| Coacta Ltd | Banbury | 2025 |
| Coade Ltd | Dorset | 1999 |
| Coady Media Ltd | London | 2025 |
| Coal Fire Productions Limited | Sunderland | 2015 |
| Coalesce Dance CIC | Altrincham | 2026 |
| Coalesce Dance Theatre Ltd | Altrincham | 2018 |
| Coalesce Entertainment Group Limited | Droitwich | 2023 |
| Coalesce Productions Ltd | Bristol | 2019 |
| Coalesce Swimming Club CIC | London | 2025 |
| Coalition Event Group Ltd | Waltham Cross | 2026 |
| Coalition Performance Ltd | Leicester | 2015 |
| Coalition Presents Limited | Telford | 2005 |
| Coalition-Audio Limited | Farnham | 2012 |
| Coalville Town Football Club Ltd | Lutterworth | 2014 |
| Coalville Town Youth Football Club Ltd | Derby | 2020 |
| Coart Ltd | London | 2019 |
| Coast 2 Coast Comps Ltd | Newton Abbot | 2025 |
| Coast Entertainments Limited | Kilmarnock | 2012 |
| Coast Fest CIC | North Shields | 2025 |
| Coast Fitness CIC | Belfast | 2022 |
| Coast Fitness South Lakes Ltd | Barrow-In-Furness | 2026 |
| Coast Gold Ltd | Reading | 2009 |
| Coast Roads Music & Arts Festival Ltd | Barrow-In-Furness | 2022 |
| Coast to Coast Surf School Limited | Dunbar | 2004 |
| COAST2COAST Scuba Diving Ltd | Poole | 2019 |
| Coastal Adventures Ltd | Redruth | 2023 |
| Coastal Amusements Limited | London | 1961 |
| Coastal Awakening Ltd | Penarth | 2025 |
| Coastal Barbarians Rowing Club CIC | Dorchester | 2023 |
| Coastal Care Medical Group Limited | Tugby | 2015 |
| Coastal Celebrations Ltd | Frinton-On-Sea | 2025 |
| Coastal Collective Events Ltd | Poole | 2026 |
| Coastal Crafts Ltd | Manchester | 2023 |
| Coastal Decorative Glass Supplies Ltd | Gosforth, Newcastle Upon Tyne | 2020 |
| Coastal Fitness (Devon) Limited | Exeter | 2022 |
| Coastal Fitness Deal Ltd | Deal | 2025 |
| Coastal Fitness Ltd | Swansea | 2019 |
| Coastal Fitness Retreats Limited | Poole | 2019 |
| Coastal Harbour Ltd | Cheltenham | 2011 |
| Coastal Karting & Leisure Ltd | Great Yarmouth | 2002 |
| Coastal Rowing Academy CIC | Havant | 2021 |
| Coastal Rowing Centre Limited | Dorchester | 2012 |
| Coastal Theatres Ltd | London | 2020 |
| Coastal Trail Runners Ltd | Felixstowe | 2024 |
| Coastal Transit Services Ltd | Sandwich | 2022 |
| Coastal Workshops Ltd | Cleethorpes | 2019 |
| Coastalcombatleague Ltd | Weymouth | 2025 |
| Coastbright Limited | Manchester | 2004 |
| Coasteering NI Ltd | Newtownards | 2023 |
| Coaster Production Ltd | Braintree | 2021 |
| Coastline Action Sports C.I.C. | Penzance | 2026 |
| Coastline Furs CIC | Bury St. Edmunds | 2025 |
| Coastline Productions Ltd | Edgware | 2005 |
| Coastline Sports Ltd | Barnstaple | 2025 |
| Coastology Limited | Haverfordwest | 2021 |
| Coat of Many Colours Tattoos Limited | Leyland | 2020 |
| Coated Pottery Ltd | Birmingham | 2025 |
| Coates Notes C.I.C. | Peterborough | 2023 |
| Coates-Smith Racing GP Limited | Stoke-On-Trent | 2024 |
| COB on the Road Holding Limited | London | 2026 |
| COB on the Road Limited | London | 2026 |
| COB Studios Limited | London | 2009 |
| Cobalt Fitness Ltd | Whitley Bay | 2016 |
| Cobalt TOO C.I.C. | Newcastle Upon Tyne | 2014 |
| Cobaltied Ltd | Bromyard | 2018 |
| Cobb Associates Limited | Peaslake | 2007 |
| Cobb Riddle and Spall Music Theatre CIC | Falmouth | 2022 |
| Cobbleacre Lakes Ltd | Hevingham | 2022 |
| Cobblerbob Ltd | London | 2019 |
| Cobby & Sons Limited | London | 2003 |
| Cobbydale Forge Ltd | Keighley | 2021 |
| Cobden Fitness Centre Ltd | Leicester | 2024 |
| Cobeat Limited | Southampton | 2023 |
| Cobham Cobras Basketball Ltd | Walton-On-Thames | 2021 |
| Cobham Community Garden CIC | Cobham | 2014 |
| Cobham Didi Rugby Limited | Esher | 2019 |
| Cobham Football and Social Club | Epsom | 2022 |
| Cobham Mill Preservation Trust | Cobham | 1986 |
| Cobham Rugby & Sports Association | Cobham | 2009 |
| Cobham Rugby Football Club Ltd | Cobham | 2009 |
| Cobham Sports Association (NO 1) Limited | Cobham | 2006 |
| Cobham Yoga Limited | Cobham | 2017 |
| Coble Landing Roundabouts Limited | Beverley | 1973 |
| Cobley Wellbeing Limited | Lichfield | 2018 |
| Cobnet Enterprises Limited | London | 2003 |
| Cobnor Leisure Ltd | Chichester | 2023 |
| Cobra (Cambs) Operations Limited | Stamford | 2018 |
| Cobra Boxing and Fitness Limited | Newcastle Upon Tyne | 2025 |
| Cobra Competitions Ltd | Banchory | 2022 |
| Cobra Enterprises Ltd | Derby | 2015 |
| Cobra Evolution Martial Arts Academy Ltd | Stoke-On-Trent | 2025 |
| Cobra Racing Limited | Colchester | 2020 |
| Cobra Sport Limited | London | 2011 |
| Cobra WCB Limited | Preston | 2019 |
| COBRA6 Limited | Glasgow | 2025 |
| Cobras Basketball Club Limited | Bagshot | 2016 |
| Cobu Illustration Ltd | Banbury | 2019 |
| Coby Ebere Ltd | Liverpool | 2024 |
| Cochin Carnival Ltd | Liverpool | 2026 |
| Cochranes Padel Club Limited | Middlesbrough | 2025 |