Delta Group has the people, plant and equipment to deliver end-to-end civil contracting services to support building and infrastructure works across urban and industrial landscapes anywhere in Australia – metro, regional, remote or marine. No other contractor understands the project lifecycle better than we do. We will design a works programme that’s delivered on time and on budget. From small boutique developments to large scale multi-discipline projects, we have the scale and systems to get the job done right, first time.

  • Our services are available Australia wide

  • Excavation

    Bulk and detailed earthworks, including site clearing, bulk cut to fill, lay-down area preparation, rock excavation and mobile contract crushing and screening, batters and benches, as well as set-downs, pad and strip footings, and pile caps.


    Design and certification of temporary and permanent retaining structures, including piled, shotcrete, in-situ, and earth reinforced retaining structures – anchored, cantilevered and gravity walls. Temporary and permanent ground anchors, soil nails and rock bolts.


    Cost effective project specific solutions involving bored, driven, sheet and CFA piling methods.


    Construction of building and complex structure pad, raft or pile cap foundations, including ground slabs in small, large and complex structures.

    Ground Improvement

    Ground and soil mass engineering techniques, including ground stabilisation, soil mixing and pressure grouting, rock wedge stabilisation, platforms and hardstands, and dewatering.

    Site Infrastructure

    Excavation and installation of all underground site infrastructure, including stormwater and sewer, hydraulics, fire mains, potable water, communications and electrical (VEDN accredited). Civil pavements and above-ground infrastructure, including roads and carparks, kerbs, line marking, bollards and signage, as well as the excavation and construction of drains, swales, detention ponds, dam wall lifts and wetlands.

    Marine Environments

    Construction of sea wall and revetment structures, foreshore remediation, coffer dams, barge and pontoon works, pier refurbishment & specialist co-ordination for supply & installation of pier & marina structures. Environmental management services, including contaminated sediment and containment systems.

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    Unparalleled civil construction expertise across multiple disciplines and industry sectors.



    High end specification for hard and soft landscaping design and construction, including architectural pavements, features and retaining walls, cultivation, topsoil, hydro-seeding and turf installation, planting, irrigation, drainage, water features, fencing, steel and timber structures, boardwalks, furniture and playgrounds, ovals and sport-courts, and lighting.

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    Multi award winning hard and soft landscaping solutions.


    Site Remediation & Rehabilitation

    Full site remediation and rehabilitation, including excavation and removal, containment and compaction, bioremediation and landfarming, in-situ stabilisation, screening and abatement, chemical treatment and stabilisation, capping, trenching and cover barriers, revegetation, backfilling, contouring, drainage, and membrane vapour barrier installation.

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    We are first on the ground to deliver end-to-end remediation and rehabilitation solutions.