| Creative Woodwork Limited | Manufacturing | 2010 |
| Creative Workshops NE CIC | Education | 2024 |
| Creativeconservation Limited | Professional & scientific | 2014 |
| Creativeluxe Ltd | Other services | 2023 |
| Creativesubs Limited | Extraterritorial | 2003 |
| Creativity NE Ltd | Hospitality | 2023 |
| Creativity, Culture and Education | Education | 2008 |
| Creator Raffles Limited | Arts & recreation | 2025 |
| Credican Ltd | Financial services | 2023 |
| Credit Services Association Limited | Other services | 1906 |
| Credtec Ltd | Information & communication | 2026 |
| Creed Leather Ltd | Wholesale & retail | 2024 |
| Creighton Place (Embleton) Management Company Limited | Households | 2016 |
| Creldan Limited | Professional & scientific | 2009 |
| Crepes Gourmet GM Ltd | Hospitality | 2024 |
| Cressbrook Developments Ltd | Construction | 2012 |
| Cresswell Hall Estates Limited | Administrative & support | 2002 |
| Crestmill Investments Limited | Hospitality | 2017 |
| Crestwell Real Estate Ltd | Real estate | 2026 |
| CRF NE Limited | Administrative & support | 2020 |
| Crim's Cards Ltd | Wholesale & retail | 2022 |
| Crinson Property Group Limited | Real estate | 2024 |
| Crisis City Ltd | Information & communication | 2025 |
| Cristian Nita Medical Services Ltd | Health & social care | 2019 |
| CRL Foods Ltd | Manufacturing | 2017 |
| Crld Consulting Limited | Construction | 2025 |
| CRM Financial Services Limited | Financial services | 2020 |
| Crmn Ltd | Information & communication | 2026 |
| Crochet Kerry Ltd | Wholesale & retail | 2025 |
| Crocodilus Ltd | Real estate | 2025 |
| Croft Business Management (Tyne and Wear) Ltd | Construction | 2013 |
| Croft Corporation Limited | Financial services | 2025 |
| Croft Integrated Systems Limited | Other services | 1994 |
| Croft International Properties Limited | Real estate | 2016 |
| Croft Ventures Limited | Hospitality | 2012 |
| Crofton Estate Management Company Ltd | Households | 2014 |
| Croglin Ltd | Manufacturing | 2017 |
| Cromarty Consultancy Limited | Professional & scientific | 2025 |
| Cromwell Court Freehold Limited | Real estate | 2013 |
| Cronnie Creative Co Ltd | Information & communication | 2026 |
| Cronnie Creative LLP | | 2016 |
| Crosby Consultancy Ltd | Arts & recreation | 2024 |
| Crosby Developments Ltd | Construction | 2020 |
| Cross Digital Works Ltd | Information & communication | 2023 |
| Cross Scaffolding NE Limited | Construction | 2025 |
| Crossco (1461) Limited | Real estate | 2022 |
| Crossco (1466) Limited | Financial services | 2024 |
| Crossco (1467) Limited | Financial services | 2024 |
| Crossco (1477) Limited | Financial services | 2026 |
| Crossco (1478) Limited | Financial services | 2026 |
| Crossco (1479) Limited | Financial services | 2026 |
| Crossco (1480) Limited | Financial services | 2026 |
| Crossco (1481) Limited | Financial services | 2026 |
| Crossco (1482) Limited | Financial services | 2026 |
| Crossco (454) Limited | Extraterritorial | 1983 |
| Crossco (877) Limited | Real estate | 2005 |
| Crossco (912) Limited | Extraterritorial | 2005 |
| Crossco (990) Limited | Real estate | 2006 |
| Crossco (991) Limited | Education | 2006 |
| Crossco (NO. 103) Limited | Construction | 1994 |
| Crossco 993 Limited | Real estate | 2018 |
| Crossfit Tyneside NE1 Limited | Arts & recreation | 2017 |
| Crossley Wine Centre Ltd | Wholesale & retail | 2003 |
| Crowd Threat Limited | Administrative & support | 2024 |
| CROWD2LET Capital Ltd | Real estate | 2016 |
| Crowdhouse Energy Limited | Professional & scientific | 2019 |
| Crowdhouse MEP Limited | Construction | 2024 |
| Crowdy Investments Limited | Professional & scientific | 2022 |
| Crowl Painting Contractor Ltd | Construction | 2025 |
| Crown Capitals Acquisition Limited | Financial services | 2025 |
| Crown Care Developments II Limited | Construction | 2015 |
| Crown Care Developments IV Limited | Construction | 2016 |
| Crown Care Developments Limited | Construction | 2015 |
| Crown Care Developments V Limited | Health & social care | 2018 |
| Crown Care Holdings Limited | Professional & scientific | 2015 |
| Crown Care I LLP | | 2010 |
| Crown Care II LLP | | 2009 |
| Crown Care IV Limited | Health & social care | 2013 |
| Crown Care IX Limited | Health & social care | 2020 |
| Crown Care V Limited | Health & social care | 2014 |
| Crown Care VI Limited | Health & social care | 2014 |
| Crown Care VII Limited | Health & social care | 2017 |
| Crown Care Viii Limited | Health & social care | 2018 |
| Crown Care X Limited | Construction | 2016 |
| Crown Care XI Ltd | Health & social care | 2020 |
| Crown Care XII Ltd | Health & social care | 2020 |
| Crown Care XIV Limited | Health & social care | 2020 |
| Crown Care XV Limited | Health & social care | 2020 |
| Crown Care XVI Limited | Health & social care | 2025 |
| Crown Care Xvii Limited | Health & social care | 2025 |
| Crown Care Xviii Limited | Health & social care | 2026 |
| Crown Cars (Cramlington) Ltd | Transport & logistics | 2008 |
| Crown Electrical Solutions Limited | Construction | 2017 |
| Crown Hairdressing Limited | Other services | 2003 |
| Crown Tools & Fixings Limited | Wholesale & retail | 1988 |
| Crown Windows (Upvc) Limited | Wholesale & retail | 1998 |
| Crownwize Consulting Ltd | Professional & scientific | 2025 |
| Crows & Ravens Limited | Professional & scientific | 2024 |
| Crowther Partnership LLP | | 2019 |
| Croydon Road Jewellers Limited | Other services | 2009 |