Who We Are
Comprehensive Cost Consultancy & Quantity Surveying Across Australia
RBB Quantity Surveyors & Cost Consultants
RBB (Ralph Beattie Bosworth) is one of Australia’s leading Quantity Surveying and Cost Consultancy firms, proudly established in 1968. With offices in Perth, Melbourne, and Darwin, we provide independent, strategic cost advice across commercial, residential, government, and infrastructure sectors nationwide.
As Western Australia’s largest independent Quantity Surveying practice, our legacy spans more than five decades. We have supported landmark developments, shaped city skylines, and helped clients achieve financial clarity at every stage of construction.
Our experience extends beyond traditional projects. We regularly support defence, remote infrastructure, and specialist facilities, where precision, innovation, and commercial accountability are essential.
Our Commitment
We are dedicated to meeting client expectations with the highest standards of safety, quality, and transparency. Every project is overseen by a company Director, ensuring accountability and expert guidance from start to finish.
RBB maintains an accredited AS/NZS ISO 9001 Quality Management System, and our professionals are certified by AIQS and RICS. Our team combines local insight with global experience, supported by advanced tools and technologies that deliver fast, accurate, and scalable solutions.
What We Do
RBB offers a full spectrum of Quantity Surveying and Cost Consultancy services tailored to the evolving needs of Australia’s construction industry.
We provide objective advice to help clients:
- Budget accurately
- Monitor and control costs
- Manage timelines
- Make informed financial decisions
Our expertise includes cost planning, contract administration, financial reporting, and strategic forecasting. We also deliver specialist services in taxation, insurance, and body corporate support, helping stakeholders plan effectively and protect long‑term asset performance. For a detailed breakdown of our capabilities, visit our Services page.
Our Reach
With offices in Perth, Melbourne, and Darwin, RBB supports projects across major cities and remote regions. Our national footprint allows us to deliver consistent, high‑quality service wherever our clients need us, from city towers and regional hospitals to defence facilities in remote Australia.
Discover RBB’s long-standing legacy in cost planning, contract administration, and infrastructure support, trusted by government and private sectors since 1968.