Grey Mastering Avis 

I've worked with a few mastering engineers, and Jack is on a whole other level. His technical ability is top tier and he has a quick response time and turnaround. What really sets him apart from others that I have worked with is that he works with you to ensure your project is as good as can be. Highly recommended!

I had my first track mastered by Jack recently and it was an excellent experience. Turnaround was quick and I'm extremely happy with the result. He was able to amplify my artistic intention and get things sounding exactly how I wanted. Just killer instincts on the engineering.

My sub is sitting nicely with all of the detailed movement notably more articulated. The mid bass and center mid synth components are unified while expanding the soundstage and sense of separation with the other elements. Really, the whole stereo image feels tastefully refined. The high end is no longer prickly or sharp at any points but has all the energy and again, even more sense of detail. Everything feels unified and cohesive. There's an organic and lively character to the balance that doesn't bely any technical control.

Really just class master up and down. Jack is a proper professional. He even offered some mixdown and creative advice at my request that was well appreciated. I will certainly be looking to work with him again in the future and can fully recommend his business.

Grey Mastering is really really good! Guy listens to what you want from the track and does revisions accordingly. And is also a great guy. Would highly recommend him!

I had a tune mastered by Grey Mastering and the experience was great. The turnaround was very quick.
The overall sound was more spacious and he managed to bring out more depth from the individual sounds which I love!
I was given some good mixdown advice as well which is an added bonus so I can work on that and improve my own production skills.

Quick and good quality mastering. Got some useful tips as well. Totally recommend!

Have had quite a few tracks mastered by Jack. His care and attention to detail is unlike most engineers. Every track he works closely to make sure it is 100%.

Grey mastering has handled a couple of my tunes and each time I'm happily surprised. I recently sent him a track to master but I unfortunately didn't mix it down all that well (my mistake). Yet when he sent the master back, it sounded fantastic still. Man is a wizard to say the least 10/10

Grey has mastered couple of my songs and i am looking forward to get more songs mastered by his expertise. i really look forward to work with him because as an indie artist with no record label backing the price and quality that he offers is affordable and top . i would def recommend him to all .

Working with The Greys is always a pleasure. He’s extremely cordial and has an insane turnaround time, as well as listening to exactly what our artists want as for edits and critiques. Thanks so much for being so helpful and easy to work with!

- Jax van Dijk (The Delirium Project)

Top quality mastering and super quick. Got my track sounding polished and sounding ready for any system. Highly recommend Jack’s services for anyone that’s looking for balanced and professional sounding mixing & mastering.

Jack at Grey Mastering was a pleasure to work with, I had some specific tweaks that were challenging to explain but he understood completely and made the adjustments with a speedy turnaround. Will definitely be returning for future masters.

I have known Jack for a long time and his work is exemplary. His mastering work focuses on heavy bass music, which has its mixing challenges. Regardless, Jack makes all the piece fit and everything work seamlessly. A true diamond in the music industry.

Absolute master of his craft, Jack gave my track exactly what it needed aswell as giving me some insight in how I could improve my mix downs. Couldn't ask for more. 10/10.

Jack masters all of my self releases and dubs, he is helpful, responsive, provides clear and useful feedback and always wants to get the best end result for the music. Will continue working with him for sure.

You can tell Jack really cares about his craft. Attention to deal, good communication, quick turnaround time, and most importantly results that are consistently high-quality. I recommend you give him a shot for your next project!

Great work!

Known Jack for many years now and always been very impressed by his professionalism, and the quality of masters whilst also providing clear and concise feedback with mixes etc when necessary! Would highly recommend his services 🍳🥚

I was referred to Jack from friends out in BC, Canada. I love The Greys music & the way he had mastered my friends bass heavy tracks was what I wanted for mine. My music is more vocal and ambient - and he had done an amazing job. Thank you The Greys ! Can't wait to work together again. - Creatura

First time I ever had one of my tracks professionally mastered. The difference Jack’s touch made on it was amazing. Every sound felt like it had more space to breathe and the bottom end sounds much weightier.
Extremely quick turnaround and great communication at a very reasonable price. Highly recommend!

Working with Jack is a pleasure. He is super thorough, with a very quick turn around. He also managed to address some issues I had in the mix. The track came back sounding more balanced and low end sounded good. He even made a point to make it as loud as a previously released track! 10/10 would recommend!