The collection consists of member lists and registers; correspondence, notes and publications relating to the building of the new theatre; financial papers relating to loans; financial papers concerning various productions; legal papers relating to the lease of land; applications to the Arts Council of Great Britain and the Greater London Council for funding, including annual reports and accounts; papers and publicity material relating to productions; scripts; programmes and posters for plays; material concerned with the Women's festival of June 1986; publications about fringe theatres and the East End of London; photographs of productions and cast; press cuttings.

The collection consists of minutes of management meetings, 1974 - 1994; membership lists; internal correspondence; external correspondence concerning the reactions of the public to the productions; correspondence regarding funding; copies of scripts written by members of the company and outside authors; audition notes and CVs; correspondence and accounts relating to tour arrangements; tour reports; posters and programmes for productions; photographs, video cassettes and loose film reel of productions; promotional material; newspaper cuttings relating to specific productions and Gay Sweatshop in general; theses based on Gay theatre.