Let's Solve It.

Tell us about your project and we'll give you a straight answer.

24/7

Emergency Response

+64 9 232 7251

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Ready to Talk?

Every enquiry is handled by an engineer, not a sales team. Tell us what you're dealing with and we'll give you a straight answer.

  • A direct response from an engineer — not a sales team.
  • A free, no-obligation preliminary assessment of your situation.
  • Honest advice on whether our services are the right fit.
  • A clear proposal if we're the right team for the job.

Call Us

+64 9 232 7251

Available 24/7

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Email Us

enquiries@gsinz.nz

Response within one business day

Send an Enquiry

No obligation. One of our engineers will be in touch within 24 hours.

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Talk Directly to an Engineer

Our specialists are available to discuss your project. Each team leader covers a specific area — reach out to the right person directly.

Geohazard Mitigation

Mat Avery

+64 27 552 8306mat@gsinz.nz

Ground Engineering

Thomas Northey

+64 21 627 198thomas.northey@gsinz.nz

Specialist Grouting

Chris Siebert

+64 27 307 9843chris.siebert@gsinz.nz

ITM & Contaminated Ground

Graeme Quickfall

+64 21 027 13849graeme@gsinz.nz

General Enquiries

+64 9 232 7251

Available 24/7

Postal Address

PO Box 212
Pukekohe 2340
New Zealand

Get in Touch

Slope Failure
Doesn’t Wait.

Every GSI NZ project starts with a site assessment, not a sales pitch. Tell us what you’re dealing with and we’ll tell you what it needs.

Call 24/7 — +64 9 232 7251

How Can We Help?

No obligation. One of our engineers will be in touch within 24 hours.

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