In October 2004, Beesley founded a for-profit Wiki hosting service with Jimmy Wales called Wikia. She also sits on the advisory board of the media archive Ourmedia. Since 21 February 2006, she has been a member of the Communications Committee of the Wikimedia Foundation. She is a member of the Foundation's Advisory Board. She contributed a chapter to the book Wikis: Tools for Information Work and Collaboration.
^"Wiki sites proliferate, but can they profit?". International Herald Tribune. Retrieved 6 December 2007. "With financing from technology luminaries like Marc Andreessen and Mitchell Kapor, he and Angela Beesley started Wikia, which includes 1,500 separate wikis, from the Star Wars-focused Wookieepedia to user-generated pages on depression."