Solaris Books, founded in Spring 2007 as an imprint of BL Publishing, focussing on original works of science fiction and fantasy, was acquired in September 2009 by Rebellion Developments for an undisclosed sum.
Also associated with BL Publishing:
Warp Artefacts - This used to be the imprint of BL Publishing that marketed official artefacts from the worlds of Warhammer and Warhammer 40,000; including art prints, clothing and life sized replicas of Warhammer items. Early 2006 they were brought closer to Black Library under the banner of BL Merchandise.
Sabertooth Games - was responsible for Collectable Games, including a number of different Collectible card games and Collectible miniatures games. Sabertooth and BLP were both parts of what was known organisationally inside GW as the Entertainment & Media Division (EMD). Sabertooth handled hobby sales of BLP titles in the US and Canada, and vice versa was true in Europe through BLP. It was disbanded in 2008.