Australian Marriage Equality has come clean and admitted it has set up a separate organisation headed up by the son of Canberra Airport owner Terry Snow to spearhead the "yes" campaign in the event of a plebiscite on same-sex marriage.

Last week Crikey reported that the peak organisation advocating for marriage equality was preparing for a plebiscite by rallying unions, small businesses, Country Women's Associations and other pro-equality groups. But the group denied the Snow family's involvement has caused a shift in direction against a free vote towards a plebiscite.