| Cobut Ltd | Swindon | 2022 |
| Cobzaru Builders Ltd | London | 2025 |
| Coca-Cola Europacific Partners Great Britain Limited | Uxbridge | 1888 |
| Coca-Cola Europacific Partners PLC | Uxbridge | 2015 |
| Coca-Cola HBC Northern Ireland Limited | Co Antrim | 1945 |
| Coca-Cola Holdings Africa Limited | London | 2014 |
| Coca-Cola International Sales Limited | London | 1984 |
| Cocada Fresco (UK) Limited | Sidcup | 2009 |
| Cocaine Limited | Lincoln | 2003 |
| Cocco-Mio Health & Beauty Ltd | London | 2020 |
| Cochew Records Ltd | Hounslow/Greater London | 2024 |
| Cochilli Pro Ltd | Hayes | 2026 |
| Cochise Carpentry Ltd | Liskeard | 2026 |
| Cochran Ltd | Annan | 2010 |
| Cochran Services Ltd | Annan | 2010 |
| Cochrane Industries UK Limited | Worcester | 1988 |
| Cochrane Mechanical Services Ltd | Glasgow | 2015 |
| Cochrane's Contracting Ltd | Scunthorpe | 2025 |
| Cochranes of Oxford Limited | Chipping Norton | 1962 |
| Cocina Catering Equipment Limited | London | 2024 |
| Cock of the Walk Limited | Hull | 2026 |
| Cock of the Walk Regalia Ltd | Hull | 2026 |
| Cock Spider Ltd | London | 2025 |
| Cocker Bar Farm Limited | Bolton | 2025 |
| Cockeram Interiors Limited | Southampton | 2023 |
| Cocklestorm Fencing Limited | Manchester | 1978 |
| Cocktail KEG Company Ltd | Belfast | 2019 |
| Cocktails on Point Ltd | London | 2025 |
| Cockwells Modern and Classic Boat Building Limited | Falmouth | 2006 |
| Cockwood Fabrication Limited | Taunton | 2005 |
| Cockx Sudbury Limited | Sudbury | 1987 |
| Coclens Limited | Thirsk | 2021 |
| Coco & Kiki LDN Community Interest Company | London | 2024 |
| Coco & TED Limited | Poole | 2020 |
| Coco & Tiger Limited | Andover | 2004 |
| Coco & Wolf Ltd | Westbury-Sub-Mendip | 2013 |
| Coco and BLU Limited | Leigh-On-Sea | 2020 |
| Coco and MOO Ltd | Tamworth | 2021 |
| Coco Arny Ltd | London | 2023 |
| Coco Aviation Services Ltd | Dereham | 2026 |
| Coco Bella Melts Ltd | Stalybridge | 2021 |
| Coco Belle Limited | Worthing | 2026 |
| Coco Childrenswear Ltd | Paisley | 2017 |
| Coco Collective Community Hub Ltd | London | 2019 |
| Coco Collective Group Ltd. | Harrow | 2025 |
| Coco Craic Ltd | Newry | 2022 |
| Coco Crush Ltd | London | 2022 |
| Coco Designs Limited | Leicester | 2011 |
| Coco Dog Fashion Limited | Fareham | 2019 |
| Coco Fashion Consultancy Ltd | Middlesex | 2021 |
| Coco Gelato Holdings Ltd | Pontyclun | 2014 |
| Coco Generation UK Limited | London | 2025 |
| Coco Labelle Ltd | Stanmore | 2014 |
| Coco Lighting Group Limited | Chelmsford | 2019 |
| Coco Lighting Limited | Brentwood | 2002 |
| Coco Nyli Ltd | Skegness | 2023 |
| Coco Pacific Ltd | Harrow | 2013 |
| Coco Panda London Ltd | London | 2023 |
| Coco Playa Limited | London | 2023 |
| Coco Treats Ltd | Glasgow | 2025 |
| Coco Worldwide Ltd | London | 2018 |
| Coco Wren Limited | Luton | 2016 |
| Cocoa & Crumbs Bakery Ltd | Nottingham | 2026 |
| Cocoa Amore Drinks Ltd | Leicester | 2023 |
| Cocoa Amour Ltd | Swindon | 2025 |
| Cocoa and Coffee International Ltd | Polegate | 2025 |
| Cocoa Bakery Limited | Hull | 2017 |
| Cocoa Black Limited | Peebles | 2006 |
| Cocoa Bliss Creations Ltd | Hassocks | 2025 |
| Cocoa Bliss Desserts Ltd | Clacton On Sea | 2024 |
| Cocoa Bothy Ltd | Inverness | 2026 |
| Cocoa Cabana Ancoats Limited | Leeds | 2018 |
| Cocoa Cabana Line Ltd | Manchester | 2020 |
| Cocoa Canopy Limited | Halstead | 2010 |
| Cocoa Club Limited | Glasgow | 2018 |
| Cocoa Coffee Ltd | Preston | 2025 |
| Cocoa Collective Chocolatiers Ltd | Cromer | 2018 |
| Cocoa Concessions Ltd | Manchester | 2024 |
| Cocoa Creations Ltd | Stafford | 2019 |
| Cocoa Culture Ltd | Mildenhall | 2025 |
| Cocoa Joe's (York) Limited | Whitley Bay | 2020 |
| Cocoa Libre (2014) Limited | Bristol | 2014 |
| Cocoa Libre Limited | Bristol | 2020 |
| Cocoa Loco Ltd | Blackpool | 2007 |
| Cocoa Mountain International Ltd | Perth | 2018 |
| Cocoa Mountain Ltd. | Perth | 2005 |
| Cocoa Nutas Ltd | London | 2013 |
| Cocoa Plus Ltd | Cardiff | 2015 |
| Cocoa POD Limited | Manchester | 2014 |
| Cocoa Publishing Limited | London | 2020 |
| Cocoa Sisters Ltd | Horsham | 2025 |
| Cocoa Social Enterprises CIC | Barking | 2026 |
| Cocoa Therapy Ltd | Barry | 2017 |
| Cocoa Venuk Ltd | Dartford | 2018 |
| Cocoakinks Official Ltd | Reading | 2020 |
| Cocoapod (Oxford) Limited | Banbury | 2021 |
| Cocoapod Chocolate Limited | Chorley | 2026 |
| Cocoba Holdings Limited | Newton Abbot | 2025 |
| Cocoba Limited | Newton Abbot | 2010 |
| Cocobolo Carpentry & Construction Ltd | Bournemouth | 2024 |