| CIP Holdings | |
| Calendars/Diaries Bristol | |
| Cameron Linn | |
| Camgate Holdings | |
| Cannon Group | |
| Capital Print & Display | |
| Caps Cases | |
| Caric Press | |
| Carlton Cards | |
| Carnaudmetalbox | |
| Carter Litho | |
| Casburn Wayman | |
| Cavendish Press | |
| CCA | |
| CCA Stationery | |
| CCS | |
| Cedar Group part of Inchbrook Holdings | |
| Centaprint of Leicester | |
| Centre Web now owned by York Mailing | |
| Centurion Press | |
| Century Litho (Truro) | |
| CFH | |
| Chainvale parent company of John Blackburn Ltd. | |
| Charisma Colourprint | |
| Charterhouse Printing | |
| Checkprint | |
| Chesapeake | |
| Chelver Packaging (previously Cheverton & Laidler) | |
| Chevler Holdings | |
| Chris Fowler International | |
| Chris Hayter Transport | |
| City Digital | |
| City & Financial International | |
| Clearview Press | Comments We are a trade large format litho printer to max sheet size of 1200mm x 1600mm with trade finishing Tel: 01992 479186 |
| Clicks Group | |
| Clifford Packaging | |
| Clifford Thames Group | |
| Clinimed Holdings | |
| Clockhouse Press (The) | |
| Clondalkin Group | |
| CMCS Group | |
| CN Group | |
| Codesecure | |
| Coleridge Business Services | |
| Colin Clapp | |
| Colleagues Direct Marketing | |
| Collector Set Print | |
| College Hill Press | |
| Color Company (The) | |
| Colortec | |
| Colour Works (The) | |
| Colourhouse (The) | |
| Colourleaflets.com | |
| Colourways | |
| Commercial Colour Press | |
| Communisis | |
| Contact (Print & Packaging) | |
| Cooper Clegg | |
| Copy House Group | |
| Corporate Document Services | |
| Covpak | |
| CPack | |
| CPC Packaging | |
| CPI (UK) | |
| Creative Print & Design | |
| Creative Print Group | |
| CRP Print & Design | |
| CSM Group | |
| CTD Capita | |
| CTP | |
| Cunningham Graphics International | |
| CW Print Group |