Justin O’Callaghan

Principal  |  Construction and Infrastructure

(07) 3014 6502

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Justin is a great communicator who helps clients to create value by identifying and closing opportunity gaps to change the game.

Justin is a transactional lawyer specialising in construction, infrastructure, energy and resources. With extensive experience in leading complex, high-value engagements, he advises general counsels, in-house and executive teams on business-critical mandates.

He represents leading private and government clients throughout Australia. His clients include development companies, energy and resources companies, EPC contractors, and infrastructure project sponsors and participants. He is recognised by clients for his collaborative and commercial approach and excellent communication skills.

Justin has undertaken executive education in leadership and management at Harvard Business School, is a member of the Society of Construction Law Australia, and has been recognised in Best Lawyers for Construction / Infrastructure Law since 2020.

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Key Specialisations

Construction and Infrastructure


Bachelor Of Science (Psychology), The University Of Queensland
Bachelor Of Laws, The University Of Queensland
Master Of Laws, Queensland University Of Technology

Community Involvement

Member, Society Of Construction Law Australia
Member, Queensland Law Society

Justin o'callaghan's experience

Justin works closely with leading clients in the government and the private sectors. He provides strategic advice in relation to construction, infrastructure, energy and resources projects. Justin’s excellent communication skills and collaborative approach allow him to add value to clients in relation to all forms of project documentation, including the structuring, development and negotiation of traditional hard risk contracts, relationship contracts, as well as hybrid contract structures.

Working hand-in-hand with clients, Justin’s experience includes working on landmark city developments, major Australian infrastructure and energy projects (including renewables projects) across the country.

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Justin O’Callaghan's insights

Unfair Contract Terms Law Reform – The 3 Key Changes Businesses Need To Watch Out For
How Will the 2021-22 Federal Budget Affect You?
The Unfair Contract Terms Regime – Does It Protect You?
Agreements and Deeds – Aren’t They The Same?

August 26, 2019


Whistleblower Laws Update
Corporate And Financial Penalties Update

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Get in touch with Justin O’Callaghan today


(07) 3014 6502