Britannia Game Designs Ltd. is the United Kingdoms company that currently publishes Chivalry and Sorcery. It was originally founded to produce supplement for the venerable Chivalry and Sorcery RPG. At that time it was in its third edition and published by Highlander Games. Brittannia bought out the rights and published the 4th, Rebirth, edition.

It is managed by Steve Turner, who also organises the annual Dudley Bug Ball role-playing convention in Dudley.

He has been known to use the benefit of his location to research medieval England and France.