| Chicken George Production Limited | Hitchin | 2023 |
| Chicken Grill Business Limited | London | 2010 |
| Chicken Joes Limited | Walsall | 1995 |
| Chicken Mart Limited | Romford | 2014 |
| Chicken Run Productions Limited | Chigwell | 2025 |
| Chicken Shed Creations Ltd | Sudbury | 2015 |
| Chicken Shed Joinery Ltd | Grantham | 2024 |
| Chickenguard Limited | Cambridge | 2013 |
| Chickenshed Studio Limited | Uckfield | 2025 |
| Chicking Group Ltd | London | 2024 |
| Chickizza Limited | Beckenham | 2022 |
| Chickli Ltd | Hitchin | 2025 |
| Chickook Ltd | Gosport | 2022 |
| Chickston Litho Limited | Swaffham | 2009 |
| Chicore Ltd | London | 2025 |
| Chicsnacks Limited | Milton Keynes | 2018 |
| Chicybee Limited | Cheddar | 2017 |
| Chidam Akason Limited | Peterborough | 2019 |
| Chiddingly Cheese Company Limited | Brighton | 2020 |
| Chiddingstone Dairy Ltd | Edenbridge | 2022 |
| Chido Dairies Ltd | Leicester | 2022 |
| Chidosh Bridal Ltd | London | 2025 |
| Chief Fabrications Limited | Arbroath | 2016 |
| Chief Marine Ltd | Norwich | 2024 |
| Chief of Vapes Limited | Norwich | 2018 |
| Chiefer Jewellery Ltd | London | 2023 |
| Chieftain Fabrications Ltd | Newcastle Upon Tyne | 2017 |
| Chieftain Ltd | Bury St. Edmunds | 2019 |
| Chieftain Trailers | Co Tyrone | 1999 |
| Chien Kids Creative Emporium Limited | London | 2016 |
| Chien Perdu Ltd | Haslemere | 2023 |
| Chiffon House Limited | Birmingham | 2023 |
| Chihai Golden Kernel Ltd | Hayes | 2025 |
| Chiiso Botanics Ltd | London | 2018 |
| Chijulian Pharmaceutical International Limited | London | 2023 |
| Chikki Things Ltd | Broughton-In-Furness | 2017 |
| Chikz Patisserie Limited | Morden | 2019 |
| Chil UK Ltd | Deeside | 2015 |
| Chilbolton Chair Company Ltd | Stockbridge | 2014 |
| Chilcott & Sons Limited | Bristol | 2014 |
| Child Angel Limited | Stoke-On-Trent | 2014 |
| Child Trophies Limited | Poole | 1983 |
| Childeric UK Limited | London | 2026 |
| Childish Energy Limited | Wolverhampton | 2023 |
| Childs Brand Partners Limited | Skipton | 2021 |
| Childs Helicopter Support Limited | Bedford | 2006 |
| Childs Smile Ltd | Wilmslow | 2023 |
| Chile Industrial Chemical Limited | Beckenham | 2025 |
| Chilela Coffee Ltd | Bridgwater | 2021 |
| Chilfen Export Packaging Limited | Letchworth Garden City | 2010 |
| Chilfen Joinery Limited | Letchworth Garden City | 1985 |
| Chili Maven Ltd | London | 2021 |
| Chilichill Limited | Manchester | 2024 |
| Chill & KO Ltd | Hayes | 2023 |
| Chill Buddy Food Care Ltd. | St. Helens | 2011 |
| Chill Cold Brew Ltd | Manchester | 2021 |
| Chill Factor Commissioning Ltd | Uttoxeter | 2006 |
| Chill Factor Refrigeration Limited | Nottingham | 2003 |
| Chill House Ltd | Middlesbrough | 2019 |
| Chill Kings Ltd | Prenton | 2025 |
| Chill OUT Refrigeration Limited | Cardiff | 2011 |
| Chill Point System Ltd | Birmingham | 2024 |
| Chill Print Ltd | Oswestry | 2015 |
| Chill Repair | Strabane | 2023 |
| Chill Spritz Ltd | London | 2025 |
| Chill Tank Services Ltd | Barry | 2025 |
| Chill Winston’S Limited | Borehamwood | 2025 |
| Chill Your Beans Coffee Company Limited | Llangollen | 2026 |
| Chill&Fit Ltd | Ayr | 2023 |
| Chill'D Drinks Limited | Burton-On-Trent | 2023 |
| Chilla Limited | Swansea | 2008 |
| Chillair (UK) Training Academy Ltd | Solihull | 2025 |
| Chillaire Isis Limited | Witney | 1981 |
| Chillaire Limited | Nuneaton | 1992 |
| Chillaire Service and Maintenance Limited | Estate Nuneaton | 2002 |
| Chillax Engineering Ltd | Bedford | 2010 |
| Chillcoat Foods Limited | Bolton | 2017 |
| Chilleco (UK) Ltd | Burnley | 2013 |
| Chilled AID Ltd | London | 2023 |
| Chilled Air Solutions Limited | Colchester | 2011 |
| Chilled Solutions Holdings Limited | New Barnet | 2006 |
| Chilled System Solutions Ltd | Coventry | 2020 |
| Chilled Transport Solutions Ltd | Westbury | 2025 |
| Chilled Vibes Drinks Ltd | Luton | 2026 |
| Chilled Vibes Ltd | Broxburn | 2021 |
| Chiller Blinds (Thetford) Limited | Thetford | 2016 |
| Chiller Experts Limited | Caterham | 2010 |
| Chillerbill Ltd | Stourbridge | 2014 |
| Chillertech Limited | Ibstock | 2010 |
| Chillerton (UK) Ltd | London | 2002 |
| Chillfix Ltd | Sleaford | 2010 |
| Chilli Baba Ltd | London | 2025 |
| Chilli Bird Ltd | Dunfermline | 2025 |
| Chilli Brothers Gourmet Condiment Company Ltd. | Peterborough | 2015 |
| Chilli Cactus Limited | York | 2006 |
| Chilli Charva Ltd | Rotherham | 2024 |
| Chilli Chilli Chilli Limited | London | 2023 |
| Chilli Chilli JAM JAM Ltd | Milton Keynes | 2025 |
| Chilli Chop Co Limited | Grays | 2018 |
| Chilli Fits Limited | Beckenham | 2025 |