GambLGBTQ+ is a study aimed at understanding gambling in LGBTQ+ communities in Great Britain. It is a collaboration between researchers at the University of Brighton, LGBT Switchboard Brighton and Hove, and YouGov. It is funded by GambleAware. The study involves a large national survey and multiple qualitative methods such as interviews, online diaries and photovoice. Using multiple research methods we seek to develop the first extensive evidence-base of gambling and the associated harms for those who are part of LGBTQ+ communities in Great Britain.