This is Arnhem Land
Gumatj Welcomes You
Gumatj Corporation is leading the transformation of North East Arnhem Land from a single-industry mining region to a diversified, future-focused regional economy.
As traditional owners, asset custodians, and experienced commercial operators, we are engineering a new era of sustainable growth—creating ideal conditions for investment in clean energy, advanced manufacturing, biofuels, space, defence, and other emerging industries.
Partner With Us as We Build the Future of East Arnhem Land
Our Edge - Assets. Integration. Action.
Strategic Land & Infrastructure: 7,000+ hectares of industrial land, deepwater port, airstrip, commercial and residential real estate - ready for transformation.
Integrated Commercial Model: Our diversified businesses operate as an interconnected ecosystem, leveraging shared infrastructure, logistics, and workforce to multiply value and accelerate growth.
Workforce Development: Training pathways produce skilled, job-ready Indigenous and local talent, ensuring a sustainable pipeline for all ventures.
Proven Track Record: From Australia’s first Indigenous-owned mine to pioneering biofuels and space industry readiness, Gumatj delivers results.
Core Capabilities
Deltareef has been a leading construction company in North East Arnhem Land since 1991, delivering new construction and maintenance projects across regional hubs and remote homelands. Its capabilities span end-to-end commercial and residential delivery, including new builds, plumbing, electrical, fabrication, carpentry trades and sawmill operations.
Marngarr supports the wellbeing of Aboriginal people in East Arnhem by delivering essential health, education, housing, and employment services, while prioritising Yolŋu employment, training, and leadership. Its services include landscaping, tenancy management, a mechanic workshop, the Youth Centre, the nutrition program, and the Gopu Store & Nursery.
Gumatj Civil is a provider of civil construction, earthworks, and infrastructure services across Northeast Arnhem Land, supported by a skilled local workforce and deep cultural knowledge. The team also operates the Gunyangara quarry, concrete batching plant, haulage services, and landscaping supply operations.
Opened in December 2017, the Gulkula Mine is the first Indigenous owned and operated Bauxite Mine in the world. Gulkula undertakes all phases of the bauxite mining process from Exploration to Rehabilitation.
Partner With Us.
Invest Where the Future is Being Made