About Us
About Us
Engineering solutions that are practical, coordinated and built for delivery
iDECS Engineering is a Sydney-based civil and structural engineering consultancy delivering practical design solutions for subdivisions, residential developments, commercial buildings and community infrastructure.
Our team brings 50 years of combined experience from major infrastructure, township development, roadworks, stormwater drainage, pavements, utilities coordination and structural design. We support builders, developers, architects and project owners from concept design through to detailed documentation, construction support and certification.
Practical Engineering
Practical, safe, and efficient engineering.
Stronger Foundations
Reliable civil and structural solutions.
Better Outcomes
Trusted support from concept to completion.
At iDECS, engineering excellence begins with professional accountability.
Our consultancy is led by Chartered Professional Engineers (CPEng) recognised by Engineers Australia, bringing professional expertise in civil and structural engineering, engineering design management and construction delivery.
Chartered status demonstrates professional competence, engineering judgement and a commitment to ethical practice, continuing professional development and professional standards.
Our engineers draw upon applicable Australian Standards, the National Construction Code (NCC) and relevant local authority requirements to develop engineering solutions suited to each project’s scope and regulatory context.
We believe that successful engineering is not simply about producing calculations and drawings. It is about understanding site constraints, managing technical risks, improving constructability and delivering value throughout the project lifecycle.
10+
Successfully Project Finished Since 2025.
50+
Years of combined experience.
25
Team Size
04+
Chartered Professional Engineers
Our Happy Clients!
Posted on Google![]()
Luke FallowfieldTrustindex verifies that the original source of the review is Google.
I recently engaged iDECS for civil engineering services on our subdivision project and couldn’t be happier with the experience. Their team was a pleasure to work with excellent communication and outstanding service from start to finish.Posted on Google![]()
Mikey ManogueTrustindex verifies that the original source of the review is Google.
Great team to work with.Posted on Google![]()
Kalaiy Arasan VeerasamyTrustindex verifies that the original source of the review is Google.
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