| Coles Amusement Enterprises Limited | Great Yarmouth | 1953 |
| Coleshill Cricket Club Ltd | Coleshill | 2023 |
| Coleshill Cricket Club Supporters Group Limited | Coleshill | 2024 |
| Coleshill on Stage Ltd | Birmingham | 2021 |
| Coleshill Town Football Club Limited | Tamworth | 2006 |
| Coley Creates Ltd | London | 2025 |
| Coley Sports Limited | Kings Norton | 2010 |
| Colfe's Leisure Services Limited | London | 1991 |
| Colfeian Grounds Limited | London | 2013 |
| Colgan Performance Limited | Bolton | 2024 |
| Colibri Studio Ltd | Leicester | 2026 |
| Colin & Michael Boyle Golf Limited | Dukinfield | 2015 |
| Colin Bagley Limited | Wolverhampton | 2007 |
| Colin Banks Art Ltd | Olney | 2019 |
| Colin Bradley Art Limited | Ramsgate | 2016 |
| Colin Bull Swimming Limited | Ilford | 2011 |
| Colin Curbishley Ltd | Penzance | 2024 |
| Colin Currie Group Ltd | Nottingham | 2023 |
| Colin Davidson Limited | Hillsborough | 2007 |
| Colin Dickson Personal Training Ltd | Airdrie | 2024 |
| Colin Fairweather Golf Ltd | Longniddry | 2014 |
| Colin Fleming Tennis Limited | Linlithgow | 2017 |
| Colin Glen Landscapes Limited | Co Antrim | 2003 |
| Colin Glen Leisure Limited | | 1994 |
| Colin Ingram Limited | London | 2005 |
| Colin Morris Associates Limited | London | 1987 |
| Colin Orchard & Company Limited | | 2004 |
| Colin Pink Sound Design Limited | Abingdon | 2018 |
| Colin Reid Glass Limited | Cheltenham | 2010 |
| Colin Stevens Turf Accountants Limited | South Glamorgan | 1979 |
| Colin T Farr Limited | Belfast | 2020 |
| Colin Teevan Limited | Ashford | 2010 |
| Colina Management Limited | Dartford | 2017 |
| Colinna Publishing Ltd | London | 2026 |
| Colinsburgh Charleton Limited | Leven | 2021 |
| Colinsburgh Community Trust Ltd. | Colinsburgh | 2017 |
| Colinsburgh Golf Limited | Leven | 1991 |
| Coliseum Bouldering Ltd | Morpeth | 2024 |
| Coll Fine Arts Ltd | London | 2012 |
| Colla Voce Ltd | Abertillery | 2010 |
| Collab Productions Limited | Hove | 2023 |
| Collab*Arts Collective Ltd | London | 2026 |
| Collabo Music Ltd | London | 2023 |
| Collaborate Agency Ltd | London | 2008 |
| Collaborate Coaching & Events Ltd | Manchester | 2025 |
| Collaboration Dance Arts Ltd | Clitheroe | 2025 |
| Collaboration Music and Arts Ltd | Lamberhurst | 2022 |
| Collaboration Musical Theatre | Ashbourne | 2023 |
| Collaborative Arts C.I.C. | Stanmore | 2023 |
| Collage BOY Art Ltd | London | 2010 |
| Collagist Limited | London | 2017 |
| Collantine Media Ltd | Polegate | 2018 |
| Collapse the Sky Ltd | Norwich | 2023 |
| Collar & TIE Limited | Worcester | 1993 |
| Collard Racing Limited | Hook | 2001 |
| Collate and Salvage Limited | Manchester | 2018 |
| Collateralevents Ltd | Newcastle Upon Tyne | 2025 |
| Collatin Real Ltd. | Glasgow | 2016 |
| Collect-Ifs Performance | Norwich | 2014 |
| Collectable Competitions Limited | London | 2025 |
| Collectemall Limited | Northampton | 2024 |
| Collectif and Then... | Preston | 2012 |
| Collection Dance Limited | Brighton | 2022 |
| Collective 3 Consultancy Limited | Carnforth | 2016 |
| Collective Acting Studio Ltd | London | 2022 |
| Collective Arts Limited | Perranporth | 2004 |
| Collective Caffeination Ltd | Bristol | 2018 |
| Collective Concierge Limited | London | 2024 |
| Collective Cycling Group Ltd | London | 2024 |
| Collective Effervescence Ltd | London | 2025 |
| Collective Embodiment Ltd | London | 2025 |
| Collective Encounters | Liverpool | 2004 |
| Collective Ending Limited | London | 2020 |
| Collective Entertainment (UK) Ltd | Blackpool | 2026 |
| Collective Equestrian Limited | Bristol | 2016 |
| Collective Events Ltd | York | 2020 |
| Collective Fitness Limited | Norwich | 2019 |
| Collective Form Limited | London | 2019 |
| Collective Movement Ltd | London | 2026 |
| Collective Pilates West Hampstead Limited | London | 2026 |
| Collective Rage Limited | London | 2017 |
| Collective Talent Limited | Bristol | 2013 |
| Colleen Langan Music Ltd | Manchester | 2025 |
| College Coach Alliance Limited | Wirral | 2025 |
| College Grove Nursery Limited | Wakefield | 2006 |
| College Sports America Limited | Basingstoke | 2017 |
| College Street Technical Services CIC | Nottingham | 2021 |
| Collett Developments Ltd | Kington | 2017 |
| Collett Studios Ltd | Uxbridge | 2021 |
| Colleyflowers Ltd | Hatfield | 2024 |
| Collide Theatre Limited | London | 2019 |
| Collidescope CIC | Witham | 2024 |
| Collier Turf Care Limited | Beeston, King'S Lynn | 1998 |
| Colliers Equestrian Ltd | Haslemere | 2014 |
| Collingham FC 2020 Ltd | Lincoln | 2020 |
| Collington Racing Limited | Newmarket | 2015 |
| Collingwood Marquees Ltd | Newcastle Upon Tyne | 2014 |
| Collingwood Projects 2 Limited | Leeds | 2026 |
| Collins Autosport Limited | Plymouth | 1997 |
| Collins Chapterhouse Limited | 3 Dorset Rise | 2017 |