About Us

We take a pragmatic and practical approach to assist you.

W. Wightman Advisory is highly experienced in building effective business systems. We have an in-depth, technical understanding of Australia’s legal and regulatory environment, with extensive experience in a wide variety of areas.

Our team has a proven track record in best-practice service delivery, particularly around regulatory strategy which supports commercial objectives. 

Notable projects include: 

– Museum of Underwater Art (Project Management) 

– Ergon Energy (Cheepie to Barcaldine Gas Pipeline; Project Management) 

– AAM (Regulatory and corporate assistance)

– CopperString2 (Regulator, compliance and reporting advice) 

– Teachers Mutual Bank (Regulatory and compliance assistance to ASIC) 

– Harvest Property (Compliance and regulatory services and liasion with ASIC)


W. Wightman Advisory established

Liam O’Brien

Liam O’Brien

Principal Director

W. Wightman Advisory’s Liam R. O’Brien draws on a wealth of governance, risk and compliance experience. Liam has worked for some Queensland and Australian icons including, QR Limited, Suncorp and SAI Global. Liam has applied for, attained and managed, a number of Australian Financial Services Licenses and Australian Credit Licenses, including for EnergyNQ (wholesale energy derivative), Social Investment Australia (managed investment scheme) and Foresters Community Finance (consumer and organisational credit).

He has provided subject matter expertise and lectures to universities and industry/professional bodies. He was a former Director of the Australasian Compliance Institute (now GRC Institute), is currently Chair of Foresters Group Compliance Committee, Chairman at Help Me With It, President of the Tattersalls Shooters Club, and a Senior Consultant for GRC Solutions. Liam is also studying for his Master of Applied Finance through KAPLAN.

John O’Brien

John O’Brien


John has worked for over 40 years as a professional engineer and businessman holding executive‐level roles in both the public and private sector for utilities and advisory firms. John’s specific roles have included participation in Australian and international energy markets, projects and operations.

Over the last 20 years John has founded a number of highly successful consulting businesses providing strategic advice on both energy markets and electricity infrastructure to major utility and resources companies. CopperString, the largest single electricity network project in Australia, was founded by John and was designed to open up the sustainable resources corridor between Townsville and Mt Isa.

John also has investments in a number of significant energy and resources related project developments, and has played an active role in the economic development planning for northern Queensland. John travels extensively to provide strategic advice, business input and thought leadership across Australia and internationally.

We Believe

The true value of risk and compliance is creating certainty of organisational outcomes.