If you’re awarding multi-million-dollar infrastructure contracts, you need to be sure your partners will deliver. If you work with us, you can be certain about our breadth of experience, technical know-how, and reliability to supply as specified and on time. It’s all in the planning.


With our broad experience and wide-ranging in-house skill sets, plus the backing of our fully owned and operated fleet of plant and equipment, we’re well equipped to deliver major projects with our internal workforce. But if we do need extra hands, our long-term subcontractor relationships also help us to maintain the quality we’re known for.


Our proven track record of over forty years speaks volumes. From humble beginnings, we’ve grown in size and experience. Our project portfolio demonstrates our ability to deliver complex, community-changing projects, while maximising the benefits for those around us.

  • AUSTROADS – R5, B4, 150+
  • Traffic Management Registration Scheme
  • Office of the Federal Safety Commissioner
  • Queensland Building and Construction Commission no. 1307Q11
  • ISO Safety Accreditation 45001
  • ISO Quality Accreditation 9001
  • ISO Environment Accreditation 14001


The safety and wellbeing of everyone involved in our projects is central to everything we do. No exceptions. We operate under a certified occupational health and safety management system, which complies with the requirements of ISO 45001:2018 and is accredited by OFSC.

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Our commitment to workmanship is a hallmark of our business. Quality is governed by a certified quality management system, which complies with the requirements of ISO 9001:2015.

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We take our obligation to future generations seriously, and we’re committed to operating under a certified environmental management system in compliance with the requirements of ISO 14001:2015.

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Bielby Holdings has held membership with the Infrastructure Sustainability Council (ISC) since 2016. We have had several projects registered with the ISC Rating Scheme which drives improvements in environmental, social and economic project outcomes. Through the implementation of our management system we have attained ‘Excellent’ and ‘Leading’ ISC Ratings with qualified staff responsible for leading sustainability practices throughout our business.

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Social Performance

We’re committed to ensuring our business delivers genuine and lasting benefits for our clients, partners, supply chain and the communities we operate in. We achieve this by maximising local procurement, employment and training opportunities, upskilling, supply chain, sponsorships and in-kind support.

Diversity & Inclusion

Our family culture benefits from working with a diverse range of people, both for our project delivery and overall business performance, and society at large. We’re committed to equal employment opportunities, and pride ourselves on providing an open environment for all groups within our society. Our employees are selected on a ‘best for role’ basis, irrespective of race, religion, gender, disability or sexual persuasion.

Delivery Models

We deliver complex and challenging projects across the delivery spectrum, from design and construction or construct only, to early contractor involvement, hard dollar, alliance, and collaborative contracting. We’re known for collaboration and finding innovative solutions that result in significant cost and program savings, and optimised functional and whole-of-life outcomes, regardless of the procurement and contracting model.

Plant & Equipment

Our plant fleet consists of late model, strategically sourced, GPS guided machinery, ensuring we work safely, efficiently, economically and sustainably. Where possible, the fleet includes tier four or five power plants, to minimise emissions.

Innovation and Value Adding

We look for innovative solutions, cost and time savings, without risking safety, prior to even winning the contract. We build value and functionality into all aspects of our work by working collaboratively with clients, designers and stakeholders.

Australian Owned Contractors
Australian Owned Contractors
Civil Contractors Federation
Civil Contractors Federation
Queensland Major Contractors Association
Queensland Major Contractors Association
National Association of Women in Construction
National Association of Women in Construction