| Collective Sports Management Limited | Administrative & support | 2011 |
| Collective Twenty Seven Ltd | Wholesale & retail | 2022 |
| Collector Comps Limited | Wholesale & retail | 2022 |
| Collectors Haven Ltd | Wholesale & retail | 2025 |
| Collectours Ltd | Wholesale & retail | 2026 |
| Colleen Langan Music Ltd | Arts & recreation | 2025 |
| College Court (Hulme) Limited | Households | 1998 |
| College Court (Whalley Range) Freehold Limited | Households | 2014 |
| College Gate (Crewe) Management Company Limited | Households | 2005 |
| College Lawns Estate Management Company Limited | Households | 2003 |
| College of International Business Management Ltd | Education | 2026 |
| Collext Limited | Transport & logistics | 2016 |
| Colliderworks Ltd | Information & communication | 2025 |
| Collier Custom Homes Ltd | Real estate | 2020 |
| Collier Industrial Waste Limited | Water & waste | 1980 |
| Collier Property Developments Ltd | Construction | 2012 |
| Collier Street Investments Limited | Construction | 2017 |
| Collin Taps Ltd | Construction | 2025 |
| Collingham Autos Limited | Manufacturing | 2014 |
| Collins Business & Management Consultancy Ltd | Professional & scientific | 2015 |
| Collins Consultancy Group Ltd | Administrative & support | 2025 |
| Collins Floors Ltd | Construction | 2025 |
| Collins GAS & Heating Ltd | Construction | 2021 |
| Collins Homes Estates Ltd | Real estate | 2024 |
| Collinson Studios Ltd | Wholesale & retail | 2019 |
| Colloni Limited | Extraterritorial | 2020 |
| Colloquia Limited | Information & communication | 2024 |
| Colly Jones Co Ltd | Real estate | 2025 |
| Collyer Limited | Administrative & support | 1999 |
| Collyhurst Assets (NO 2) Ltd | Extraterritorial | 2010 |
| Collyhurst Assets Limited | Extraterritorial | 2010 |
| Collyhurst Community Enterprises Ltd | Administrative & support | 2019 |
| Collyhurst Estate Management Company Limited | Households | 2025 |
| Collyhurst Estate Management Limited | Households | 2025 |
| Collyhurst Neighbourhood Management Company Limited | Households | 2025 |
| Collyhurst Top Notch Ltd | Wholesale & retail | 2022 |