Where design meets delivery
Civil design specialists delivering practical, buildable solutions for every project
Local Expertise, Trusted Engineering Partners
About us
DMX is a civil engineering consultancy based in Darwin and Adelaide, founded by Matt and Dion. Matt leads the engineering, bringing more than 20 years of experience in civil design and construction, including over a decade with leading engineering consultancies WSP and GHD.
We specialise in road infrastructure, pavement design, stormwater management, land development and forensic engineering. Our clients include government agencies, councils, construction companies, developers and private businesses.
Every project is managed by an experienced engineer, from concept through to construction, combining the technical expertise of a larger consultancy with the flexibility, responsiveness and personal service of a smaller firm.
Engineering Excellence for Every Sector.
Our Services
TRANSPORT AND ROAD INFRASTRUCTURE
Designing efficient and durable road networks for urban, rural, and regional areas.
- Road Design & Upgrades
- Intersection & Roundabout Design
- Linemarking & Signage Plans
- Stormwater Drainage for Roads
- Active Transport & Pedestrian Infrastructure
- Flexible & Rigid Pavements
LAND / PROPERTY DEVELOPMENT
Supporting commercial, multi-residential and subdivision developments with expert civil designs.
- Subdivision Infrastructure Design
- Stormwater Management Plans & Drainage Design
- Detention, Retention & Water Quality Design
- Earthworks & Site Grading
- Car Park & Hardstand Design
- Council Approvals & Compliance
FORENSIC ANALYSIS & RECTIFICATION
Investigating failures and providing solutions to restore integrity.
- Road & Pavement Failure Assessments
- Stormwater & Drainage Failures
- Infrastructure Condition Reports
- Rehabilitation & Remediation Plans
CIVIL INVESTIGATION & ASSET MANAGEMENT
Helping clients proactively manage and maintain infrastructure assets.
- Infrastructure Audits & Risk Assessments
- Remediation Planning
- Maintenance Plans
Precision Designs, Seamless construction
Completed Projects
Civil engineering projects across the Northern Territory and South Australia, from highway upgrades to property development and forensic investigations. Here are a few recent ones.
Contact us to talk about your next project.
TRANSPORT AND ROAD INFRASTRUCTURE
Stuart Highway Upgrade - Ch 90-92km & 133.4-135km
Location: Stuart Highway, NT
Client: Aldebaran / DLI
Status: Completed Dec 2023
Civil / Stormwater design across two separate 2km sections of the Stuart Highway.
Stuart Highway Upgrade - Ch 97.6-100.8 km
Location: Stuart Highway, NT
Client: Alan King & Sons / DIPL
Status: Completed March 2024
Lead design for road rehabilitation and drainage upgrades along a 3.2 km stretch of the Stuart Highway.
LAND / PROPERTY DEVELOPMENT
Woolworths Carpark Refurbishment
Location: Port Pirie, SA
Client: CSC
Status: Completed March 2025
Civil / Stormwater design for the upgrade of a retail car park, including stormwater, pavement, and access improvements.
The Minds Behind Every Great Project
Our Team
Civil engineers and designers working across the Northern Territory and South Australia, from highways and drainage to property development and forensic investigations.
You deal directly with the people doing the work, so questions get answered quickly and drawings come back on time.
Reliable. Respected. Recommended.
Trusted by Government, Council & Industry
Get in touch - we're ready to help


















