| Chiddler Holdings Ltd | Denbigh, Denbighshire, | 2024 |
| Chie Technology Limited | Dungannon | 2020 |
| Chieffo Group Ltd | Worcester | 2023 |
| Chieffo Holdings Ltd | Worcester | 2023 |
| Chieffo Projects Ltd | Worcester | 2025 |
| Chieftain Management Ltd | Ridge | 2025 |
| Chiffron Ltd | South Croydon | 2009 |
| Chifx Ltd | Great Yarmouth | 2021 |
| Chiga Holdings Limited | Croydon | 2025 |
| Chigwell Broker Services Limited | Chigwell | 2025 |
| Chigwell Group PLC | London | 2023 |
| Chigwell Propco Limited | Worthing | 2022 |
| Chika Holdings Ltd | London | 2026 |
| Chikara Assets Limited | Reading | 2021 |
| Chikara Capital Ltd. | London | 2014 |
| Chikara Investment Services Limited | London | 2005 |
| Chikara Investments UK Ltd | London | 2023 |
| Chil Holdings Ltd | Tewkesbury | 2026 |
| Chil UK Group Ltd | Deeside | 2026 |
| Chilard+Jordan Limited | Stanmore | 2023 |
| Chilbourne Ltd | Salisbury | 2025 |
| Chilbridge Limited | Maidenhead | 2025 |
| Chilbrook Limited | Weybridge | 2025 |
| Chilcotin Limited | Grantham | 2010 |
| Chilcott Group Limited | Bristol | 2024 |
| Chilcotts Law 2022 Limited | Tavistock | 2022 |
| Child & Child Holdings Limited | London | 2022 |
| Child Health Ventures Ltd | Oxford | 2024 |
| Child of Vision Limited | London | 2022 |
| Child Okeford Consultants Limited | Bournemouth | 2014 |
| Child's Time Holdings Limited | Welwyn Garden City | 2022 |
| Childcare 360 Holdings Limited | Brighton | 2017 |
| Childown Holdings Limited | Walton On Thames | 2018 |
| Children Always First Holdco Limited | Worcester | 2025 |
| Children Newco Ltd | Wolverhampton | 2024 |
| Children's ARK Limited | Haverhill | 2005 |
| Childrenstoys.Com Ltd | Newton Ferrers | 1959 |
| Children’S Corner Group Limited | Leeds | 2024 |
| Childs and Sulzmann (Holdings) Ltd | Bristol | 2021 |
| Childs Consulting Limited | Welwyn | 2022 |
| Chile Small Pelagics FIP Ltd | London | 2023 |
| Chilean Rhyme Limited | London | 2025 |
| Chiles Investment Solutions Limited | Solihull | 2010 |
| Chilgrove Consultants Ltd | Chichester | 2021 |
| Chilham Castle Estate Group Limited | Canterbury | 2022 |
| Chili K Consulting Ltd | London | 2017 |
| Chill 2023 Ltd | Tyne And Wear | 2023 |
| Chill OUT Holdings Ltd | Henley-On-Thames | 2020 |
| Chill Property Services Limited | Chester | 2020 |
| Chillaton Bidco Limited | London | 2024 |
| Chillaton Midco Limited | London | 2024 |
| Chillaton Topco Limited | London | 2024 |
| Chillblast Holdings Limited | Warrington | 2024 |
| Chillblast Trustees Limited | Warrington | 2024 |
| Chilled Pubs Limited | Derby | 2014 |
| Chilli Chutney Ltd | Brighton | 2025 |
| Chilli Food Group (NI) Limited | Newry | 2021 |
| Chilli Honey Holdings Ltd | Bourne End | 2024 |
| Chilli Pilates (Holdings) Ltd | Luton | 2009 |
| Chilli Retention Funding Limited | London | 2019 |
| Chilling Ventures Limited | Winchester | 2026 |
| Chillington Vale Limited | London | 2018 |
| Chillman Group Limited | Ipswich | 2022 |
| Chilsey Green Ltd | Guildford | 2024 |
| Chiltern Asset Finance Ltd | High Wycombe | 2002 |
| Chiltern Capital Nominees (Battle) Limited | London | 2018 |
| Chiltern Capital Nominees (Drake) Limited | London | 2019 |
| Chiltern Capital Nominees (Heat) Limited | London | 2020 |
| Chiltern Capital Nominees (Oval) Limited | London | 2017 |
| Chiltern Capital Nominees (PES) Limited | London | 2018 |
| Chiltern Capital Nominees (Pixel) Limited | London | 2018 |
| Chiltern Capital Nominees (Snowy) Limited | London | 2022 |
| Chiltern Capital Nominees (Spill) Limited | London | 2022 |
| Chiltern Capital Nominees (Torrent) Limited | London | 2021 |
| Chiltern Capital Nominees (Trueman) Limited | London | 2017 |
| Chiltern Capital Nominees Limited | London | 2015 |
| Chiltern Care Holding Ltd | Chesterfield | 2023 |
| Chiltern Care Services (UK) Limited | Princes Risborough | 2006 |
| Chiltern Consultancy Limited | Chorley | 2002 |
| Chiltern Corporation Wealth Limited | Beaconsfield | 2024 |
| Chiltern Financial Consultants Limited | Aylesbury | 2015 |
| Chiltern Industries Limited | Melton Mowbray | 2019 |
| Chiltern Marble Group Limited | Witham | 2017 |
| Chiltern Medical Holdings Limited | Reading | 2018 |
| Chiltern Mortgages Ltd | High Wycombe | 2024 |
| Chiltern Oak Ltd | Berkhamsted | 2022 |
| Chiltern Payroll Ltd | Great Missenden | 2006 |
| Chiltern Services Group Limited | Cheltenham | 2023 |
| Chiltern Thrust Bore Holdings Ltd | Olney | 2020 |
| Chiltern Training Group Limited | Reading | 2015 |
| Chiltington International Limited | Gloucester | 1982 |
| Chilton Finance Limited | Wirral | 2022 |
| Chilton Investment Company Limited | London | 1999 |
| Chilvester Group Ltd | Chippenham | 2019 |
| Chilvester Investments Ltd | Chippenham | 2021 |
| Chilvester Limited | Chippenham | 2002 |
| Chimaera Assets Ltd | Wakefield | 2025 |
| Chimata Limited Limited | London | 2025 |
| Chime Global Ltd | London | 2019 |
| Chimera Financial Solutions Limited | Worksop | 2012 |