Mike Stephenson has worked for 20 years in the WA Construction Industry. His qualification is a B.Sc(Hons) Degree in Construction Management. Mike is a Registered Builder in Western Australia.

Tasha Costigan manages our day to day operations in the office and our accounts and book keeping. Tasha provides support to Project Managers and Supervisors and is in charge of Abacus's Business Development, whcih is essential to our continued growth and improvement.

Peter Botica has worked in the WA construction industry for 20 years and is our concrete specialist, with extensive experience on precast concrete, tilt panels.

Robert Petrilli has returned to Abacus, having previously worked for us for 5 years. He is a qualified Carpenter and Site Supervisor and has 36 years experience in the WA construction industry.