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.

Cary Ellison was a talent spotter who worked for Spotlight. As part of his work from 1953-1980 he went on twice yearly tours around repertory performances across the UK to locate the up and coming performers, directors and plays. The Cary Ellison Theatre Programme Collection consists of the theatre programmes collected by Cary Ellison on these trips, complete with his added notes on the actors, plays and directors he saw. He commented on a number of well known actors in the early stages of their careers, as well as offering his view on several well known plays.