
Our Approach
At ID Advisory we work closely with our clients to establish the best engagement model, either integrated within an existing team or individual commissions, that deliver the best business outcome. Our flexible approach drives realisation of potential opportunities for the stakeholders, mitigating risk and delivering business requirements. Our team, utilising their experience and wealth of knowledge, will provide innovation and best practice service to the project teams to exploit the potential project opportunities and reduce risks. We have a unique understanding of the Australian construction industry. Our team members have worked across the varied range of clients, consultants and tier 1 contractors on some of the largest, most complex projects in Australia. Our experience gleaned from these projects will add value to your teams.






Our Founder
Ian Rigby established ID Advisory in 2020, shaping it into a trusted leader in project controls, contract management, and advisory services for the Natural Resources and Infrastructure sectors.
With over 30 years of experience, Ian is a recognised expert in project controls, contract administration, and cost management. He brings hands-on expertise in delivering mega projects and programs across the UK and Australia, specialising in scope, time, cost, risk, and change management. Ian has deep knowledge of implementing and operating advanced project control systems, including Prism G2, to ensure seamless project execution.
A Subject Matter Expert in estimating, Ian applies methodologies aligned with AACE standards, from parametric models for early-stage estimates (Class 4/5) to first-principles approaches for highly detailed estimates (Class 1/2).

His expertise extends to training and managing estimating teams of up to 100 professionals, developing libraries, and applying practical construction methodologies to optimise costs and manage risk effectively.
Ian’s commercial and contract expertise, combined with his practical understanding of resource productivity and construction methodologies, ensures innovative, cost-effective, and well-managed outcomes for complex programs and projects.
Get in touch with us
Let’s discuss what we can do for your business
