I Fight Bears
- Games in the catalogue
- 1
- Country
- United Kingdom
ICE Software
- Country
- United Kingdom
Icon Games Entertainment
- Games in the catalogue
- 1
- Country
- United Kingdom
Ideaworks Game Studio
- Based in
- Bayswater
- Founded
- 1997
Idigicon Limited
- Founded
- 1980
- Games in the catalogue
- 4
Ignition Banbury
- Country
- United Kingdom
IGP Games
- Based in
- London
- Founded
- 21 March 2011
Impressions Games
- Based in
- Cambridge
- Founded
- 1989
Incentive Software
- Based in
- Reading
- Founded
- 1983
Increpare games
- Games in the catalogue
- 6
- Country
- United Kingdom
IndieRevo
- Games in the catalogue
- 3
- Country
- United Kingdom
Infinite Dreams Software
- Games in the catalogue
- 1
- Country
- United Kingdom
Infinite State Games
- Based in
- Tonbridge
- Founded
- 17 July 2013
Ink Stains Games
- Country
- United Kingdom
Inkle
- Based in
- Cambridge
- Founded
- November 2011
Innovative Minds
- Games in the catalogue
- 1
- Country
- United Kingdom
Interactive Technology
- Games in the catalogue
- 2
- Country
- United Kingdom
Interceptor Micros
- Founded
- 1983
- Games in the catalogue
- 2
Introversion Software
- Based in
- Walton-on-Thames
- Founded
- 2001
Invincibles Studio
- Founded
- 2004
- Games in the catalogue
- 1
IWare Designs
- Based in
- Norwich
- Founded
- 24 September 2010