Your end-to-end civil works partner
SERVICES
At ExCo, we bring a builder's mindset to full-service civil works — excavation, drainage, earthworks, piling, hard landscaping, and kerb & channel, delivered as one coordinated package.
We partner with developers, builders, and landowners to keep projects on schedule and to spec, with the next trade always in mind.
EARTHWORKS
Precision Earthworks from Start to Finish
Full-service excavation for residential and commercial builds, from the initial cut through to final grade. Delivered as part of one coordinated package with drainage and hard landscaping, so the site isn't waiting on separate contractors to move each piece forward.
Services Include:
Site clearance and levelling
Gravel raft preparation
Foundation trenching and excavation
Timber retaining walls for structural support
CASE STUDY
Factory Drive
Full-service commercial siteworks, from a gravel raft foundation through to millimetre-precise finishing.
LAND DECONTAMINATION
Safe, Compliant Land Remediation
If your site contains contaminated or unsuitable material, we can clean it up and make it compliant. We handle the entire remediation process from soil testing to disposal and council documentation — ensuring your land is safe, approved, and ready for development.
Services Include:
Contaminated soil removal
Site remediation and validation reports
Compliance with local council and environmental standards
PILING & FOUNDATIONS
Strong Foundations for Confident Builds
Your foundation is everything — and we make sure it’s built to last. We offer a variety of piling and foundation systems suited to the ground conditions and structural needs of your project. Whether it’s residential, commercial or challenging terrain, we’ve got the right solution.
Services Include:
Waffle slab foundations
Rib raft and gravel raft systems
Traditional concrete slabs
Timber-driven piles for soft or sloping ground
CASE STUDY
Springfield Road
Piling through a tight site and tough weather — problem-solving that saved Dwell Residential tens of thousands of dollars.
DRIVEWAYS & FOOTPATHS
Access Solutions that Last
We construct durable, low-maintenance driveways and footpaths built to handle daily use and tough weather. From base prep to surfacing and finishing, we make sure every detail is right.
Services Include:
Excavation and base construction
Concrete and asphalt driveways
Kerb and channel work
Vehicle crossings for council compliance
UTILITIES & SERVICES
Smart Utility Integration & Installation
We install and coordinate essential site services with precision and care — from stormwater systems to broadband trenching. We understand how critical these services are, and we make sure they’re done properly and integrated seamlessly into your build.
Services Include:
Three waters: stormwater, wastewater, and potable water
Sumps, soak pits, and water holding tanks
Retention and detention tank systems
Wastewater treatment installation
Power and fibre trenching
Utility coordination and service provider management
PROJECT MANAGEMENT
Project Coordination You Can Rely On
Our project management services keep everything on track — timelines, budgets, communication, and compliance. We liaise with councils, subcontractors, and asset holders so you don’t have to chase up loose ends. We make things happen smoothly and on time.
Services Include:
Construction schedules and regular reporting
Subcontractor and asset holder coordination
Contract management and administration
Council engagement and safety compliance
CASE STUDY
Four Avenues
Eleven townhouses, two blocks, one tight radius — precision excavation on a large residential build.
Why Work with ExCo?
-
Proven Track Record in Christchurch
We’ve supported successful residential and commercial developments throughout Christchurch, working with some of the region’s leading builders and property developers. Our local knowledge and on-the-ground experience mean we know what works — and how to get it done right.
-
Construction & Project Management Expertise
Our team comes from construction and project management backgrounds, so we understand the demands of tight timelines, layered stakeholders, and shifting site conditions. We plan carefully, build efficiently, and always think ahead.
-
Clear, Reliable Communication
We keep things simple and straightforward. From the first phone call to the final sign-off, we’re easy to reach, quick to respond, and always upfront. No surprises, just solid work and open communication.
-
We Get In, Get It Done, and Keep You Moving
We understand that delays cost money — so we stay focused on doing our job efficiently so you can move on to the next stage. We coordinate closely with other trades and asset holders to keep everything on track.