About Us

Who We Are

GMC Surveying is a leading provider of surveying, geospatial, and spatial data solutions. We support projects across infrastructure, construction, land development, mining, renewable energy, and government sectors throughout Australia and New Zealand.

Our team includes Registered Surveyors, engineering surveyors, UAV specialists, and geospatial professionals. Together, they combine technical expertise with practical project experience to deliver accurate, reliable, and timely survey outcomes.

Our Team

Gavin Mackenzie

Managing Director

Gavin Mackenzie is the Founder and Managing Director of GMC Surveying, bringing over 23 years of industry experience to the leadership of the company. As a Registered Surveyor with the Surveyors Board of Queensland, he has played a key role in delivering major resource and infrastructure projects across Australia. Under his guidance, GMC Surveying has grown into a team of more than 50 skilled professionals, recognised for technical excellence and client-focused service.

Steve Say

Financial Director

Steve Say is a Chartered Accountant with over 15 years of experience in finance, governance, and commercial operations. His background includes working with ASX-listed and multinational companies, where he has managed budgets exceeding $1 billion and advised on complex tax, legal, and corporate matters. At GMC Surveying, Steve leads the financial, legal, and administrative functions, ensuring the company’s operations are strategically aligned and commercially sound.

Anthony Gray

Cadastral Survey Manager (QLD)

Anthony Gray is a Registered Surveyor with over 30 years of experience spanning cadastral, consulting, and engineering surveying. His career includes significant contributions across both public and private sectors, with a strong focus on land development, infrastructure, and large-scale engineering projects. Anthony has successfully led major cadastral and engineering survey initiatives throughout Queensland and internationally, including complex subdivisions and infrastructure developments.

Chris Brannock

Operations Manager

Chris Brannock is a Registered Surveyor with 22 years of industry experience and formal qualifications in both Surveying and Civil Engineering. Since joining GMC Surveying in 2011, he has played a key role in delivering major civil and mechanical construction projects across Queensland. Chris brings a practical, solutions-focused approach to project execution, ensuring field operations run efficiently and to the highest standards.

Heath Poole

Survey Manager

Heath Poole is a senior surveyor with over 18 years of experience spanning high-rise construction, civil infrastructure, and the resource sector. His extensive project portfolio includes major developments in Sydney and Brisbane, large-scale subdivisions, and complex industrial facilities. With a strong technical foundation and practical field expertise, Heath plays a key role in managing survey operations and ensuring project accuracy across a broad range of sectors.

Phil Davies

Spatial Data Manager

Phil Davies brings over 30 years of industry experience to his role as Spatial Data Manager. A graduate of QUT with a degree in Surveying, Phil has worked on major international projects in the Middle East, Africa and throughout Asia. Since returning to Australia, he has led complex infrastructure modelling for large-scale highway and rail initiatives. He combines technical surveying expertise with advanced programming skills to automate workflows and enhance project efficiency.

Why Choose Us

Trusted Project Partner:

Known for our commitment to quality, safety, and client service, we work closely with contractors, developers, engineers, asset owners, and government agencies. As a result, we provide surveying solutions that support every stage of the project lifecycle.

From residential subdivisions and commercial developments to major transport infrastructure, renewable energy facilities, and mining operations, GMC Surveying delivers scalable services tailored to projects of all sizes. Furthermore, our team adapts to the unique requirements of each project to ensure efficient and practical outcomes.

Technology Driven Solutions:

We combine experienced personnel with advanced surveying technology to improve project delivery. Our capabilities include GNSS surveying, UAV mapping, LiDAR, 3D laser scanning, and digital engineering workflows.

These technologies enable us to collect accurate spatial data efficiently and safely. In addition, they help clients reduce risk, improve productivity, and make informed decisions throughout the life of a project.

Delivering Confidence:

At GMC Surveying, our goal is simple: provide dependable survey information that clients can trust. Whether supporting a local development or a major infrastructure project, we remain focused on accuracy, reliability, and professional service.

Consequently, our clients gain confidence that critical project decisions are being made using high-quality survey data and industry-leading expertise.

With offices in Brisbane, Dalby, Sunshine Coast, Wellington (NZ), and a team of skilled professionals, GMC Surveying is your trusted partner for reliable, responsive, and results-driven surveying services.