About us
Based in the Adelaide Hills, Terratwin Surveying provides topographic surveys, 3D laser scanning, measured building surveys and spatial data services throughout South Australia.
Founded and led by Director Daniel Simpson, Terratwin combines modern surveying technology with a practical, client-focused approach. Supported by a growing team of surveying and drafting professionals, we deliver reliable survey information for architects, engineers, developers, builders and private clients.
From residential renovations and heritage buildings to large-scale commercial and infrastructure projects, we provide the accurate data needed to support confident design, planning and construction decisions.
Survey-Grade Accuracy
Using Leica survey and laser scanning technology, we capture highly accurate spatial data for design, planning and construction projects. Our rigorous field and office workflows ensure reliable deliverables that clients can confidently build from.
Tailored Deliverables
We understand that each project is unique, and we work closely with our clients to provide innovative geospatial solutions that meet their specific needs and goals. We can provide a wide range of surveying services to suit any project.
Responsive Service
We understand that project decisions depend on timely information. Our efficient field-to-office workflows help deliver survey data quickly, keeping design, planning and construction programmes moving forward.