Masterdisk is an audio mastering and multimedia company in New York City, located on West 45th Street in Manhattan. They provide production services such as audio mastering, vinyl cutting and enhanced CD and DVD production.
Their clients include such notable acts as Accept, Sting, Jay-Z, Kanye West, Spoon, Nirvana, Lou Reed, David Bowie, U2, Gorillaz, John Zorn, DMX, The Rolling Stones, Steely Dan, Bob Dylan and the Beatles.
Masterdisk was founded in 1973 as a spin-off of the recording, editing and mastering arm of Mercury Records. Among the company's early mastering engineers were Gilbert Kong, who worked on early 1970s albums by such artists as Rod Stewart and Bachman–Turner Overdrive, and who also mastered singles including "Ain't Understanding Mellow" by Jerry Butler and Brenda Lee Eager, and "The Night Chicago Died" by Paper Lace; and Phil Austin, who mastered most of the singles including Stewart's "Maggie May" and "You Wear It Well," "Beautiful Sunday" by Daniel Boone, "I Love" by Tom T. Hall, "How Do You Do" by Mouth & MacNeal, and "I Gotcha" by Joe Tex.