Advisory, Engineering, Feasibility Studies & EPC Contract Delivery
Engineering Services Built for Complex Environments
Feasibility through construction. Every engagement led by the principal, delivered to the standard remote projects demand.
Get In TouchWhat sets Harrington O'Sullivan apart:
Principal-Led Delivery
Your project led by the company principal.
Proven in Hard Environments
Five countries. Twenty years. Real outcomes.
Senior Representation
Ministerial access backed by engineering credibility.
What sets Harrington O'Sullivan apart:
Built to Deliver the Full Project, Not Just a Piece of It
Most consultancies sell disciplines in silos. We integrate six into one accountable delivery model, led by the principal across every engagement.
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Feasibility Studies
Pre-feasibility and bankable feasibility studies that give boards the confidence to commit capital. Technically rigorous, commercially grounded, and delivered to investment-decision standard.
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Engineering Design & Development
Multi-discipline engineering from concept through construction. Digital engineering, mechanical, civil, and process design delivered for remote, demanding environments.
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Project Services
Scheduling, cost control, document management, and project administration. The nuts and bolts that keep scope, budget, and programme together.
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Commercial & Contracts
Procurement strategy, contract structuring, and cost control embedded in project delivery. Commercial discipline that protects your budget and your programme.
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Project Management
Full delivery accountability from scope definition through to commissioning. The same team who plans your project is the one who delivers it.
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Senior Advisory
Stakeholders advisory, regional industry positioning, and strategic project advisory. Senior representation at the conversations that determine whether projects get funded.
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Why Harrington O'Sullivan
Principal-Led Delivery
Every project gets principal level direct involvement, thus reducing overhead slippage with focused deliverable outcomes.
Proven in Hard Environments
From the Pilbara to the DRC, we've delivered in environments where failure carries real consequences. Twenty years, five countries, no excuses.
Senior Representation
We don't just deliver projects. We sit at the table with regional stakeholders when projects need support to progress.
FAQ
Frequently Asked Questions
Common questions about our project controls and how we embed them in delivery.
What type of projects do we have experience in?
Our mining portfolio spans feasibility studies, infrastructure builds, engineering design, and senior advisory across lithium, nickel, copper, and large-scale industrial projects in Australia and Sub-Saharan Africa.
Is George Harrington personally involved in every project?
Yes. Every engagement receives direct principal-level involvement. There is no junior team working behind the scenes. George scopes, plans, and delivers the work himself.
What industries and commodities do you work across?
Our experience spans lithium, nickel, copper, uranium, and large-scale industrial projects. We work with growth-stage mining companies advancing critical mineral projects.
Do you work on international projects?
Yes. We have delivered projects across five countries including Australia, Ghana, and the Democratic Republic of Congo. We operate in remote, challenging environments where on-the-ground experience matters.
Discuss Your Next Project With us
Every engagement starts with a direct conversation with the principal. No layers, no sales team.