Canalside Studios
- Based in
- Huddersfield
- Games in the catalogue
- 5
Capstan Games
- Founded
- 29 July 2021
- Games in the catalogue
- 1
Cascade Games
- Country
- United Kingdom
Cave Monsters
- Based in
- Sheffield
- Founded
- 5 November 2018
CGA Studio Games
- Based in
- Liverpool
- Founded
- 2 November 2021
Chillingo
- Based in
- Macclesfield
- Founded
- 2002
CIRCLE Entertainment
- Founded
- May 2006
- Country
- United Kingdom, People's Republic of China, Hong Kong
Circle Studio
- Based in
- Derby
- Founded
- October 2003
Climax Studios
- Based in
- City of Portsmouth, Portsmouth
- Founded
- 1988
Clockwork Games Limited
- Country
- United Kingdom
Cloudgine
- Based in
- Edinburgh
- Games in the catalogue
- 1
Cloudscan
- Games in the catalogue
- 1
- Country
- United Kingdom
Coatsink
- Founded
- 2009
- Games in the catalogue
- 5
Cobra Mobile
- Based in
- Dundee
- Founded
- 7 April 2005
Codemasters
- Based in
- Warwickshire
- Founded
- 1986
Codo Technologies
- Games in the catalogue
- 2
- Country
- United Kingdom
Cohort Studios
- Based in
- Cardiff
- Founded
- March 2006
ColePowered Games
- Based in
- Bristol
- Founded
- 2011
Commodore Business Machines (UK)
- Country
- United Kingdom
Computer Artworks
- Based in
- London
- Founded
- 1993
Confounding Factor
- Based in
- Bristol
- Founded
- 1997
Core Design
- Based in
- Derby
- Founded
- 1988
Cosmic Boop
- Based in
- Sheffield
- Founded
- 12 August 2019
Cosmonaut Studios
- Based in
- Liverpool
- Founded
- 2015
Covert Operations Ltd
- Based in
- London
- Founded
- 2000
Coyote Console
- Based in
- Cheltenham
- Founded
- 1998
Creative Assembly
- Based in
- Horsham
- Founded
- 18 August 1987
Creative Edge Software
- Country
- United Kingdom
Creative Reality
- Based in
- Portsmouth
- Founded
- 1989
Creative Sparks
- Games in the catalogue
- 4
- Country
- United Kingdom
Criterion Games
- Based in
- Guildford
- Founded
- 1993
CRL Group
- Based in
- London
- Founded
- 1982
Crystal Computing
- Based in
- Manchester
- Founded
- 1982
Crystal Squid
- Founded
- 2003
- Games in the catalogue
- 3
Crystalline Green Ltd.
- Founded
- August 2011
- Games in the catalogue
- 2
Crytek UK
- Based in
- Nottingham
- Founded
- 1999
Cult Games
- Country
- United Kingdom
Curve Games
- Based in
- London
- Founded
- 14 December 2005
Cyberstyle
- Country
- United Kingdom