Greg McIntyre SC commenced practice with the Aboriginal Legal Service of Western Australia in 1976 in Kalgoorlie, having completed his Articles of Clerkship with the Crown Solicitor of Western Australia. The bulk of the first six years of his practice was in criminal law with the ALSWA in Kalgoorlie and Perth and in Cairns with the Aboriginal and Torres Strait Islander Legal Service of Queensland and the Njiku Jowan Legal Service.