Luke O’Callaghan

Luke O’Callaghan

Luke is an experienced corporate and commercial lawyer with a particular focus on private M&A across a wide range of sectors, energy and resources and competition law matters.

Luke advises clients across Government and non-Government sectors, power and gas, agribusiness, mining and resources, property, employment services, vocational training and the not-for-profit sector.

He acts for clients across a range of conventional and new utility and energy matters, spanning project development, transactional matters (including private M&A in the energy and resources space) and general advisory.  This includes a focus on Western Australia’s power and gas sectors, principally across regional power, wholesale market matters, network access, alternative fuels (including hydrogen project development), climate change and carbon, and new energy matters, including microgrid developments.  Luke’s experience acting for a range of energy sector participants, including during extensive sector-wide reform programs has enabled Luke to develop a pragmatic and responsive approach, paired with the benefit of deep industry knowledge. 

Luke advises clients on a range of competition and consumer law matters, including in relation to merger clearance, collective bargaining and a range of matters in the context of Part IV of the Competition and Consumer Act 2010 (Cth).  He also regularly advises on Australian Consumer Law matters, frequently in the context of the energy sector. 

He also frequently acts for acquirers and sellers in the context of business disposals, acquisitions and mergers with an emphasis on mid-market transactions. 

Direct  +61 8 9288 6843
Mobile  +61 402 094 106
Fax  +61 8 9288 6001

Competition & Regulation
Corporate Services
Energy & Infrastructure
Mining & Resources


Bachelor of Laws (Hons), University of Sydney (2008)

Bachelor of Arts, Australian Catholic University (2000)

Graduate Diploma in Legal Practice, College of Law (2008)

Legal Practice Management Course, College of Law (2019)


Supreme Court of New South Wales (2008)


Australian Institute of Energy

Law Society of Western Australia