Howard Bargroff was the dubbing mixer credited on the following Doctor Who stories:
- The Woman Who Fell to Earth
- The Ghost Monument
- Rosa
- Arachnids in the UK
- The Tsuranga Conundrum
- Demons of the Punjab
- Kerblam!
- The Witchfinders
- It Takes You Away
- The Battle of Ranskoor Av Kolos
- Resolution
- Spyfall
- Orphan 55
- Nikola Tesla's Night of Terror
- Fugitive of the Judoon
- Praxeus
- Can You Hear Me?
- The Timeless Children
- Revolution of the Daleks
- The Halloween Apocalypse
- War of the Sontarans
- Once, Upon Time
- Village of the Angels
- Survivors of the Flux
- The Vanquishers
- Eve of the Daleks
- Legend of the Sea Devils
- The Power of the Doctor
Bargroff also founded his own post-production sound company, Sonorous Post, which provided the music and sound design for It's Almost Time and Meet the Thirteenth Doctor.
They had previously worked with Chris Chibnall on Broadchurch.
Bargroff himself has won many awards for his work on Sherlock, The Night Manager and Fortitude.