Howard Bargroff was the dubbing mixer credited on the following Doctor Who stories:
- Arachnids in the UK
- The Battle of Ranskoor Av Kolos
- Can You Hear Me?
- Demons of the Punjab
- Eve of the Daleks
- Fugitive of the Judoon
- The Ghost Monument
- The Halloween Apocalypse
- It Takes You Away
- Kerblam!
- Legend of the Sea Devils
- Nikola Tesla's Night of Terror
- Once, Upon Time
- Orphan 55
- The Power of the Doctor
- Praxeus
- Resolution
- Revolution of the Daleks
- Rosa
- Spyfall
- Survivors of the Flux
- The Timeless Children
- The Tsuranga Conundrum
- The Vanquishers
- Village of the Angels
- War of the Sontarans
- The Witchfinders
- The Woman Who Fell to Earth
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.