Mastering by New Ground Audio

Mastering by New Ground Audio

Stereo, Stem and Dolby Atmos Mastering in Soho

Working from Studio 4, New Ground Audio provides stereo mastering, stem mastering and Dolby Atmos mastering in the heart of Soho. Founded by Cicely Balston and Oli Morgan, the studio brings together decades of experience across mastering and immersive audio.

Their approach is simple. Put the music first.

Every session is treated as a collaborative process, with time taken to understand the intention behind the record and ensure the final master carries the same energy and emotion as the original mix.

What we do

About New Ground Audio

New Ground Audio is a mastering house built around collaboration, openness and care for the music.


Co-founded by Cicely Balston, a two time MPG Mastering Engineer of the Year, and Oli Morgan, a GRAMMY nominated mastering engineer and immersive mixer, the studio brings world class mastering expertise to Dean St.


Cicely’s work includes mastering and remastering David Bowie’s back catalogue from the original tapes, as well as records by Witch Fever, Palace and David Gray. Oli’s credits include The Beatles’ Now and Then, The Cure’s Songs of a Lost World, and projects for Paul McCartney, Queen and Sam Smith.


Together they have created a mastering house that puts art and people first. A place where collaboration leads the process and the final sign off feels like a celebration.

A Mastering Studio Designed for Listening

Studio 4 at Dean St. is a dedicated space for the final stage of the record making process.

Designed for precision listening and creative focus, the room allows artists, producers and labels to hear their music clearly and confidently before release.

Whether attending in person or working remotely, the aim is always the same. To ensure the music translates beautifully across every listening environment.

Mastering services include:

  • Stereo mastering
  • Stem mastering
  • Dolby Atmos mastering
  • Attended and remote sessions
  • Masters for streaming, digital and vinyl release

Ideal for

Mastering sessions by New Ground are trusted by artists, producers and labels across a wide range of genres.

The service is ideal for:

  • Artists finishing a single, EP or album
  • Producers preparing a record for release
  • Labels delivering masters for streaming and vinyl
  • Projects requiring stem or immersive mastering
  • Artists looking for a collaborative final stage to the process

Mastering in the Heart of Soho

Dean St. Studios is located in the centre of Soho, one of London’s most creative neighbourhoods.

For decades the building has welcomed musicians, producers and engineers from around the world. Today it remains a place where artists can focus on finishing their work in a calm and supportive environment.

With New Ground Audio now based in Studio 4, artists can complete the final stage of their record in the same creative community where it was made.

Contact Us

Book a Mastering Session

If you are preparing a release and would like to discuss mastering at Dean St., our team would be happy to help.