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ABOUT QCost

About QCost Consultants

QCost Consultants is an independent construction cost consultancy providing expert quantity surveying, commercial advice, and dispute support across Australia.
We support developers, builders, architects, and legal professionals with clear, practical advice to help them control costs, manage risk, and deliver successful project outcomes.
Our approach combines technical expertise with real-world commercial insight, ensuring our advice is both accurate and relevant to the challenges of modern construction projects.

Our Mission

To provide independent, commercially focused cost advice that supports better decision-making and the successful delivery of building and infrastructure projects.
We are committed to delivering clear, reliable, and value-driven solutions that help our clients achieve certainty, control, and confidence in their projects.

 

Meet the Team

Buddhika Jayatillake (Jay) – Director & Principal Consultant

 

Buddhika Jayatillake (Jay) is the Founder and Managing Director of QCost Consultants, with over 30 years’ experience in quantity surveying, construction cost management, and commercial advisory across Australia and internationally.

Jay provides independent, commercially focused advice on complex projects, supporting clients in cost planning, contract management, and construction disputes.

As a Chartered Quantity Surveyor and Chartered Construction Manager, Jay is recognised for delivering clear, defensible, and commercially sound advice across all stages of the project lifecycle.A Master of Business Administration (MBA) from the University of Durham, UK

 

  • Master of Business Administration (MBA), University of Durham
  • Bachelor of Science (Honours), Quantity Surveying
  • Fellow of the Royal Institution of Chartered Surveyors (FRICS)
  • Fellow of the Chartered Institute of Building (FCIOB)

  • Fellow of the Australian Institute of Quantity Surveyors (FAIQS)

  • Certified Quantity Surveyor (CQS)

 

Our People

At QCost Consultants, we work with professionally qualified and highly experienced Quantity Surveyors who bring deep industry knowledge and technical expertise to every project.
Our team provides independent, high-quality advice supported by recognised professional accreditations and a commitment to integrity, accuracy, and client-focused delivery.