voice, sound & post for story-driven productions

Who We Are

We cater specifically to the needs of games, animation and film clients, offering a complete, end-to-end service delivered by a small, senior team trusted on high-profile, narrative-driven projects.

“Bigmouth Audio is a dream partner: Collaborative, reliable, relentlessly positive. Most Importantly to us, they are creatively ambitious - will go above and beyond to deliver a fantastic product ”

Andrew Pearce, Axis Studios

Projects

Bigmouth is world renowned for its voice-production & audio post services, and our client list includes some of the best storytellers working across games, animation and film.

Services

We provide end-to-end audio services for film, television, games and animation - from casting & voice production to dialogue editorial, sound design and final mix - helping storytellers bring characters and worlds to life.

  • Bigmouth provides the leading voice casting service for games and animation in the UK. Our in house casting team look further - with studios in London and Glasgow we take advantage of the UK’s full talent pool bringing more variety and fresh voices to our client’s projects.

  • We make sure your characters sound exactly as you imagined. Our voice directors work closely with actors to deliver consistent, high-quality performances that fit your story, save you studio time, and keep your project on track.

  • ADR can be tricky, but we make it simple. Our studios and engineers deliver reliable, seamless ADR and voice-over recording—clean, consistent, and perfectly synced every time.on

  • Whether it’s thousands of lines for a game or dialogue for film, our editors ensure every take is clean, consistent, and ready for mix. We handle the detail work - sync, polish, and quality control - so your story comes through loud and clear.

  • We create sound that elevates film, TV, and trailers. From subtle atmospheres to bold, cinematic moments, our team shapes every detail to heighten emotion, clarity, and impact, ensuring your story connects with audiences.

  • We mix for impact across every format, from TV to cinema to streaming. Our engineers balance clarity, depth, and power in 5.1 and Dolby Atmos, making sure your audience experiences the full emotion of your story wherever they hear it.

  • We help production companies unlock targeted funding - like Scotland’s Project Post Fund (PGF Project Post) - to bring post-production and VFX work to Scotland, easing your budget while accessing top-tier facilities and talent. Through our guidance, you can benefit from grants covering £5,000–£100,000 toward work done locally, reduce financial risk, and enhance your project's value and credibility.