About us_

Engco expertise has delivered large scale projects, worth in excess of $100 million, and at the boutique end of the market, individual solutions for one-off domestic builds. The core of our business is in structural and civil engineering services, and we also have Green Star approved professional accreditation for our involvement with sustainable energy projects.

We look after our clients based on the following key principles:

Our key


We think outside the box, attaining efficiencies for our clients. In taking the time to understand you and your project, we can suggest new or more effective products and solutions for issues we’ve seen over and over. We believe in taking a fresh look at projects and approaching them from a different perspective.


Truly understanding our clients is one of our core philosophies. During your project you will be in frequent communication with your supervising director, because your project is as important to us as it is to you. We’re straight talkers and we’re upfront – you’ll get to know this about us right from the start.


We know what works, what is needed and what isn’t. Our eye is on the detail, and we spend the time getting it right first up, saving you time and expense later in your project.

Our services


Employing Chartered Professional Engineers our expertise in the design of steel, concrete and timber construction covers both commercial and residential applications.

Commercial: Recently our team have consulted on multi-storey buildings, industrial buildings, offices, retail, and public buildings.

Residential: Our expertise provides structural support for architecturally designed homes with revolutionary solutions including rib raft floor slabs and cross-laminated timber.

Our structural services include:

  • Structural assessment and reporting
  • Detailed civil engineering design and documentation
  • Construction supervision
  • Peer review and consultancy
  • Detailed Engineering Evaluations

Engco delivers smart civil solutions for a range of needs. Consistently, we draw on our international experience of seismic design for identification of problems and cost effective results.

Our experience includes large-scale pavement design, stormwater design, amd retaining walls for both commercial and residential projects.

Our civil services include:

  • Concept design
  • Detailed civil engineering design and documentation
  • Construction supervision
  • Geotechnical investigation
Product Engineering

Engco’s ongoing product development work transforms everyday materials into products which are a touch more efficient and effective. Our team love to work on groundbreaking engineering products.

Recent products we’ve been involved with include:

Cross laminated timber (CLT) We are the New Zealand leaders in the implementation of CLT and have become the manufacturer’s engineers of choice.

TC2 and TC3 RibRaft® foundations The original RibRaft® design was developed in-house at Engco for Firth Industries. Engco have completed over 1000 individual RibRaft® design foundations for New Zealand housing.

3. Panelisation products Working on the structural specification of panelisation products for the New Zealand residential housing market, involving quality control and code of compliance consultation within New Zealand’s first panelisation plant.