| BZZ Investments Ltd | Bradford | 2020 |
| Bébé Carrier Ltd | Birmingham | 2016 |
| Bølti UK Holding Ltd | London | 2022 |
| C & a Dennis-Jones Limited | Harrington | 1989 |
| C & a Evans Holdings Limited | Newton Abbot | 2026 |
| C & a Hall Holdings Limited | Gateshead | 2025 |
| C & a Healthcare Limited | Bolton | 2010 |
| C & a R Investments | Barnsley | 2022 |
| C & B Birmingham Holdings Limited | Birmingham | 2024 |
| C & B Group Limited | Addlestone | 2021 |
| C & B Holdings Ltd | Derby | 2025 |
| C & B Insurance Services Limited | Berkhamsted | 2007 |
| C & C Associates Ltd | Potters Bar | 2025 |
| C & C Catering Engineers (Holdings) Limited | London | 2024 |
| C & C Catering Equipment (Holdings) Limited | London | 2024 |
| C & C Convenience Stores Limited | Chorley | 2016 |
| C & C Employee Benefits Limited | Stockport | 2018 |
| C & C Healthcare Limited | London | 2014 |
| C & C Holdings North East Limited | Seaham | 2023 |
| C & C Insurance Brokers (Chester) Limited | Stockport | 2026 |
| C & C Insurance Brokers (Leeds) Limited | Stockport | 2018 |
| C & C Insurance Brokers Limited | Stockport | 2002 |
| C & C International Holdings Ltd | Market Harborough | 2019 |
| C & C Investment & Property Holdings Limited | Great Yarmouth | 2019 |
| C & C Reconditioning Limited | Southampton | 2012 |
| C & C Smart Risk Ltd | Market Harborough | 2020 |
| C & C Supplies Holdings Ltd | Preston | 2024 |
| C & D (Leeds) Holdings Limited | Leeds | 2017 |
| C & D Corporate Consultants Ltd | London | 2012 |
| C & D Engineering Group Ltd | Elland | 2025 |
| C & D Financial & Insurance Services Limited | Oxted | 2003 |
| C & D Group Holdings (UK) Limited | Stamford | 2017 |
| C & D Group Holdings Limited | Stamford | 2012 |
| C & D Holdings Ltd | Ryde | 2022 |
| C & D Leisure Properties Ltd | Middlesbrough | 2016 |
| C & D Trust Limited | Chesterfield | 2025 |
| C & F Financial Services Limited | Sunderland | 2019 |
| C & G Commercial Holdings Ltd | Polegate | 2022 |
| C & G Finance Ltd | London | 2019 |
| C & G Plastering Group Ltd | Waltham Abbey | 2018 |
| C & G Ward Properties Limited | Skipton | 2018 |
| C & H Farm Holdings Ltd | Belfast | 2023 |
| C & H Holdings (Bennetts) Limited | Mirfield | 2018 |
| C & H Premier Homes Property Limited | Maldon | 2024 |
| C & J Benham Limited | Hertfordshire | 2026 |
| C & J Family Investments Limited | Opus Avenue | 2020 |
| C & K Herd Consultancy Ltd | Carlisle | 2025 |
| C & K Holdings Rhymney Limited | Rhymney | 2024 |
| C & K Hutton Holdings Limited | Mountsorrel | 2014 |
| C & KW Holdings Limited | Annan | 2021 |
| C & L Fairburn Holdings Limited | Louth | 2025 |
| C & L Holdings (Suffolk) Limited | Ipswich | 2022 |
| C & L Partnership Limited | Romsey | 2018 |
| C & L Stephens Limited | London | 2023 |
| C & L Wood Holdings Limited | Oxfordshire | 2002 |
| C & M (Life & Pensions) Limited | Middlesbrough | 1990 |
| C & M Holdings (North West) Limited | Widnes | 2018 |
| C & M Mcclory & Co Limited | Milton Keynes | 2018 |
| C & M Restaurant Group Limited | Halstead | 2019 |
| C & M Robertson Group Ltd | Tain | 2024 |
| C & M Tramontini Limited | Chelmsford | 2000 |
| C & M Wealth International Ltd | London | 2014 |
| C & N Clarkson Holdings Ltd | Leeds | 2025 |
| C & N Fisher Limited | Leytonstone | 2022 |
| C & N Tanner Ltd | Coventry | 2012 |
| C & P Dodd Limited | Ilkeston | 2012 |
| C & R Construction Holdings Limited | Coldridge | 2021 |
| C & R Holdings Howden Ltd | Brough | 2020 |
| C & R Investments Holdings Limited | Cheshunt | 2019 |
| C & R Mccourt Holdings Ltd | Dungannon | 2022 |
| C & R Office Limited | Barnsley | 2017 |
| C & R Risk Management Limited | Rickmansworth | 2024 |
| C & S Group (London) Ltd | London | 2025 |
| C & S Holdco Limited | London | 2025 |
| C & S Holding Group Ltd | Hull | 2026 |
| C & S Holdings (Yorkshire) Ltd | Skipton | 2020 |
| C & S Investment Options Ltd | Hemel Hempstead | 2010 |
| C & S Marketing Limited | Gomersal | 2019 |
| C & S Moore Investments Limited | Torquay | 2020 |
| C & S S (Holdings) Limited | Liverpool | 2014 |
| C & S Sunshine Investments Limited | Ayr | 2020 |
| C & S Vaughan Limited | Blackburn | 2017 |
| C & T Hoyle Holdings Limited | Sandhurst | 2019 |
| C & V Carmichael Holdings Limited | Edinburgh | 2018 |
| C & V Dixon | Carlisle | 2019 |
| C & W Berry Commercial Finance Limited | Leyland | 2022 |
| C & W Investments Limited | Newcastle Upon Tyne | 2014 |
| C & W Mortgages Ltd | Stockport | 2023 |
| C & W Removals Limited | Mangotsfield | 2023 |
| C & Z Equity Ltd | Northampton | 2022 |
| C a Components Ltd. | Northampton | 2002 |
| C a Cooper Consulting Limited | London | 2013 |
| C a D Ventures (London) Limited | London | 2014 |
| C a Financial Services Ltd | Sevenoaks | 2016 |
| C a Fletcher Holdings Limited | Chester | 2026 |
| C a House Mortgages Ltd | Romsey | 2019 |
| C Adams and Sons (Holdings) Ltd | Wednesbury | 2019 |
| C Allin Consultancy Ltd | Burton-On-Trent | 2023 |
| C and C Baseline Holdings Limited | Wigan | 2025 |
| C and C Leire Holdings Limited | Lutterworth | 2021 |