Since his admission he has practiced entirely in criminal defence and is a driven and effective criminal lawyer who prides himself on being a strong advocate. He regularly appears in the Supreme, District and Magistrates Courts throughout Queensland and has appeared in investigative hearings before the Crime and Corruption Commission.

Ngarangi is aware of the life-changing consequences of being charged with a criminal offence and will not back down from a challenge. While he is experienced in all areas of criminal law, he has a particular passion for drug matters and offences of violence.