Company Founder Members
Blackheath Halls Opera
British Youth Opera
Britten Pears Arts
Buxton International Festival
Charles Court Opera
Chelsea Opera Group
Cooper Hall
Early Opera Company
English National Opera
Garsington
Glyndebourne
Green Opera
Groves Artists
Hampstead Garden Opera
International Gilbert and Sullivan Festival
Into Opera
James Black Management
La Serenissima
Les Azuriales Opera
Longborough Festival Opera
Loesje Sanders
Mahogany Opera
Music Theatre Wales
National Opera Studio
Nevill Holt Opera
New Sussex Opera
NI Opera
Opera Anywhere Ltd
Opera Holland Park
Opera North
Opera Rara
Opera Up Close
Oyster Opera
Pegasus Opera
Rogue Opera
Rose Opera
Royal Opera House
Scottish Opera
SWAP’ra
The Grange Festival
The Music Troupe
The Opera Story
VocalEyes
Virtual Opera Project
Waterperry Opera Festival
Welsh National Opera
Wexford Festival Opera