BHIVA affiliated:
Children's HIV Association (CHIVA)
http://www.chiva.org.uk/

HIV Pharmacy Association (HIVPA)
http://www.hivpa.org/

National HIV Nurses Association (NHIVNA)
http://www.nhivna.org/

National:
British Association for Sexual Health and HIV (BASHH)
http://www.bashh.org/

British Infection Society (BIS)
http://www.britishinfectionsociety.org/

Royal College of Physicians (RCP)
http://www.rcplondon.ac.uk/

Institute of Fundraising
http://www.institute-of-fundraising.org.uk/

International:
European AIDS Clinical Society (EACS)
http://www.europeanaidsclinicalsociety.org/

International AIDS Society (IAS)
http://www.iasociety.org/