Thank you for you support this year. Happy holidays and Merry Christmas!

Christmas Hours: We are closed from Monday 22nd December 2025 and will be back on Monday 12th January 2026.

 

For general enquiries please leave a message below or email us at info@g-i.co.nz. If you want to speak to us, please call 0800 368 278 (0800 DMT CPT) or our direct phone numbers below.

We operate nationwide with bases in Auckland, Christchurch and Dunedin.

North Island – Auckland

Phone Number

(09) 950 1919

Email Address

info@g-i.co.nz

Physical Address

15 The Concourse,
Henderson,
Auckland

South Island – Christchurch

Phone Number

(03) 928 1101

Email Address

enquiries@g-i.co.nz

Physical Address

12a Validation Place,
Middleton,
Christchurch

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Ground Investigation provide testing services all over New Zealand. Our operators enjoy the challenges New Zealand’s unique and diverse landscapes set us across both the North and South Islands.

We specialise in difficult access locations and have the resources for your project wherever it may be.

Check out our case studies and gallery pages to see some of the places we have been or call us to discuss your project requirements.