With box office successes including The Lion King and Wicked, ATG is the world’s largest live-theatre group, with 46 venues including London’s Lyceum. Co-founded in 1992 by Sir Howard Panter, 68, and his wife Rosemary Squire, 61, who have since left the business, it was acquired by Providence Equity Partners in 2013 for £350m. Turnover rose 23% last year to £226.4m, helped by the acquisition of a German production and promotion company. In May, chief executive Mark Cornell, 51, announced Harry Potter and the Cursed Child would next year be transferring to ATG’s Lyric Theatre in New York.

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Company details
Year2017
Rank100
CompanyAmbassador Theatre Group
ActivityTheatre operator
LocationWoking, Surrey
Sales £m226.4
Operating profit £m14.1
Main shareholdersProvidence Equity Partners (> 50%), Exponent (18%), management (< 32%)
Staff3,860
Founded1992
Websitewww.atg.co.uk

If applicable:

* supplied by Company   † annualised figure   ‡  profit = ebitda