Mainstream Publishing is a publishing company in Edinburgh, Scotland, founded in 1978. It is associated with the Random House Group, who bought Mainstream in 2005.
^ abjoint venture with Amperwelle Studio München Programmanbietergesellschaft, Axel Springer AG, Burda, Studio Gong, m.b.t. Mediengesellschaft der bayerischen Tageszeitungen für Kabelkommunikation, Medienpool and Radio Bavaria Rundfunkprogrammgesellschaft.
^joint venture with Verlagsgesellschaft Madsack, Studio Gong Niedersachsen and Brune-Rieck-Beteiligungs.
^joint venture with Axel Springer, Heinrich Bauer Verlag, Lühmanndruck Harburger Zeitungsgesellschaft and Morgenpost Verlag.