Accreditation
Industry recognised standards backed by nearly 100 years of experience.
Established 1927
ISO 9001 & 45001 Accredited
Family Owned
Award-Winning
Trusted Brand
Quality, Safety and Accountability
At Duggans, quality workmanship and workplace safety are not just priorities; they're built into everything we do.
Our accredited management systems provide clients with confidence that projects are delivered using proven processes, consistent quality standards and a strong commitment to workplace health and safety.
From our operating, manufacturing and production activity, right through to internal administrative processes & procedures, our team follows recognised systems designed to deliver safe, quality and reliable outcomes across every aspect of our business.
Why Accreditation Matters
Choosing an accredited contractor provides confidence that systems, procedures and quality standards are independently assessed and continuously maintained.
For clients, this means:
Consistent Quality
Workplace Safety
Compliance & Governance
Risk Management
Continuous Improvement
Trusted Industry Standards
Industry Recognised Standards
Maintaining recognised systems that support quality, safety and operational excellence.
Duggans maintains accredited management systems that demonstrate our commitment to delivering quality outcomes while prioritising the safety of our employees, clients and the wider community.
ISO 9001:2015 Quality Management System
ISO 9001 is an internationally recognised quality management standard designed to ensure organisations consistently deliver products and services that meet customer and regulatory requirements.
This accreditation demonstrates Duggan's commitment to the following:
- Delivering consistent quality outcomes
- Continuous improvement across operations
- Customer satisfaction and service excellence
- Effective management systems and processes
ISO 45001:2018 Occupational Health & Safety Management System
ISO 45001 provides a structured framework for identifying, managing and reducing workplace health and safety risks.
This accreditation supports:
- Proactive workplace hazard management
- Reduced risk of incidents and injuries
- Strong safety culture across the business
- Employee involvement in safety practices
- Continuous improvement of WHS systems
- Compliance with relevant legislation and standards
Certification Documents
View and download our current accreditation certificates below.
Accreditation FAQs
Q: Why is accreditation important when choosing a contractor?
A: Accreditation provides confidence that recognised systems and procedures are in place to maintain quality, safety and compliance across every project.
Q: Are Duggans accreditations independently audited?
A: Yes. Accredited management systems are subject to ongoing external audits and reviews to ensure compliance with required standards.
Q: Do these standards apply across all Duggans divisions?
A: Yes. Our quality and safety systems support operations across civil construction, quarry products, premixed concrete and precast concrete manufacturing, as well as internal processes and procedures.
Ready to Get Started?
Talk to the Duggans team today about your next project across Southern Tasmania.






