PRODUCTION COMPANY 1 is based in Salford. They specialise in audio.
Check them out here: LINK TO COMPANY WEBSITE
PRODUCTION COMPANY 2 is based in Manchester. They specialise in audio.
Check them out here: LINK TO COMPANY WEBSITE
PRODUCTION COMPANY 3 is based in Liverpool. They specialise in audio.
Check them out here: LINK TO COMPANY WEBSITE
PRODUCTION COMPANY 4 is based in Manchester. They specialise in audio.
Check them out here: LINK TO COMPANY WEBSITE
Northern Audio Producers Network 