We deliver unparalleled personalised customer service across residential and commercial projects throughout Western Australia.

Quality building & innovative thinking

We have been constructing the highest quality residential and commercial projects for over three decades. Adapting to change and challenges by thinking creatively, accepting possibilities and championing new innovations.

We are in the business of relationships

Underpinning the foundation of every project is a strong client and stakeholder relationship. We measure success not only on project delivery but managing highly proficient client relationships.

Concept to Completion

Offering complete end-to-end project management, we welcome the opportunity to be involved in the early stages of a project, to maximise the impact on overall outcomes and project costs.

Local expertise & delivering excellence

Our team brings invaluable expertise and with our hands-on Directors involved throughout the entire project lifespan. Client’s benefit from our undisputed industry knowledge, creative ideas and highly talented people to construct buildings of excellence.

Covering WA & Award

Spanning every corner of this vast State, Thomas Building are one of the few builders in WA to manage and deliver regional projects, tackling regional challenges and delivering award-winning solutions and projects.

Safety & diligence

Our overarching focus on safety, quality management system and due diligence sets the tone of every construction project from the outset. This ensures thoughtfulness, accuracy and quality underpin everything we do.

Building & enhancing our communities

Through our unique NYFL Thomas Building partnership, we value and support our local Indigenous Australian’s as we continue to innovate, build and enhance our local communities, providing a training platform and job opportunity in the Pilbara & North West Region of WA.

A regional leader

As WA’s leading regional builder, we position our project experience and expertise firmly into the education, hospitality, health, mining, oil & gas, residential and public sectors.


Alan Thomas

Managing Director

Previously, Shareholder and Director of Rapley Wilkinson, Alan has always maintained a “hands on” career having spent many years working on-site and advancing his career through the ranks from Site Manager, Construction Manager and then General Manager.


Alan started Thomas Building in early 2011. Since then, he has successfully delivered projects in Perth, Regional WA, commercial projects including mass housing projects for BHP Billiton, Rio Tinto, Woodside and Yara Pilbara, Government housing ; schools and most recently, The Ranges development in Karratha.

Greg Cran


With over 20 years of Building and Construction experience Greg, in partnership with Alan Thomas, started Thomas Building in early 2011. Greg is a registered builder. Greg offers a wealth of knowledge and experience to Thomas Building and has a demonstrated track record for delivering large complex projects.


Previously, General Manager with Rapley Wilkinson, Greg’s technical knowledge of building is proven in his delivery of projects like BHP’s Hopetoun Village; numerous housing developments in joint venture with Clough Property and numerous Government housing projects.