Need to contact us?

For general enquiries use the webform below or otherwise please email us at If you need to speak to us, give us a call on 0800 368 278 (0800 DMT CPT) or find our office numbers below. If you have something to send us by post please send it to PO Box 302002 North Harbour, Auckland 0751

North Island – Auckland

Physical Address

176 Bush Road, Rosedale,

Contact Number

South Island – Christchurch

Physical Address

Unit A/12 Marylands Place, Middleton

Christchurch 8024

Contact Number

Leave us a message

Contact Us Form

Ground Investigation provide testing services all over New Zealand and our operators and machines are to be found living, working and enjoying 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 pages to see some of the places we have been or call us to discuss your project requirements.