Saidera Mastering is a Tokyo-based mastering studio founded in 1996 by Seigen Ono. Over the years, Ono has worked on a wide range of projects with renowned artists such as Ryuichi Sakamoto, Sadao Watanabe, Bill Frisell, John Zorn, Miles Davis, King Crimson, The Manhattan Transfer, and David Sylvian, among many others.

The team at Saidera Mastering is made up of engineers with diverse and accomplished backgrounds. Tomomi Nemoto has mastered numerous soundtracks, including Made in Abyss and Metal Gear Solid. Kuniyuki Takahashi is an internationally active house music producer. Tatsushi Kimura, known as the programmer of Dip In The Pool, has received renewed attention following reissues from Music From Memory. And in 2024, vinyl cutting engineer Rei Taguchi joined the team as a mastering engineer.