Mixing and Mastering for the New Generation of DIY Artists.

Hi, I'm Ryan Sullivan and I treat your music as it should be treated, like art.

Now in London

Trusted by...

small selection of music mixing and mastering clients


The methods that got you to where you are in your music career today are not the same methods that will take you to where you want to be tomorrow. To achieve greatness, you need to take great leaps forward. I love working with artists who maintain the integrity of their music, and my mixing and mastering achieves big and powerful results on huge stages, sound systems, and radio stations. You just need to do the best recording that you can and I'll step in to take you to the next level.

Most artists hire a mixing-mastering engineer because they are 'the best fit’ for that genre. I am different. If you’re an electronic music artist, perhaps you make house or techno, maybe we go for more warmth and realness instead of the boring, sterile, ‘industry standard’ sound. If you’re an indie rock band, I may approach the mix with the mindset of an electronic mixer - big and bold while maintaining trippy musical hypnotism. I just want to cure your insanity…

Insanity is doing the same thing over and over and expecting different results, which is what most other artists are doing.

Making your music sound outstanding is just the beginning. I understand that there’s a plethora of mixing and mastering engineers out there and you have a lot of options to choose from. So, if there’s any doubt that I am the best mix and mastering engineer for you, let’s put that to rest…

In addition to mixing and mastering, I use my extensive experience in the music industry, with the best artists, labels, and brands, to help guide you through the process of releasing your music correctly and with impact, building hype, and growing a huge fanbase.


Music Is The Answer was licensed to Red Bull, gained +500k YouTube views and Black Coffee has since collaborated with David Guetta, Usher, Pharrell Williams, Diplo, Agoria, Elderbrook and more.

Compilation ft Black Coffee, Culoe De Song, Âme, Dixon, Hyenah, Rodriguez Jr, Floyd Lavine, Henrik Schwarz, Four Tet, HVOB, Little Dragon, Jazzanova, Coldcut, Charles Webster, Shimza, Florian Kruse, Dirty Doering & loads more.

+2 million streams on Spotify alone. Opposite The Other has since collaborated with Above & Beyond and Seven Lions and tours internationally.

Ryan has been an absolute pleasure to work with. He’s brought my songs to another level. I was previously working with another company for mixing and mastering for my album but was not happy with the result. After a phone call with Ryan I decided to work with him instead and the improvement is marked he has helped bring my tracks to life and his professionalism is amazing , he’s always ready to discuss ideas and anything to do with music . I would give more than 5 stars if I could!

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Music Producer / Rapper - London, UK

Matt Prehn Oh So Coy - Mixing & Mastering

"Ryan has been great to work with, extremely professional, knowledgable and always ready to lend a hand. Always a pleasure in dealings and highly recommended."

Matt Prehn,

DJ / Producer / Label Manager  (Oh So Coy / Rogue Decibels) - London, UK

Been working with Ryan at Refine for over 10 years. He has always offered me a world class service with my mixing and mastering. Often going far beyond what's required and very often up against some very demanding deadlines. He's an absolute perfectionist and its ultimately exactly what you need when handling those very crucial steps in your audio. Highly recommend and thus its five stars from me.

Ivan Turanjanin,

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Red Bull / CTEMF - Cape Town, SA


Ryan Sullivan - Refine Audio Mixing & Mastering Engineer

I am Ryan Sullivan and my music experience includes working with some of the biggest artists, labels, and brands in the world. Many are hugely famous and then some are just beginning their rise to the top. Most recently, Red Bull Studios hired me as their head sound engineer for 7 years.

Professional mixing and mastering are my technical specialties and I am passionate about levelling-up your music career, moving you up to the next level through powerful production, release strategies and marketing methods. I am fortunate and grateful to have seen many, many projects through to success.

I trained under legendary sound engineers Chris Palmer and Jasper Williams in the late 1990s and early 2000s and have since held high positions and consulted at various world-class studio facilities, brands, and record labels. My work as a music producer, touring artist, label manager and music marketing consultant has had me lecture and consult for various agencies on sound engineering, audio technology, acoustics and marketing strategies for brands such as Ableton, Akai, Roland, Capitec Bank, CTEMF, JOOX, Modular Night ClubPioneer DJ, Red Bull, SAE Institute, Technics DJ Mix Club, Universal Music, V-Moda and more.

All of that work revolves around the artist and working with artists is my pleasure. I am grateful to work with people who inspire me, working together to make your music releases world-class.