Get your music ready for release with professional online mastering services. Whether it’s a single or a full album, we work with you every step to make sure your track sounds powerful, polished, and competitive. Unlike AI mastering, every project is handled by a real engineer who combines analog hardware with cutting-edge plugins to deliver warmth, clarity, and loudness that meet industry standards. Your songs will be ready for Spotify, Apple Music, and beyond — sounding exactly how you imagined.
Online mastering is the final step that transforms your mix into a release-ready track. It goes beyond EQ, compression, and loudness — it’s about creating balance, depth, and polish so your music connects with listeners on every platform.
At the helm is mastering engineer Matty Harris, whose experience with major artists and independent musicians ensures your music is treated with the same care as top-charting records. Matty works with you directly to refine your unique sound and make sure your tracks stand out worldwide.
Our mastering suite blends the best of both worlds: the warmth of analog hardware from Bettermaker and Avalon, combined with the precision of cutting-edge digital tools. The result is a master that’s loud, clear, and ready for Spotify, Apple Music, and beyond.
Every project has unique needs, and we offer tailored mastering packages to match. Whether you need Stereo Mastering, Stem Mastering, Vinyl Mastering, or an Apple Digital Master, we’ve got you covered. Reach out today to discuss your project and take advantage of exclusive album discounts on our online mastering services.
Our most popular online mastering service. Stereo mastering gives your track the final polish it needs to sound professional and competitive. We’ll enhance clarity, balance, and loudness so your music translates perfectly on Spotify, Apple Music, radio, and every playback system.
Stem Mastering
Stem Mastering offers more control by working with grouped tracks such as drums, bass, vocals, and instruments. This allows us to fine-tune details — like tightening the low end or bringing vocals forward — while still delivering a cohesive, professional master. It’s the ideal option if you want extra precision and flexibility.
Apple Digital Masters
As an Apple Certified Mastering Studio, we deliver Apple Digital Masters that meet the highest standards for release on Apple Music. Your music will be prepared to Apple’s exact specifications, ensuring pristine sound quality and optimal streaming performance. Perfect for artists who want the best possible presentation on Apple platforms.
Vinyl Mastering
Vinyl requires a special touch. Our vinyl mastering service ensures your songs are prepared for the unique demands of vinyl pressings. We’ll optimize your tracks for warmth, depth, and dynamic impact, so your record not only sounds great but feels timeless on turntables everywhere.
I’m Portuguese so my album was composed and written in Portuguese. I was expecting some issues regarding that but Matty dealt with it like if he was working with English written material. Amazing sound! The orchestration was complex but I can hear every single detail on each song. Amazing mixing, better mastering! And Matty is a fantastic guy with a lot of patience to endure all my requests!!! I can’t recommend enough!!!
The first step is to pick if you want to do a stereo master or a stem master. Next, you pick any extras you might need and make the purchase. Once you make a purchase, you will be directed to an upload page.
Upload Files
I ask that you send the files at the same bit depth and sample rate that the song was mixed at, preferably in a WAV file format. Also, if you had a limiter on your mix, please send me a version with the limiter and one without it. If you can send a picture of the limiter you used that would be fantastic!
Get Your Master
You will typically receive your master’s within 2-3 business days. Once you listen, you can let us know if you need any adjustments. All masters come with 3 revisions, but 95% usually only need one at the most.
Need Mixing AND Mastering services? Try this page.
Hello, I'm Matty Harris, and I've been professionally mixing and mastering music for over 20 years.
Throughout my career, I've had the privilege of working with many major labels and contributing to numerous #1 records. Some of the artists I've worked with include Kelly Clarkson, Travis Barker, and Sammy Adams.
My extensive experience in the industry has equipped me with the skills and knowledge to help musicians elevate their sound to a professional level. Whether you're a seasoned artist or just starting out, I can provide you with the techniques and insights you need to overcome any challenges in your mixing and mastering journey.
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Stereo Mastering
Stereo Mastering
Stem Mastering
