Commercial & Community Construction

We deliver safe, high-quality construction projects for government, councils, and private investors across Queensland. From commercial buildings to community facilities, our work is backed by decades of experience and a proven record of delivering projects on time and on budget. As a 100% First Nations–owned, Supply Nation–registered company, we also help clients meet Indigenous procurement targets while providing strong, practical outcomes.

Refurbishments & Maintenance

We provide reliable refurbishments, fit-outs, and ongoing maintenance for facilities of all sizes, from schools and aged care centres to commercial premises. Our team understands how to work in operational environments, minimising disruption while keeping safety front of mind. Clients trust us for long-term service relationships and our ability to deliver in both metro and remote Queensland locations.

Drone Mapping & Surveying

Through Diamantina Holdings Limited, we offer advanced aerial mapping and surveying services. Using drones equipped with high-accuracy sensors, we capture data that supports planning, infrastructure projects, and land management. Our ability to service remote and hard-to-reach areas gives clients cost-effective insights without the need for large on-ground teams.

Why Choose Us?

Our team understands the unique challenges of delivering projects outside metropolitan areas. With decades of experience, we bring the people, equipment, and know-how to get the job done safely and efficiently across all of Queensland.

Few businesses offer both construction expertise and advanced drone capability under one roof. From building and maintenance to mapping, inspections, and cultural heritage surveys, we provide a complete service package that saves time and delivers better results.

Ready to Start Your Next Project?

Whether you need reliable construction in South Queensland, community facilities in regional towns, or drone mapping in remote parts of the state, Diamantina has the experience to deliver. With offices in Toowoomba and Cunnamulla we’re proud to work across Queensland to help government, councils, utilities, and private clients achieve lasting results.