Circuitwise is a contract electronics manufacturer specialising in complex electronics devices. The products we manufacture are typically used in industries where safety and reliability is critical, such as mining, aerospace and the MedTech industry. 

Formerly Tresmine Pty Ltd, the company was established in 1987 by Roz and Greg Ross and renamed in 2014. 

Circuitwise is now run by siblings Serena Ross and Sean Ross, who took over day-to-day operational management from their parents in 2019.