The Smooth Flow group of companies

At The Smooth Flow Group, we encompass a range of ISO-certified civil companies that deliver excellence for construction, traffic management, hydro excavations, coach transport, and boat hire. Our unified contracting group means that our clients have a comprehensive solution for all their civil contracting needs.

Smooth Flow Civil Contracting

Smooth Flow Traffic Management

Smooth Flow Traffic Management is a trusted name in the South Australia-wide traffic control and management services. We specialise in crafting comprehensive traffic management plans that ensures safe and organised traffic flow for events, mine sites, civil work sites, remote areas, and more.


With a fleet of experienced traffic controllers and a range of road signage options for hire, we facilitate smooth and secure traffic operations with a commitment to safety and compliance that makes us a valuable partner for road projects and urban management initiatives.

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Smooth Flow Civil Contracting

Smooth Flow Civil Contracting

Smooth Flow Civil Contracting is a cornerstone of the Smooth Flow Group, specialising in a diverse range of civil construction and engineering services. With a proven track record spanning decades, our team of civil contractors excel in engineering and construction contracts, as well as providing land clearing, road construction, and other general contracting services. 


We’re committed to delivering projects that align with our quality standards and clients' expectations. With experience and expertise that makes us a reliable partner for major Tier projects and commercial applications, we can ensure successful outcomes every time.

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Smooth Flow Hydro Excavations & Service Locating

At Smooth Flow Hydro Excavations, we offer cutting-edge hydro vacuum services and non-destructive digging techniques, with an advanced approach to underground mapping and location that provides highly accurate insights for various projects. 


With a focus on complete safety and precision for all non-destructive digging or underground location services, we address the challenges of sub-surface work efficiently and effectively. Whether it's for utility installations, excavation projects, or environmental assessments, our skilled team delivers reliable results that meet civil industry standards.

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Smooth Flow Civil Contracting

Smooth Flow Civil Contracting

Smooth Flow Civil Contracting is a cornerstone of the Smooth Flow Group, specialising in a diverse range of civil construction and engineering services. With a proven track record spanning decades, our team of civil contractors excel in engineering and construction contracts, as well as providing land clearing, road construction, and other general contracting services. 


We’re committed to delivering projects that align with our quality standards and clients' expectations. With experience and expertise that makes us a reliable partner for major Tier projects and commercial applications, we can ensure successful outcomes every time.

Learn more
Smooth Flow Civil Contracting

Smooth Flow Traffic Management

Smooth Flow Traffic Management is a trusted name in the South Australia-wide traffic control and management services. We specialise in crafting comprehensive traffic management plans that ensures safe and organised traffic flow for events, mine sites, civil work sites, remote areas, and more.

With a fleet of experienced traffic controllers and a range of road signage options for hire, we facilitate smooth and secure traffic operations with a commitment to safety and compliance that makes us a valuable partner for road projects and urban management initiatives.

Learn more
Smooth Flow Civil Contracting

Send It Marine

Send It Marine offers an array of small watercraft for hire, catering to diverse marine needs such as marine surveying, recovery operations, and floodwater assistance. Our fleet of well-equipped watercraft provides the platform you need to carry out specialised tasks in marine environments, which is why, with a dedication to safety and efficiency, Send It Marine is your local partner for accessing water-based projects with confidence.

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Smooth Flow Coachlines

Smooth Flow Coaches specialises in providing reliable coach hire and transportation services, with a unique focus on facilitating the safe and efficient movement of workers for civil works sites and mining operations in remote regions.


Our fleet of well-maintained vehicles and experienced drivers ensure punctual and secure travel, with an unwavering commitment to safety and operational excellence that has made Smooth Flow Coaches the preferred choice for workforce transportation in Adelaide and across South Australia.

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Smooth Flow Hydro Excavations & Service Locating

At Smooth Flow Hydro Excavations, we offer cutting-edge hydro vacuum services and non-destructive digging techniques, with an advanced approach to underground mapping and location that provides highly accurate insights for various projects. 


With a focus on complete safety and precision for all non-destructive digging or underground location services, we address the challenges of sub-surface work efficiently and effectively. Whether it's for utility installations, excavation projects, or environmental assessments, our skilled team delivers reliable results that meet civil industry standards.

Learn more

Send It Marine

Send It Marine offers an array of small watercraft for hire, catering to diverse marine needs such as marine surveying, recovery operations, and floodwater assistance. Our fleet of well-equipped watercraft provides the platform you need to carry out specialised tasks in marine environments, which is why, with a dedication to safety and efficiency, Send It Marine is your local partner for accessing water-based projects with confidence.

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Smooth Flow Coaches

Smooth Flow Coaches specialises in providing reliable coach hire and transportation services, with a unique focus on facilitating the safe and efficient movement of workers for civil works sites and mining operations in remote regions.


Our fleet of well-maintained vehicles and experienced drivers ensure punctual and secure travel, with an unwavering commitment to safety and operational excellence that has made Smooth Flow Coaches the preferred choice for workforce transportation in Adelaide and across South Australia.

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Contact us

If you’d like to learn more about Smooth Flow’s group of leading South Australia companies, be sure to get in touch with us now with your query. Give us a call or fill out our online enquiry form and we’ll get back to you as soon as we can with a detailed consultation.

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26B Kay Ave, Berri SA 5343, Australia

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