| Chazzmn Ltd | Exeter | 2020 |
| CHB Engineering Ltd | Keighley | 2019 |
| Chb-Jordan Limited | Wakefield | 1990 |
| Chbladetec Ltd | Leicester | 2026 |
| CHC Aeroform Ltd | Cambridge | 2025 |
| CHC Maintenance Services Ltd | Harrow | 2015 |
| CHC Navigation UK Ltd | Slough | 2017 |
| CHE Coach House Engineering Ltd | Burnham-On-Sea | 1976 |
| CHE Global Sports Management Ltd | Manchester | 2026 |
| CHE Pasta Ltd | Hoddesdon | 2019 |
| Che-Lai Clay LAB Ltd | London | 2023 |
| Cheadle (Group) Limited | Northwich | 2014 |
| Cheadle Glass Systems Limited | Llandow | 2005 |
| Cheadle Hulme Electrical Services Ltd | Cheadle | 1997 |
| Cheadle Hulme Fencing Limited | Cheadle | 2014 |
| Cheadle Mobile & Vapes Limited | Bolton | 2024 |
| Cheam Taxi Repairs Ltd | Banstead | 2015 |
| Cheaney Shoes Limited | Desborough | 2009 |
| Cheap AS Prints Ltd | Walsall | 2015 |
| Cheap Feeds Limited | Newark | 2018 |
| Cheap Printing Midlands Ltd | Bewdley | 2017 |
| Cheapest Blinds & Interiors Ltd | Ellesmere Port | 2014 |
| Cheapstickerprints Ltd | Birmingham | 2025 |
| Cheat Meal Nutrition Ltd | London | 2019 |
| Cheat Sweets Ltd | Poole | 2026 |
| Check Li-Ion Ltd | Bicester | 2021 |
| Check ME OUT Design Ltd | London | 2015 |
| Check My Boat Limited | Brackley | 2022 |
| Check OUT My Buns Ltd | Belfast | 2015 |
| Check Shirt Joinery Ltd | Castell-Nedd | 2023 |
| Checkcells Ltd | London | 2025 |
| Checker Scientific Limited | Lancashire | 2005 |
| Checketts Brew Co Ltd | Brighton | 2025 |
| Checkfire Ltd | Caerphilly | 2012 |
| Checkmate Devices Limited | Bridport | 1962 |
| Checkmate Digital Ltd | Chichester | 1990 |
| Checkmate Flexible Engineering Limited | Melksham | 2006 |
| Checkmate Lifting & Safety Ltd | Sheerness | 2011 |
| Checkmate UK Limited | Cranbrook | 1976 |
| Checkmywheels Limited | Brentwood | 2011 |
| Checkpoint (UK) Limited | Aberdeen | 1998 |
| CHECKPOINT-2K Limited | Huddersfield | 2000 |
| Checkprint Limited | London | 1997 |
| Checkstone Limited | Brough | 2014 |
| Checktest Ltd | Stockport | 2023 |
| Ched Ltd | Liverpool | 2026 |
| Cheddar Ales Limited | Cheddar | 2008 |
| Cheddar From Cheddar Limited | Warminster | 2015 |
| Cheddar GIN Company Ltd | Bridgwater | 2021 |
| Cheddar GIN Ltd | Somerset | 2021 |
| Cheddar Mineral Water Limited | Somerset | 2004 |
| Cheddar Natural Mineral Water Limited | Somerset | 2005 |
| Cheddar Natural Spring Water Limited | Somerset | 2005 |
| Cheddar Spring Water Limited | Somerset | 2004 |
| Cheddar Vodka Company Ltd | Bridgwater | 2021 |
| Cheddar Vodka Ltd | Bridgwater | 2021 |
| Cheddar Water Limited | Cheddar | 2004 |
| Chedington Compost Limited | Dorset | 2000 |
| Cheech Miller Limited | Whitstable | 2007 |
| Cheek Ltd. | Woodford Green | 2012 |
| Cheeky Charlie Oven Company Ltd | London | 2021 |
| Cheeky Charlie Promotions Limited | Diss | 2019 |
| Cheeky Cheesecakes Ltd | Bicester | 2010 |
| Cheeky Chicks Ltd | Bewdley | 2012 |
| Cheeky Chops Knit Ltd | London | 2025 |
| Cheeky Cookie Bakery Limited | London | 2024 |
| Cheeky Dolphin Productions Ltd | Nuneaton | 2025 |
| Cheeky Goose Ltd | Loughborough | 2026 |
| Cheeky Nibble Limited | West Raynham | 2023 |
| Cheeky Sausage Games Limited | London | 2019 |
| Cheeky Signs Limited | Abbots Langley | 2007 |
| Cheekyarn CIC | London | 2026 |
| Cheema Carpentry Ltd | Southall | 2018 |
| Cheerface Limited | Liverpool | 2025 |
| Cheerful Children Toys Ltd | Norwich | 2019 |
| Cheers BRO Ltd | Sheffield | 2014 |
| Cheery Prints Limited | Macclesfield | 2025 |
| Cheese & Crackers Ltd | Bradford | 2020 |
| Cheese & Pasta Co Ltd | Nottingham | 2024 |
| Cheese Case Factory Ltd | Manchester | 2024 |
| Cheese Factory Ltd | Stanmore | 2023 |
| Cheese Homemade Happiness Ltd | Thornton Heath | 2026 |
| Cheese on the WEY Ltd | Farnham | 2017 |
| Cheese Roles Limited | Whitland | 2009 |
| Cheese Solutions Ltd. | Whitchurch | 2016 |
| Cheesecake Delights Limited | Motherwell | 2021 |
| Cheesecakes by Tash Ltd | Waterlooville | 2025 |
| Cheeseclip Ltd | Romford | 2026 |
| Cheeseman Kitchens Limited | Liss | 2013 |
| Cheesman Manufacturing Limited | Sittingbourne | 2009 |
| Cheesman Products (Automotive) Limited | Stourbridge | 1973 |
| Cheesy Pets UK Ltd | Wishaw | 2025 |
| Cheetah Marine International Ltd | Ventnor | 2019 |
| Cheezee Limited | London | 2020 |
| Cheezy Cheesecake Ltd | Walsall | 2025 |
| Chef & Porter Ltd | London | 2025 |
| Chef Akila Ltd | Keighley | 2018 |
| Chef at Hand Ltd | Westerham | 2021 |
| Chef Cool Refrigeration Service Ltd | London | 2023 |
| Chef DU Chien Limited | London | 2023 |