Sigma Aerospace

Sigma Aerospace Group is Australia's only fully integrated aircraft maintenance, workforce and engineer training provider, bringing together commercial aircraft maintenance, engine overhaul, component overhaul and parts, aviation workforce solutions, and aircraft engineer training under one operating model. The company operates as a provider of choice for Australian aircraft line maintenance, incorporating Suncoast Aero Engines to operate the Southern Hemisphere's largest piston and propeller overhaul and repair service. Sigma Aerospace delivers best-in-class tailored solutions for aircraft operators by connecting aircraft, people and training to enable seamless integration across maintenance, workforce and training functions.

Sigma Aerospace specialises across multiple core aviation sectors. The MRO division provides commercial line support, general aviation maintenance, piston engine overhaul, propeller repair and overhaul, component repair, avionics support, instrument calibration, engine exchange and parts support, with a line maintenance base in Adelaide supporting Bombardier Dash-8 Q400 aircraft. The workforce division offers direct recruitment, contingent labour and outsourced HR solutions for airlines, MROs and defence operators, with engineer-led recruitment, pre-vetted candidates, onboarding, payroll, compliance and visa support including 482 visa sponsorship capability. Sigma Aerospace College covers aircraft engineer training, apprenticeships, Certificate IV and Diploma pathways, CASR Part 66 licensing, exclusion removals, type training, requalification and international licence conversions.

Operating from Adelaide, Sigma Aerospace serves airlines, regional operators, general aviation businesses and defence organisations across Australia. The company's integrated structure is designed to address aircraft downtime, engineer shortages and licence bottlenecks through a unified engineering solution that reduces friction between maintenance, workforce and training. Clients choose Sigma Aerospace for its comprehensive capability spanning from line maintenance to firewall-forward overhaul, its engineer-led recruitment approach positioning engineers as a faster route to hiring managers, and its training model designed to build maintenance-ready engineers with a cleaner path through training, licensing and employment.