Brosnan Achieves Triple ISO Certification

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September 28, 2026
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5 min

Brosnan is proud to announce that we have achieved certification to three internationally recognised ISO standards, marking an important milestone in our ongoing commitment to quality, environmental responsibility, and workplace health and safety. These certifications were independently assessed and awarded by GCLInternational Ltd.

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The certifications include:

  • ISO 9001 – Quality Management Systems
  • ISO 14001 – Environmental Management Systems
  • ISO 45001 – Occupational Health &  Safety Management Systems

Together, these standards recognise the strength of the systems, processes, and practices that support how we deliver projects across New Zealand and Australia.

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ISO certification requires organisations to undergo rigorous independent assessment and demonstrate robust governance, effective risk management, performance monitoring, and a commitment to continual improvement. Achieving certification reflects the consistent effort made across our business to operate in line with internationally recognised best-practice standards.

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For our clients, consultants, partners, and stakeholders, these certifications provide confidence that Brosnan operates with proven systems designed to deliver quality outcomes, minimise environmental impacts, and maintain safe and healthy workplaces at every stage of project delivery.

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The certifications also reflect the culture that exists across Brosnan. Our people contribute every day to maintaining the high standards that underpin our work. The result is an organisation focused on accountability, professionalism, and continuous improvement.

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Chief of Risk and Compliance in Operations, Dale Sadler, says the achievement demonstrate the maturity of the systems that support Brosnan's growth and project delivery across both sides of the Tasman.

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“These certifications recognise the commitment our people bring to quality, environmental responsibility, and health and safety every day. They provide an independent validation of the systems and processes that support our projects and reinforce our commitment to continually improving how we operate.”

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This achievement would not have been possible without the leadership of Desai Link and Lawrence Goudie, who directed the certification process, as well as the project teams at Masterton Library and Rydges Queenstown. We also acknowledge the many people across the business who provided information, resources, reports, and support throughout the assessment process.

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Achieving ISO 9001, ISO 14001, and ISO 45001 certification is an important milestone, but it is also part of a broader commitment to continually strengthening our systems, improving our performance, and delivering better outcomes for our clients, communities, and people.

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