40+ years
of operation in the Pilbara region
30+ years
of individual experience among key staff
100+ years
of combined experience across the team

Built on Values, Driven by Excellence
Community
We actively support and collaborate with local businesses, Indigenous groups, and communities to foster sustainable growth.
Innovation
We embrace cutting-edge technology and continuously refine our processes to deliver superior project outcomes.
Quality
We uphold the highest industry standards by employing experienced professionals and using top-tier equipment.
Safety
We prioritize a secure and efficient work environment by adhering to strict health, safety, and environmental regulations.
We have the Power to make
Positive and Sustainable decisions
Today for the benefit of our future together Tomorrow because, while we cannot change the past, Today is the first day of the rest of our lives.
A Proud Indigenous-Led Business
Guma Wagagu Australia (GWA) is a proud Pilbara Aboriginal business, deeply rooted in the region for over four generations. As a Ngarluma-endorsed Pilbara Aboriginal business embedded on Ngarluma land, GWA is led by Harry Mowarin, aligning its operations with community values and cultural respect. GWA consistently delivers innovative, high-quality solutions across the electrical renewables, construction disciplines, and civil engineering sectors, while driving positive change and sustainable growth throughout the globe.
Let's Build A More Equitable and Inclusive Workforce


Core Capabilities & Services
GWA delivers innovative, high-quality electrical renewables, civil engineering, construction disciplines, and maintenance solutions across multiple industries, empowering Traditional Owners and fostering sustainable growth through collaboration and cutting-edge technology.
Indigenous Leadership
Led by Ngarluma Elder Harry Mowarin, ensuring cultural alignment, community engagement, and lasting positive impact.
Expertise Across Disciplines
From solar energy systems to complex civil and mechanical engineering projects, delivering innovation, quality, and reliability.
Commitment to Sustainability
We lead the way in renewable energy solutions, including electrical vehicles, EV charging infrastructure, off-grid microgrids, and large-scale solar farms.
Proven Track Record
Successful delivery of the Pitcairn Island microgrid, designed and developed in-house, serving one of the most remote islands on the planet.
Building a Sustainable Future for the Weymul Community
Through Project Future, GWA is transforming the Weymul Aboriginal community. This project includes the installation of a solar micro-grid, clean water systems, and economic initiatives like native seed trials. Our goal is to create long-term sustainability and self-determination for indigenous communities.
Key Features of Project Future:
- Solar Micro-Grid with 90% renewable efficiency
- Water treatment plant for safe drinking water
- Seed trial site for native plant rehabilitation

What It Means to Support GWA
Supporting (GWA) is more than just an investment in a business—it’s a powerful commitment to creating lasting, transformative change for Indigenous communities.
When you choose to support GWA, you’re directly fuelling groundbreaking initiatives like Project Future, which is revitalising the Weymul Aboriginal community with essential infrastructure, sustainable energy, and economic opportunities.
Your partnership with GWA doesn’t just drive corporate success; it amplifies the impact on the ground, ensuring that the Traditional Custodians of the Land benefit from every milestone we achieve together. As GWA continues to grow, so too will our collective ability to create revolutionary pathways for Traditional Owners, turning dreams into realities for communities that have long been underserved.
Together, we can forge a future where cultural heritage and modern innovation walk hand in hand, building a brighter, more prosperous tomorrow for all. Let’s make history—one partnership, one project, one success story at a time.

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Our Partners







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What Our Clients Say


Let’s Work Together
Contact Information
Email: wayiba@gwa.com.au
Physical Address: 2501 Coolawanyah Road, Karratha Industrial Estate 6714
Business Hours: Mon-Friday 0600-1800