Reliance MediaWorks Limited is India's fastest growing film and entertainment services company and a member of the Reliance Anil Dhirubhai Ambani Group.
Reliance MediaWorks operates BIG Cinemas, India's largest cinema chain with over 550 screens spread across India, the United States, Malaysia, Nepal and Netherlands.

Reliance MediaWorks currently has a dominant and comprehensive presence in Film Services: Motion Picture Processing and DI; Film Restoration and Image Enhancement; 3D; Digital Mastering: Studios and Equipment rentals; Visual Effects; Animation; TVC Post Production with presence across India, USA, UK, Russia and Japan.

Reliance MediaWorks' television venture, BIG Synergy, is among the top players in the television programming industry.