Australian manufacturer Circuitwise Group buys NZ electronics company ASL

Circuitwise Group manufacturers electronic devices for mining, aerospace, and medical sectors. (Image: Supplied/Facebook)

John Anthony

Fri, 18 Jul 2025

Australian firm Circuitwise Group has acquired Christchurch-based electronics manufacturing company Assembly Specialists Limited for an undisclosed amount.Circuitwise is an electronics manufacturer specialising in devices across the mining, aerospace, and medical sectors.Backed by private equity firm Quadrant, the company was founded in 1987 as Tresmine by Roz and Greg Ross and rebranded in 2014.Since 2019, siblings Serena and Sean Ross have led day-to-day operations, succeeding their parents.Circuitwise chief executive Serena Ross says the mov...

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