| Checkers Restaurant Montgomery Limited | Real estate | 2010 |
| Chester West Limited | Real estate | 2001 |
| Chesworth Construction Ltd | Construction | 2021 |
| Chill Print Ltd | Manufacturing | 2015 |
| Chilled Radio Ltd | Information & communication | 2021 |
| Chloe Elizabeth Dance Community CIC | Arts & recreation | 2025 |
| Chris Hoare Consulting Ltd | Professional & scientific | 2014 |
| Chronos Communications Limited | Professional & scientific | 2025 |
| Cjbather Limited | Construction | 2015 |
| CJM Installations (Shropshire) Limited | Construction | 2016 |
| Ckkp Ltd | Hospitality | 2024 |
| Cladding Consultantcy Ltd | Professional & scientific | 2025 |
| Clara Duke Limited | Real estate | 2012 |
| Clean Air Plant Procurement Services Limited | Financial services | 2022 |
| Clear Path Utilities Ltd | Construction | 2022 |
| Clinical Movement Analysis Society UK and Ireland | Other services | 2011 |
| Clive Davies Haulage Limited | Transport & logistics | 2003 |
| Clive Humphreys Plant Hire Limited | Construction | 2009 |
| Clough and Clark Property Limited | Real estate | 2024 |
| Clout Interactive Ltd | Information & communication | 2026 |
| Clun Valley Investments Limited | Real estate | 1994 |
| Coastal and Whyte Ltd | Professional & scientific | 2023 |
| Cockshutt Windows Ltd | Construction | 2015 |
| Coco Coffeehouse Ltd | Hospitality | 2014 |
| Colab Dental Technologies Limited | Manufacturing | 2025 |
| Cold Move Limited | Manufacturing | 1996 |
| Color Cafe Limited | Hospitality | 2025 |
| Colum Doyle Building Services Limited | Construction | 2009 |
| Coly Anchor Developments Limited | Real estate | 1998 |
| Comprehensive Financial Planning Limited | Financial services | 2010 |
| Compukey Limited | Information & communication | 1998 |
| Computer Systems Intelligence Ltd | Extraterritorial | 2014 |
| Concierge 1 Limited | Real estate | 2008 |
| Concierge 1000 Limited | Professional & scientific | 2020 |
| Concierge 11 Limited | Construction | 2021 |
| Concierge 14 Limited | Real estate | 2021 |
| Concierge 2 Limited | Real estate | 2008 |
| Concierge 2000 Limited | Financial services | 2026 |
| Concierge 35 Limited | Real estate | 2008 |
| Concierge 36 Limited | Financial services | 2010 |
| Concierge 5 Limited | Real estate | 2015 |
| Concierge 6 Limited | Information & communication | 2015 |
| Concierge 8 Limited | Real estate | 2018 |
| Concierge 9 Limited | Real estate | 2012 |
| Concrete Polishing Group Limited | Construction | 2017 |
| Connectpro Services Ltd | Professional & scientific | 2025 |
| Conservation Building Services Ltd | Construction | 2002 |
| Cool Running's Trailer Hire Ltd | Administrative & support | 2019 |
| Core Academy Oswestry Limited | Education | 2025 |
| Core Gym Oswestry Limited | Arts & recreation | 2025 |
| Corserve Limited | Professional & scientific | 2015 |
| Cosens Consultancy Limited | Professional & scientific | 2008 |
| Cosmo Lloyd Limited | Construction | 2023 |
| Country Fresh Broilers Limited | Agriculture & fishing | 1999 |
| Country Gardens & Woodlands Limited | Agriculture & fishing | 2006 |
| Country Sports Limited | Information & communication | 2025 |
| Courtyard Property (Shropshire) Limited | Real estate | 2014 |
| Covent Garden Fruit Market Ltd | Wholesale & retail | 2019 |
| Cpmj Consultants Limited | Manufacturing | 2022 |
| CR & GM Woollam & SON (Agriculture) Ltd | Agriculture & fishing | 2017 |
| Craig Young Consulting Limited | Wholesale & retail | 2010 |
| Cranberry Leisure Limited | Hospitality | 2005 |
| Crestwood Court (Oswestry) Management Company Limited | Real estate | 1990 |
| Cube Lights Ltd Ltd | Manufacturing | 2025 |
| Custom Helpdesk Solutions (UK) Limited | Information & communication | 2008 |
| CW Services Shropshire Ltd | Professional & scientific | 2021 |
| CWR Properties Ltd | Real estate | 2019 |
| Cynhenid Care Ltd | Health & social care | 2020 |
| Cynhenid Holdings Ltd | Financial services | 2024 |
| Cysgod Y Gyrn Management Company Limited | Households | 2022 |
| D & R Dampcoursing Limited | Construction | 1998 |
| D and B Utilities Limited | Water & waste | 2007 |
| D J Woosnam Electrical Contractors Limited | Construction | 2023 |
| D Lane Ltd | Professional & scientific | 2025 |
| D Lloyd Jones Plumbing & Heating Ltd | Water & waste | 2012 |
| D P Hire Limited | Manufacturing | 2014 |
| D Powell Plumbing and Heating Limited | Construction | 2015 |
| D R Forecourt Services Limited | Manufacturing | 2014 |
| D W Dulson Care Group Limited | Financial services | 2019 |
| D W Dulson Ltd | Construction | 2019 |
| D.A.B. Plumbing & Heating Limited | Construction | 2006 |
| D.A.Bunning GAS Ltd | Construction | 2014 |
| D.I. Harper Weston Garage Limited | Professional & scientific | 1987 |
| D.N.T.S. Ltd. | Transport & logistics | 1999 |
| D.P.A. Surveys Limited | Professional & scientific | 2010 |
| Dajz Limited | Real estate | 2018 |
| Dalton Property Holdings Ltd | Real estate | 2026 |
| DAN Williamson Steel Framed Buildings Limited | Manufacturing | 2017 |
| Daniel James Residential Ltd | Real estate | 2020 |
| Daniel Watkin Joinery Ltd | Construction | 2025 |
| Danpra Limited | Construction | 2020 |
| Darren Jensen Building Services Limited | Construction | 2016 |
| Darren Pallatina Designs Ltd | Professional & scientific | 2023 |
| David Davies & Sons Limited | Professional & scientific | 2005 |
| David Hitchings (Broadchalke) Limited | Agriculture & fishing | 1961 |
| Davies Driver Hire Limited | Transport & logistics | 2002 |
| Davis Farming Company Ltd | Agriculture & fishing | 2025 |
| Davis Healthcare Ltd | Health & social care | 2013 |
| Davis Meade Property Consultants Limited | Professional & scientific | 2009 |
| DBG UK Consulting Ltd | Professional & scientific | 2016 |