Independent advice for the places, infrastructure and services people depend on

Independent Artificial Intelligence, Digital Twin, and Data services for governments and infrastructure owners.

Principal-led by Gavin Cotterill.

WHY GC3 EXISTS

The decisions that shape places deserve better

Better data, better advice, and better thinking at those decision points create better outcomes for governments, for communities, and for the built environment itself.

GC3 Digital exists to help the people responsible for those decisions make them with more confidence, more clarity, and less waste.

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Principal-led

Gavin leads every engagement personally.

Independent

No technology to sell. No methodology to justify.

Three decades

Across planning, capital delivery, and digital transformation.

how gc3 helps

Three ways to work together

Advise

Turn complexity into confidence

Clarity before you commit. Understand the landscape, find the value, and define a credible path.

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Consult

Better decisions. Better delivery

Evidence, frameworks, and business cases that give decision-makers the confidence to act.

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Partner

Independent. Present. Accountable

Independent assurance and hands-on support alongside your team through delivery.

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recognised & trusted

National bodies,
State governments,
Utilities, Capital projects

The organisations that cannot afford to get the advice wrong.

SELECTED WORK

Case Studies

Discover our in-depth case studies highlighting our expertise in Digital Twin technology, AI integration, and strategic consulting that drive transformative outcomes.

VIEW ALL WORK

NATIONAL POLICY

Designing a Digital Twin approach for national infrastructure decisions

GOVERNMENT

Procurement strategy and client-side Digital Twin expertise for the SEQ Digital Twin program

LOCAL GOVT

A combined Digital Twin and AI program for a regional council

WATER

Digitalising capital project delivery for a major water utility

ENERGY

Business case and information requirements for capital delivery data

government

Technology design for Queensland’s spatial Digital Twin

TRANSPORT

Digital Twin blueprint, strategy, and procurement for Australia’s largest rail program

LAND & SPATIAL

Independent assurance and interface leadership

GOVERNMENT

Digital Twin’s vision and business case for the national capital

Gavin played a pivotal role in shaping crucial concepts for Infrastructure Australia’s shift towards a data-driven audit methodology. His adept crafting of ideas underscores a visionary approach to maximising the potential of data. Gavin’s efforts lay a solid groundwork for IA’s upcoming data initiatives and highlight his unwavering commitment to innovation and flexibility.

Steve Brogan

Infrastructure Australia
– Chief of Policy and Research

Gavin’s impact on the MDC Digital Twin project’s advancement and implementation has been paramount. His ability to foster strong relationships within the team and his vast international and national proficiency in developing MDC’s Digital Twin strategic and technical requirements have been exemplary. Gavin is a vital member of the MDC DTw project team and is a pivotal figure essential to driving and upholding its ongoing success.

Stacey Young

Marlborough District Council
– Chief Information Officer

Gavin’s contribution to the development and delivery of the SEQ Digital Twin project has been invaluable. He cultivated a strong rapport with the team and showcased his extensive international and national expertise in Digital Twin technologies. Gavin remains a cornerstone of the SEQ DTw project team, playing a critical role in ensuring its continued success.

Melissa Hensley

Queensland Government
– State Development and Infrastructure
– Director, Digital Twin Project

Gavin’s contribution to the Suburban Rail Loop’s digital foundations has been paramount. His ability to build strong relationships across the Authority, combined with deep national and international experience, shaped our Digital Twin blueprint, integrated digital strategy, and procurement approach with real rigour. Gavin has been a vital contributor and a pivotal figure in giving us the confidence to invest in Digital Twin, AI, and data capability at the scale one of Australia’s most significant infrastructure investments demands.

Chris Storey

Suburban Rail Loop Authority
– Chief Financial Officer

Insights

The view from inside the decision

Discover how Digital Twins, AI integration, and Data-Driven strategies are shaping the future of cities and urban infrastructure.

Independent advice for the places, infrastructure and services people depend on