| Chamberlin & Hill Castings Limited | Birmingham | 1933 |
| Chambers & Fargus Limited | Hull | 1989 |
| Chambers and Beau Limited | Cambridge | 2014 |
| Chambers Beverages Ltd | St. Albans | 2020 |
| Chambers Concrete PLC | Farnham | 2009 |
| Chambers Facade Services Ltd | Leigh On Sea | 2017 |
| Chambers Inc. Ltd | Ashton-Under-Lyne | 2004 |
| Chambers Interiors Limited | Sevenoaks | 2012 |
| Chambers Leather Goods Ltd | London | 2023 |
| Chambers of Fragrance Limited | Addlestone | 2022 |
| Chambers of Hamble Limited | Southampton | 2018 |
| Chambers Pencils Limited | Penryn | 2013 |
| Chambers Plant Services Ltd | Cannock | 2024 |
| Chambers Print on Demand Limited | Liverpool | 2022 |
| Chambers Productions Incorporated Ltd | Washington | 2021 |
| Chambers Solutions Ltd | Corby | 2025 |
| Chambersbespoketailors Limited | London | 2010 |
| Chambertech Consulting Ltd | Richmond | 2024 |
| Chambertech Limited | Richmond | 2022 |
| Chamcotec Ltd | Flint | 2009 |
| Chameleon AV Limited | Cheltenham | 2009 |
| Chameleon Create Limited | Cardiff | 2017 |
| Chameleon Creative Limited | Bedford | 2021 |
| Chameleon Digital Printing Limited | Edinburgh | 1996 |
| Chameleon Labels Limited | Macclesfield | 2023 |
| Chameleon Powder Coating Ltd | Linwood | 2025 |
| Chameleon Tech Jewellery Limited | Sutton Coldfield | 2022 |
| Chameleon Technology (UK) Limited | Harrogate | 2010 |
| Chameleon Textiles Limited | Manchester | 1991 |
| Chameleon Upholstery Ltd. | Cullompton | 2020 |
| Chameleon Wheelz & Powder Coating Ltd | Holmfirth | 2022 |
| Chameleon-Co (UK) Limited | Croydon | 2021 |
| Chameltia Supplies Limited | Bristol | 2017 |
| Chamfer Ltd | Westbury | 2016 |
| Chamjoeun LAB Ltd | Epsom | 2016 |
| Chamling Co. Limited | Camberley | 2019 |
| Chamney Design Limited | Blaby | 2004 |
| Chamo London Ltd | Hertford | 2025 |
| Chamox Technology Ltd | Preston | 2020 |
| Champ Building Ltd | West Malling | 2018 |
| Champ IMI Limited | Ilford | 2019 |
| Champagne Curtains Ltd | Crewe | 2024 |
| Champers Marketing Limited | London | 1988 |
| Champi Ltd | London | 2023 |
| Champion & Reeves Ltd | Shrewsbury | 2015 |
| Champion 3D Ltd | Greenwich | 2023 |
| Champion Chase Limited | Haverfordwest | 2017 |
| Champion Custom Ltd | Maidstone | 2023 |
| Champion Design & Production Co. Ltd | Guildford | 2025 |
| Champion Designs by Nadine Ltd | Belfast | 2024 |
| Champion Forklifts Limited | Bournemouth | 2004 |
| Champion Global Prints Ltd | Bury St. Edmunds | 2025 |
| Champion Interiors Ltd | Manchester | 2026 |
| Champion Manufacturing Group Limited | Rumney | 1983 |
| Champion Manufacturing Limited | Bury St. Edmunds | 1999 |
| Champion Marquee Structures and Events Ltd | Retford | 2025 |
| Champion Mouldings Limited | Radcliffe Manchester | 2004 |
| Champion Products Limited | Hockley Heath | 2006 |
| Champion Refratech Private Limited | Cambridge | 2025 |
| Champion Sausage Company Limited | Stroud | 2001 |
| Champion Ship Footwear Manuf. Co., Limited | Farringdon | 2016 |
| Champion Supplies Ltd | Kettering | 2020 |
| Champion Textile Co., Ltd. | Stafford | 2013 |
| Champions Gloves Limited | London | 2022 |
| Championstorm Limited | London | 2023 |
| Championx Egypt Ltd. | Southampton | 1994 |
| Champs Locksmiths Limited | Swansea | 2025 |
| Chamsys Ltd | Nottingham | 2003 |
| Chamugu Limited | Cardiff | 2021 |
| Chamunda Design Studio Ltd | London | 2025 |
| Chana Garments (Birmingham) Limited | Birmingham | 1997 |
| Chana Glass Ltd | West Yorkshire | 2003 |
| Chanbozie Ltd | Evesham | 1969 |
| Chance Glass Limited | Cheltenham | 1992 |
| Chance Mystere Ltd | London | 2015 |
| Chancery Footwear Limited | Northampton | 1984 |
| Chanctonbury Game Limited | Littlehampton | 2014 |
| Chandelier Cleaning & Restoration Services Limited | Brentwood | 1980 |
| Chanderra Ltd | Gloucester | 2023 |
| Chandler Creative Carpentry Ltd | Dorking | 2020 |
| Chandley Ovens Limited | Hyde | 2022 |
| Chandni Chowk Limited | Crediton | 1997 |
| Chandni&Co Limited | Thornton Heath | 2025 |
| Chandra Foods London Ltd | Ilford | 2025 |
| Chandra Foods Ltd | Park Royal | 2012 |
| Chandracore Power Limited | Neath | 2025 |
| Chandrika Thomas Limited | London | 2010 |
| Chanel Joan Elkayam Ltd | London | 2020 |
| Chanel North Asia Limited | London | 2024 |
| Chanelle Mccoy CBD UK Ltd | Berkshire | 2019 |
| Chanergy Technology UK Co., Ltd | London | 2024 |
| Chaney Air CON Ltd | Lancashire | 2003 |
| Chaney Lifts Limited | Gerrards Cross | 2002 |
| Chang Creations Ltd | Maidstone | 2024 |
| Chang XIN Shipping Limited | Beckenham | 2023 |
| Changamiri Coffee Company Ltd | Coventry | 2020 |
| Change Brew Co Limited | Wallasey | 2025 |
| Change Coffee Ltd | Cambridge | 2023 |
| Change Creative Ltd | Nelson | 2019 |
| Change of Style Granite and Stone Limited | Southampton | 2008 |