Building confidence and trust
Amidst heightened expectations of transparency, fairness, and accountability, trusted probity advice is essential. OCM works alongside you to protect integrity, manage risk, and help deliver decisions that stand up to scrutiny.
When transparency and trust matter, we deliver.
Globally recognised
Probity advisors across infrastructure, grants, divestments, transport and market tested procurements. With Australasian capability supporting projects across Australia and New Zealand.
Endorsed
By government and oversight bodies; particularly our tailored probity plans and better practice guides for high-risk projects.
Trusted
By oversight bodies, cited in judicial reviews and those of State and Federal Auditor-Generals.
Proven impact
Delivering probity services for more than $300 billion in large scale infrastructure projects; building the airports, roads, rail, water, housing, schools, batteries, hydro, renewable grids, data centres, bases and health facilities of Australia and New Zealand.
Capabilities
Assurance that procurement, grant and funding processes are robust, auditable, and aligned with relevant legislation, policies and strategic goals.
Together, we deliver progress that matters on...
Probity advice
Providing practical, real-time advice throughout procurement, funding and decision-making processes to identify and manage probity risks.
Probity audit and assurance
Delivering independent reviews and assurance over procurement and decision-making activities to provide confidence that processes have been conducted appropriately.
Conflicts of interest management
Developing declarations, registers, protocols and mitigation strategies to manage actual, perceived and potential conflicts.
Probity plans and protocols
Establishing tailored frameworks, plans and governance arrangements that support transparency, accountability and defensible decision-making.
Training and capability development
Building probity awareness and capability through targeted workshops, briefings and practical guidance.
Governance and risk management
Integrating probity considerations into broader governance, risk and assurance frameworks.
Our people

Beth Nilan
Executive Director | Probity Services

Leena Pradhan
Associate Director | Probity Services
Client stories
Making tomorrow better, together
Taking flight with Western Sydney International Airport
The Western Sydney International Airport Project is one of the most significant infrastructure projects in Australia, generating economic activity, providing employment opportunities, and meeting Sydney’s growing aviation needs.
Read full storyProbity flows through SA’s Northern water pipeline
In high-value, multi-stakeholder infrastructure projects with sensitive environmental considerations, embedding early and consistent probity principles is essential. OCM applies the highest standards of probity to foster a culture of accountability and transparency.
Read full storyCreating houses and building trust in affordable housing delivery
Australia’s housing crisis may be dominated by headlines and debate, but beneath it all, it’s about building homes for people. Real change happens when we focus on the systems, decisions, and leadership that make safe and, stable housing a reality.
Read full story





