GMHS provides STI clinical, outreach and counselling services for gay and bisexual men, and men who have sex with men.
GMHS along with Gay Health Network provides sexual health promotion, education and advice on the prevention HIV, Syphilis, Hepatitis and other sexually transmitted infections, STIs. Information in 9 languages at www.ghn.ie

GMHS also provides Training, Research and organises the annual Gay Health Fora in partnership with other groups and agencies acts as a Reference centre in relation to gay health issues and other LGBT issues.

STI Clinical Services are based at Baggot St Hospital, Baggot Street, Dublin 4. MAP:

Counselling and outreach services are at Outhouse Community Centre, 105 Capel Street, Dublin 1. MAP