Who is Guma Wagagu Australia
Guma Wagagu Australia (GWA) is a Ngarluma-endorsed Pilbara Aboriginal business delivering Tier 1 building maintenance, construction, electrical, labour hire, grid connect solar, off-grid solar, plant and equipment hire in complex and remote environments.
We prioritise quality and service and focus on adding value to our customers, employees, suppliers and communities
Our Story
Guma Wagagu Australia was founded by Ngarluma Elder Marshall Harry Mowarin, born in Roebourne and raised on the Weymul community near Karratha. Built through partnership, hard work, and accountability.
GWA was established to create lasting outcomes for clients, employees, suppliers, and community alike. Grounded in Country and guided by long-term thinking.
GWA combines cultural leadership with world class execution—proving that strong relationships, commercial rigour, and shared success deliver better projects and enduring trust.

Our Values
Leadership Team
GWA is led by an experienced senior leadership team supported by trusted coaches and advisors. We don’t shoot from the hip. We plan carefully, think strategically, and execute with clear direction, clarity and alignment. This disciplined approach ensures decisions are considered, risks are managed, and our teams, partners, and projects move forward with confidence and purpose.