Leading Sydney civil construction company
Whether we’re constructing complex concrete structures, completing large-scale civil works, supplying skilled labour or mobilising plant and equipment, our focus remains the same - delivering efficient, quality and cost-effective civil solutions for every client.
Leading Sydney civil construction company
Whether we’re constructing complex concrete structures, completing large-scale civil works, supplying skilled labour or mobilising plant and equipment, our focus remains the same - delivering efficient, quality and cost-effective civil solutions for every client.
Our Company
A reputation built on reliability and experience.
Our team is committed to maintaining high industry standards, ensuring all projects are delivered safely, efficiently and in accordance with project and regulatory requirements. We have strong systems, experienced people and proactive communication to ensure each project is delivered successfully.
Our Approach
Quality Driven
Our high standards ensure quality and workmanship are prioritised on every project.
Customer Focused
We have an enduring commitment to our longstanding relationships with our clients and partners.
Safety & People First
We care for our workers and are committed to providing safe work environments and great team culture.
Our Company
A reputation built on reliability and experience.
Our team is committed to maintaining high industry standards, ensuring all projects are delivered safely, efficiently and in accordance with project and regulatory requirements. We have strong systems, experienced people and proactive communication to ensure each project is delivered successfully.
Our Approach
Quality Driven
Our high standards ensure quality and workmanship are prioritised on every project.
Customer Focused
We have an enduring commitment to our longstanding relationships with our clients and partners.
Safety & People First
We care for our workers and are committed to providing safe work environments and great team culture.
Our Company
A reputation built on reliability and experience.
Our team is committed to maintaining high industry standards, ensuring all projects are delivered safely, efficiently and in accordance with project and regulatory requirements. We have strong systems, experienced people and proactive communication to ensure each project is delivered successfully.
Our Approach
Quality Driven
Our high standards ensure quality and workmanship are prioritised on every project.
Customer Focused
We have an enduring commitment to our longstanding relationships with our clients and partners.
Safety & People First
We care for our workers and are committed to providing safe work environments and great team culture.
Our Clients and Partners
Downer group
Our Services
Our Services
Full scope civil construction capabilities
Our services cover all phases of the architectural process
Concrete Structures
Structural concrete solutions delivered safely and efficiently across commercial, infrastructure and industrial projects.
Civil Construction
Comprehensive civil works including earthworks, drainage, roads, subdivisions and infrastructure construction.
Labour Hire
Reliable, experienced civil and construction personnel that are ready to support projects of every level of scale.
Equipment Hire
Modern, well-maintained machinery and equipment backed by experienced operators and responsive service.
The highest quality and safety standards
Our management system enables management of issues related with quality, work health safety.
We achieve this by:
Determining external and internal issues that are applicable to our operations and comply to obligations / expectations of all interested parties
Consistently providing a quality service in a safe manner with the least environmental impact that meets customer satisfaction and statutory regulatory requirements
Implementing processes for continual improvement in customer service, workers health and safety
Monitoring and reviewing all implemented processes
Ensuring we conform with stated quality, work health safety and environmental policies
Our management system enables management of issues related with quality, work health safety.
We achieve this by:
Determining external and internal issues that are applicable to our operations and comply to obligations / expectations of all interested parties
Consistently providing a quality service in a safe manner with the least environmental impact that meets customer satisfaction and statutory regulatory requirements
Implementing processes for continual improvement in customer service, workers health and safety
Monitoring and reviewing all implemented processes
Ensuring we conform with stated quality, work health safety and environmental policies
Our management system enables management of issues related with quality, work health safety.
We achieve this by:
Determining external and internal issues that are applicable to our operations and comply to obligations / expectations of all interested parties
Consistently providing a quality service in a safe manner with the least environmental impact that meets customer satisfaction and statutory regulatory requirements
Implementing processes for continual improvement in customer service, workers health and safety
Monitoring and reviewing all implemented processes
Ensuring we conform with stated quality, work health safety and environmental policies
Sustainability
We have a deep respect for the environment and are committed to ensuring sustainable and environmentally responsible practices across all our projects. We are committed to contributing to a sustainable future for our society and the world.
Reach out
Ready to build?
Let's talk
Whether you require civil construction expertise, structural concrete delivery, skilled labour or dependable equipment hire, our team is ready to support your next project.
Reach out
Ready to build?
Let's talk
Whether you require civil construction expertise, structural concrete delivery, skilled labour or dependable equipment hire, our team is ready to support your next project.
Reach out
Ready to build?
Let's talk
Whether you require civil construction expertise, structural concrete delivery, skilled labour or dependable equipment hire, our team is ready to support your next project.
Headquartered in Sydney, Onyx Civil are trusted and reliable civil contractors with a focus on delivering high quality, value-for-money work for our clients.
© 2026 Onyx Civil Pty Ltd
Headquartered in Sydney, Onyx Civil are trusted and reliable civil contractors with a focus on delivering high quality, value-for-money work for our clients.
© 2026 Onyx Civil Pty Ltd
Headquartered in Sydney, Onyx Civil are trusted and reliable civil contractors with a focus on delivering high quality, value-for-money work for our clients.
© 2026 Onyx Civil Pty Ltd