KW-Mastering is one of Finland's most popular mastering studios. Service is fast and transparent. Price for mastering is fair and you get a full satisfaction quarantee!

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Do you want your song to sound clear, modern and current? Send your files to us and we take care of the rest and make your song sound radio ready and up to modern day standards. Please contact us for best way to send your files over.

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Our microphone selection is impressive! If your'e a rap artist or a singer or want to create your own song from start to finnish, we are here to help! Find out more from the link below.

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Music studio

We record, mix and master all genres of music. We also help you to produce and take your song from start to finnish.

Our gear is hi-end, which results in a rich and warm tone. KW mastering is located in Espoo. We also make audio for TV and radio commercials.

For a demanding client who wants only the best!
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recording studio

What clients say

Below is few comments from our clients

  • -Great mastering! Very clean and sophisticated sound. The service was also great!!!
  • -Harhatuli band is thankful for a very good quality and fast mastering service! We will definitely use your services again in the future!
  • -Top notch service. Very co-operative. Great sounding end result!
  • -They did an excellent job! The service was fast and pleasant! I now fully understand why artists should not master their songs by themselves!
  • -A very dynamic and fine mastering job! A special thanks for great 24/7 customer service.

Ask for an offer
or make an inquary.

phone: 040-5022 867

E-mail: kim(at)

Kuurintorpantie 1 J, 02750, Espoo, FINLAND