Bulk Excavation · 2025
Basement Bulk Excavation
Sydney NSW
View Project
Est. Australia · Civil & Excavation
CIVIL
CONTRACTING
BUILT FOR SCALE.
Williamson Civil Contracting delivers professional demolition, excavation and civil construction with modern equipment, experienced operators and an uncompromising commitment to safety and quality.
By the numbers
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Years Experience
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Projects Completed
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Machines in Fleet
0%
Safety Focused
What we do
EXPERT CIVIL &
EXCAVATION SERVICES
From bulk earthworks on greenfield subdivisions to precision rock sawing between existing structures, our team brings the right plant, the right operators and the right plan to every site.
Civil Contracting
End-to-end civil works for commercial, industrial and infrastructure projects.
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Bulk Excavation
Large-scale cut, fill and site cut for developments and subdivisions.
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Detailed Excavation
Precision digs, footings, pool cuts and confined-access excavation.
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Rock Excavation
Sandstone, shale and hard-rock removal with the right plant for the ground.
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Rock Saws & Grinders
Diamond wall sawing, chain sawing and rock grinding for clean, safe cuts.
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Plant Hire
Modern excavators, posi tracks, tip trucks and attachments — wet or dry.
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Why choose us
WHY
WILLIAMSON
CIVIL.
Modern Fleet
Late-model Hitachi machines fitted with GPS, tilt-hitches and specialist attachments.
Skilled Operators
Experienced, ticketed operators who know how to read ground and read plans.
Safety First
ISO-aligned SWMS, JSAs and daily pre-starts on every site, every day.
Reliable Delivery
On program. On budget. Clear communication from quote through handover.
Capability
BUILT FOR COMMERCIAL,
INDUSTRIAL &
CIVIL PROJECTS.
We work with developers, builders, councils and infrastructure contractors on projects of every scale. Our team is set up to mobilise fast and deliver clean, compliant work.
- Bulk Earthworks
- Site Preparation
- Trenching
- Land Clearing
- Demolition
- Rock Breaking
- Detailed Excavation
- Sandstone Retention
The fleet
MODERN PLANT.
SERIOUS OUTPUT.
5T — 30T
Excavators
1.2m — 2m
Diamond Blade Rock Saws
Full Package
Site Prep
Augers · Buckets · Rippers
Piling Attachments
Precision Cuts
Rock Grinders
Recent work
SELECTED
PROJECTS.
Rock Breaking · 2025
Basement Rock Breaking
Sydney NSW
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Demolition · 2025
Demolition Works
Sydney NSW
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Piering & Piling · 2024
Piers and Piling Works
Sydney NSW
View Project
Subdivision Civil · 2024
Subdivision Civil Works
Sydney NSW
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Detailed Excavation · 2024
Tight Access Excavation
Sydney NSW
View Project
Civil Roadworks · 2024
Kerb & Road Works
Sydney NSW
View Project
Diamond Blade Rock Sawing · 2023
Deep Sandstone Cut
Sydney NSW
View Project
Safety
SAFETY IS OUR
FOUNDATION.
Every operator on our team is ticketed, inducted and briefed before boots hit the ground. We plan for risk, we document our controls, and we look after the environment we're working in.
Compliance & SWMS
Risk Management
Qualified Operators
Environmental Responsibility
About us
BUILT ON
GROUND WE'VE
TURNED OURSELVES.
Williamson Civil Contracting was founded on a simple idea — do the job properly, communicate honestly and stand behind the work. From a single machine to a full fleet, we've grown by delivering repeatable, reliable results for the builders and developers who trust us.
Mission
Deliver civil works our clients can build on with total confidence.
Values
Quality workmanship, reliable communication, long-term relationships.
Client feedback
TRUSTED BY
BUILDERS.
"Williamson Civil delivered our basement excavation on time despite tough sandstone conditions. Communication was first class."
David M.
Project Manager, Commercial Builder
"Clean site, safe operators, sharp trenches. The kind of contractor you actually want back on the next job."
Sarah L.
Site Supervisor, Civil Developer
"They quoted honestly, showed up when they said they would and left the pad ready to build on. Ten out of ten."
Marcus T.
Director, Residential Builder
Where we work
SERVICING
ALL OF NSW.
Based in New South Wales, we mobilise our fleet across metro Sydney and regional projects state-wide. Talk to us about your site — we've probably worked ground like it before.
Sydney
Newcastle
Central Coast
Wollongong
Blue Mountains
Hunter Valley
Regional NSW
Canberra
Get Started
READY TO START
YOUR NEXT
PROJECT?
Send us your scope, plans or drone footage. We'll come back with a straight-shooting quote.
Request a Free Quote