The Society of London Theatre (previously The Society of West End Theatre) is an umbrella organisation for West End theatre in London. Founded in 1908, the Society of London Theatre (SOLT), is the not-for-profit organisation which provides a collective voice for the theatre owners, producers and managers of all the major commercial and grant-aided theatres across London. As well as protecting the interests of all its member theatres, SOLT promotes theatregoing through activities including the Olivier Awards with MasterCard, the TKTS ticket booth, the Official London Theatre website and its printed fortnightly listings guide, Theatre Tokens and the popular annual celebration West End LIVE in association with MasterCard. It also administers the audience development initiatives Kids Week and Get Into London Theatre, and supports a number of theatrical charities including Stage One and Mousetrap Theatre Projects.