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Welcome to Keystone – We are your trusted partner in archaeological consulting across the upper South Island of Aotearoa.  

Based in Marlborough, Keystone provides professional archaeological assessments that support planning, infrastructure, and development projects. Whether you are navigating council requirements, engaging with iwi, preparing an authority application or assessing site potential; we deliver timely and informed advice grounded in technical expertise. We offer clear advice and thorough documentation to help you meet your obligations with confidence.

We specialise in providing a range of services to support archaeological approvals. From site assessments to excavation reports; our expertise helps you navigate complex requirements.