Sydney Theatre Company produces theatre of the highest standard that consistently illuminates, entertains and challenges. It is committed to the engagement between the imagination of its artists and its audiences, to the development of the artform of theatre and to excellence in all its endeavours.

Sydney Theatre Company has been a major force in Australian drama since its establishment in 1978. The company presents an annual twelve-play program at its home base The Wharf, on Sydney's harbour at Walsh Bay, the nearby Sydney Theatre, which STC also manages, and as the resident theatre company of the Sydney Opera House. Current Artistic Directors, Cate Blanchett and Andrew Upton joined the Company at the beginning of 2008.

Sydney Theatre Company offers Sydney audiences an eclectic program of Australian plays, lively interpretations of the classic repertoire and the best of new international writing. As the state theatre company of NSW, it also produces a significant education program for schools and in its studio space produces work devised by, and for, developing artists, originating in 1987 with Baz Lurhmann's Six Years Old and, in its current identity, as Wharf 2Loud. The Company reaches beyond its home state, touring productions throughout Australia. It plays annually to audiences in excess of 300,000.

STC actively fosters relationships and collaborations with international artists and companies. Renowned directors Michael Blakemore, Max Stafford-Clark, Howard Davies, Declan Donnellan and Philip Seymour Hoffman have worked with STC in recent years, and the company has presented productions by Complicite, Cheek by Jowl, Out-of-Joint and the National Theatre of Great Britain. In 2001 STC performed at the Brooklyn Academy of Music in New York with its production of The White Devil and returned in 2006 with its production of Hedda Gabler. In 2002 the STC production of The Cherry Pickers enjoyed an extensive tour of the UK which included seasons at the Cultureshock Festival in Manchester and at the prestigious Brighton and Salisbury Festivals.

STC has launched and fostered the theatre careers of many of Australia's internationally renowned artists including Mel Gibson, Judy Davis, Hugo Weaving, Miranda Otto, Geoffrey Rush, Toni Collette, Rose Byrne and Cate Blanchett.

In 2006 STC launched its first acting ensemble, The Actors Company, which thus far has performed classic works by Brecht, Moliere, von Horvath and Shakespeare as well as Stephen Jeffreys’ The Art of War, director Benedict Andrew’s production of The Season at Sarsaparilla by Patrick White and the acclaimed and multi-award winning The Lost Echo – based on Ovid's Metamorphoses – by Barrie Kosky and Tom Wright.