Need NDIS behaviour therapy in Tarneit? HHBS is a registered NDIS provider delivering positive behaviour support that starts with understanding the person and what their behaviour is communicating. We support children, teens and adults with autism, ADHD, developmental delay and intellectual disability, working alongside families and support teams. We support clients in Tarneit and surrounding areas including Hoppers Crossing, Truganina, Wyndham Vale and Point Cook.