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.

Brian Smith's collection of theatre programmes, compiled over several decades of visiting a range of theatrical productions in London and the surrounding area. The programmes date from 1954 up until the 2000s and as well as covering productions at theatres all over London’s West End there are some from New York, Paris, Sydney and Cape Town. Brian enjoyed a wide range of theatre including plays, musicals and variety shows. There is also a large collection of opera, ballet and concert programmes.