| Choctilly Ltd | Bridgnorth | 2021 |
| Chodon Limited | London | 2021 |
| Choffee Limited | Newquay | 2024 |
| Chofone International Limited | Stafford | 2025 |
| Chogori Industech Ltd | Beckenham | 2022 |
| Chohan & Co Limited | Edinburgh | 2011 |
| Choice 24/7 Limited | Caerphilly | 2013 |
| Choice Bespoke Limited | Birmingham | 2021 |
| Choice Catering (Withington) Ltd | Sale | 2011 |
| Choice Coffee Technical Services Ltd | Rotherham | 2025 |
| Choice Concrete Ltd | London | 2020 |
| Choice Fire Limited | Motherwell | 2007 |
| Choice Kitchen Ltd | Yeovil | 2025 |
| Choice Kitchens Belfast Ltd | Belfast | 2023 |
| Choice Lift Services Ltd | Bromley | 2026 |
| Choice of LED Lighting Ltd | Sheffield | 2020 |
| Choice Pizza Limited | Newtownards | 2011 |
| Choice Plastics Ltd | Chandler'S Ford | 2025 |
| Choice Sliding Wardrobes Limited | Coleraine | 2019 |
| Chok Building Solutions Limited | Birmingham | 2021 |
| Chok-A-Blok Limited | Bournemouth | 2010 |
| Choks Legacy Ltd | Sheringham | 2025 |
| Cholesterica Ltd | Poole | 2020 |
| Chommies UK Ltd | London | 2023 |
| Chompee Ltd | Wrexham | 2025 |
| Chongololo Ltd | Llanelli | 2024 |
| Chongwei Electric Co., Ltd | London | 2025 |
| Chonk Gear Ltd | Chester | 2025 |
| Choose Alkaline Ltd | Leeds | 2025 |
| Choose Plants Limited | Newton Abbot | 2021 |
| Choose Your Coffee Limited | Poole | 2025 |
| Choose Your Print Ltd | Derby | 2023 |
| CHOOSE2ECO Ltd | Stowmarket | 2022 |
| Choosegum Limited | Stratford-Upon-Avon | 2023 |
| Choosey Limited | London | 2015 |
| Choosylearner Ltd | Kenilworth | 2008 |
| Choozlc Ltd | Brackley | 2025 |
| Chop LIF£ Limited | Hounslow | 2022 |
| Chop-Doc Ltd | London | 2024 |
| Chopcook Ltd | London | 2025 |
| Chopeechopee Limited | Wolverhampton | 2025 |
| Chopra Brothers International Group Limited | Hayes | 2024 |
| Chops&Flex Ltd | Aberdeen | 2025 |
| Chopshopcnc Ltd | Sheffield | 2014 |
| Chopsky Games Limited | Manchester | 2022 |
| Chopters Ltd | London | 2022 |
| Chopz Ltd | London | 2022 |
| Chora Systems Ltd | Manchester | 2026 |
| Chord Electronics Limited | East Farleigh | 1989 |
| Chordal Green Ltd | Harlow | 2006 |
| Chordata Limited | Norwich | 2019 |
| Chores Hygiene Management Ltd | Lincoln | 2008 |
| Chorizos Santarrosanos A&B Ltd | London | 2025 |
| Chorley Coffee Ltd | Chorley | 2025 |
| Chorley Print Ltd | Buckshaw Village | 2014 |
| Chorley Signs Limited | Bolton | 2010 |
| Chorlton Heating Ltd | Manchester | 2022 |
| Chorq Ltd | Anna Valley | 2024 |
| Chortex Holdings Limited | Bolton | 2006 |
| Chortex Limited | Bolton | 2000 |
| Chorus Audio Limited | London | 2024 |
| Chos Multimedia Ltd | Enfield | 2020 |
| Chosaan Café Limited | London | 2022 |
| Chosen Creations Limited | Peterborough | 2024 |
| Chostner Ltd | London | 2014 |
| Choto PVT Ltd | Slough | 2015 |
| Chou Chou Bakery Ltd | London | 2026 |
| Chouard Ventures Limited | Bury St. Edmunds | 2025 |
| Choux Bakery Limited | London | 2016 |
| Choux Box Limited | Bath | 2019 |
| Choux Patisserie Ltd | Uckfield | 2025 |
| Chouxru London Ltd | Ilford | 2020 |
| Chown China Limited | Helston | 2013 |
| Chowpaati Ltd | Wembley | 2024 |
| Chowza Limited | Essex | 2024 |
| Choyce Components Limited | Melton Mowbray | 2015 |
| Chozen Gems Limited | Purfleet | 2014 |
| CHP Power Systems UK Ltd | Salford | 2023 |
| CHP Services (N.I.) Ltd | Omagh | 2019 |
| CHP Solutions Ireland Ltd | Crumlin | 2022 |
| CHP Solutions Limited | Wilmslow | 2013 |
| Chpi Ltd | Frodsham | 2021 |
| Chptr;One Ltd | Dunmow | 2026 |
| CHR Components Limited | Norwich | 2005 |
| CHR. Hansen (UK) Limited | Hungerford | 1916 |
| Chremma Limited | Guildford | 2004 |
| Chris (UK) Group Limited | London | 2024 |
| Chris Adamson Property Maintenance Ltd | Kirkcaldy | 2022 |
| Chris Alsop Guitar Ltd | Swadlincote | 2020 |
| Chris and Jane Limited | Petersfield | 2010 |
| Chris Aprilsky Ltd | London | 2019 |
| Chris Ashcroft Auto Electrical Ltd | Bolton | 2022 |
| Chris Atkin & SON Ltd | Swanton Morely | 2022 |
| Chris Atkinson (Nafferton) Limited | Driffield | 1972 |
| Chris Ayres Limited | Ellesmere | 2004 |
| Chris Banks Limited | Newark | 2003 |
| Chris Beard Agricultural & Plant Services Limited | Llansantffraid | 2012 |
| Chris Beaumont Railway Limited | Chesterfield | 2016 |
| Chris Bridges Agricultural Ltd | Spilsby | 2016 |
| Chris Brown Aviation Ltd | Belfast | 2019 |