Enterprise Governance & Architecture Trusted by Australia's Leading Organisations.
We deliver high-impact strategy, rigorous governance, and scalable architecture solutions that solve complex challenges.
Trusted by Australia's Most Critical Organisations






Our Expertise
Comprehensive Strategic Advisory
We combine deep industry knowledge with rigorous frameworks to deliver actionable outcomes.
Corporate Consulting
Organisational design, operating models, and business transformation strategies that align people with purpose.
Strategy
Digital roadmaps and enterprise strategies that navigate complexity and drive long-term value creation.
Governance & Risk
Robust frameworks ensuring compliance, security, and ethical alignment across large-scale operations.
Enterprise Architecture
Holistic blueprinting connecting business goals with IT execution using TOGAF and industry best practices.
Technology Architecture
Cloud adoption, application modernisation, and infrastructure design for resilient digital platforms.
Ready to transform your enterprise?
Let's TalkEnterprise Transformation
Reducing Legacy Costs by 47% via Cloud Migration
We partnered with a major organisation to modernise their 20-year-old legacy infrastructure. By implementing a strategic cloud-first architecture, we not only improved security compliance but drastically reduced operational overhead.
Proven Results Across Sectors
We deliver measurable outcomes for Australia's most demanding organisations. Here's a selection of our recent engagements.
Supply Chain Modernisation
Redesigned end-to-end logistics architecture for a major organisation, improving asset visibility and reducing procurement cycle times.
Digital Transformation
Led a whole-of-organisation digital transformation program, consolidating 47 legacy systems into a unified cloud-native platform.
Enterprise Architecture Overhaul
Developed and implemented a target-state enterprise architecture for a national infrastructure provider, enabling strategic technology investments.
Experience That Delivers
ISG isn't just another consultancy. We're a team of battle-tested experts who've led Australia's most complex enterprise and government programs.
Our leadership team has delivered transformational outcomes across defence, federal agencies, and major enterprises. We've built ISG to tackle the challenges that others can't—or won't. When you engage us, you're getting direct access to senior practitioners who've seen it all and know how to deliver.
Meet our leadership teamDecades of Combined Experience
Our leadership team brings 25+ years of collective experience across defence, government, and enterprise transformation programs.
We Solve What Others Can't
When projects stall or complexity overwhelms, organisations call ISG. We specialise in untangling the challenges others walk away from.
Security-Cleared Professionals
Our consultants hold the clearances required for Australia's most sensitive programs, enabling us to operate where others cannot.