| Coates and Seely Limited | Whitchurch | 2008 |
| Coates Automotive Developments Limited | Rugby | 2006 |
| Coates Electronics Limited | Cambridge | 2023 |
| Coates Engineering Limited | Bangor | 2015 |
| Coates Industrial Ltd | Gateshead | 2026 |
| Coates Spirit Ventures Ltd | Macclesfield | 2024 |
| Coatexpert Ltd | London | 2025 |
| Coating Solutions (SW) Ltd | Plymouth | 2020 |
| Coating Solutions Limited | Whitchurch | 2017 |
| Coating Systems (International) Limited | Bury St. Edmunds | 1994 |
| Coating Technologies Limited | Moreton-In-Marsh | 1979 |
| Coatings by Chris Ltd | Airdrie | 2025 |
| Coatmakers of York Ltd | York | 2019 |
| Coatresa UK Limited | Clifton | 2022 |
| Coax Direct Ltd | Twickenham | 2015 |
| Coax Solutions Limited | Old Harlow | 2006 |
| Coaxial Power Systems Limited | London | 1995 |
| Coba Automotive (UK) Limited | Leicester | 1966 |
| Coba Plastics Moulding Limited | Leicester | 2016 |
| Coba Precision Engineering Limited | Leicester | 1982 |
| Cobal (Cranes) Ltd | Sheffield | 1976 |
| Cobal Sign Systems Limited | Newbury | 1981 |
| Cobalt Aerospace Limited | Newport | 2013 |
| Cobalt Aluminium Limited | Croydon | 2015 |
| Cobalt Construction NE Ltd | Houghton Le Spring | 2007 |
| Cobalt Controls Limited | Wednesbury | 2003 |
| Cobalt Electronic Limited | Kington | 2021 |
| Cobalt Fabrications Limited | Royston | 2024 |
| Cobalt Machinery Limited | Middlesbrough | 2023 |
| Cobalt Systems Ltd | Wardle | 1997 |
| Coban Metal Works Ltd | London | 2020 |
| Cobb Composites Ltd | Swadlincote | 2021 |
| Cobb-Lee's Limited | Suffolk | 2002 |
| Cobble and HAY CIC | Wirral | 2025 |
| Cobble Lane Cured Ltd | London | 2013 |
| Cobble Shop Limited | Hurlford | 2024 |
| Cobble Sussex Ltd | Polegate | 2026 |
| Cobbled Limited | Leicester | 2017 |
| Cobblepath Games Ltd | Petersfield | 2019 |
| Cobblers & Keys (Leamington Spa) Limited | Leamington Spa | 2024 |
| Cobblers Weybridge Limited | London | 2019 |
| Cobblestone Creative Limited | Edinburgh | 2025 |
| Cobblestones Carpentry Limited | Newent | 2003 |
| Cobco 811 Limited | St Helens | 2006 |
| Cobcrete Limited | Royston | 1994 |
| Cobden Flair Ltd | Birmingham | 2025 |
| Cobham Coachworks Limited | Morden | 2022 |
| Cobham Rentals Limited | Byfleet | 2016 |
| Cobiolifix Technologies Ltd | London | 2026 |
| Cobnar Motor Engineers Limited | | 1980 |
| Cobo Biosolutions Limited | Newcastle Upon Tyne | 2026 |
| Cobo Innovations Limited | St. Albans | 2018 |
| Cobolan UK Group Limited | West Midlands, England | 2025 |
| Cobonic Limited | Dorking | 1976 |
| Coborn Coffee Ltd | London | 2022 |
| Coborn Diamond Technology Ltd | Colchester | 2025 |
| Coborn Engineering Company Limited | London | 1942 |
| Cobot Automation Ltd | Southam | 2026 |
| Cobot Solutions Limited | Birmingham | 2024 |
| Cobra Beer Partnership Limited | Burton Upon Trent | 2009 |
| Cobra Braiding Machinery Ltd | Newcastle | 1960 |
| Cobra Chemicals Ltd | Chesterfield | 2025 |
| Cobra Coatings Limited | St Helens | 2017 |
| Cobra Composite Technologies Ltd | Chichester | 2025 |
| Cobra Compressed Air Limited | Redditch | 2010 |
| Cobra Cords Ltd | Bathgate | 2025 |
| Cobra Dual Controls Limited | Enniskillen | 2025 |
| Cobra Electronics Limited | South Croydon | 1991 |
| Cobra Engineering (UK) Limited | Cambridgeshire | 1999 |
| Cobra Fabrication Limited | Peterhead | 2015 |
| Cobra Fire Protection Limited | Glasgow | 2011 |
| Cobra Hydro UK Limited | Romsey | 2005 |
| Cobra Industries Limited | Hertfordshire | 1995 |
| Cobra Knitwear Ltd | Oldham | 2020 |
| Cobra Lifting Services Ltd | Canvey Island | 2017 |
| Cobra Locksmith Services Ltd | Speke | 2022 |
| Cobra Manufacturing Ltd | Sheffield | 2021 |
| Cobra Precision Engineering Limited | Waterlooville | 1989 |
| Cobra Ribs Limited | Christchurch | 2006 |
| Cobra Seats Limited | Telford | 1978 |
| Cobra Seats Technology Limited | Rochester | 2015 |
| Cobra Signs Printing Ltd | Blackpool | 2019 |
| Cobra Simulation Limited | Edinburgh | 2012 |
| Cobra Stationery Limited | Chessington | 2012 |
| Cobra Strength Company Ltd | Coventry | 2023 |
| Cobra Textiles Ltd | Oldham | 2014 |
| Cobra Tool & DIE Limited | Portsmouth | 2009 |
| Cobra Welding Services Limited | Aberdeenshire | 2006 |
| Cobra Workwear Ltd | Tonypandy | 2022 |
| Cobrak Ltd | London | 2024 |
| Cobrec Limited | Preston | 2014 |
| Cobrey Limited | Cardiff | 2025 |
| Cobrick Ltd | London | 2025 |
| Cobrolite Export Limited | Manchester | 1996 |
| Cobtec UK Co., Ltd | Beckenham | 2023 |
| Cobtree Engineering Company Limited | Cardiff | 1963 |
| Cobuilder UK Limited | London | 2015 |
| Coburg Coffee Company Limited | Brighton | 1963 |
| Coburn & Baker Ltd | Brighton | 2012 |
| Coburn Sliding Systems Limited | Godmanchester | 1994 |