ATG Entertainment[6] formerly The Ambassador Theatre Group (ATG), is a major international live entertainment organisation headquartered in the United Kingdom, with offices in Woking (head office), London, New York, Sydney, Mannheim and Cologne. ATG's key operations comprise three inter-related activities: venue ownership and management, ticketing and marketing operations, and show productions.[7]
ATG runs more than 64 venues in Britain, the US and Germany. The company is among the most prolific theatre producers in the world with co-productions in the UK, New York, across North America, Europe, Asia and Australia.[8] It is involved in event ticketing services through ATG Tickets, LOVEtheatre and Group Line.
The company was founded and run by the husband-and-wife team of Sir Howard Panter and Dame Rosemary Squire OBE, who topped The Stage 100 list of prominent UK theatre personalities from 2010 to 2016.[9]