Glenn Martin Rogers

Allen & Heath Ltd. manufactures audio mixing equipment. It offers digital mixers, mixing desks, matrix mixers with audio management tools, cables, connectors and power supplies. The firm serves customers in various environments, including touring, theatres, houses of worship, nightclubs, TV, radio stations and recording studios. The company was founded in 1969 and is headquartered Penryn, the United Kingdom.

Audiotonix Ltd. engages in the design and manufacture of audio mixing consoles. It offers products under the brands of Allen & Heath, Calrec, DiGiCo, DiGiGrid, Group One, KLANG:technologies, and Solid State Logic. The company was founded on June 13, 2014 and is headquartered in Chessington, the United Kingdom.