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    Mainmark Maintains ISO 9001, ISO 14001 and ISO 45001 Certification

    Mainmark is proud to maintain certification to ISO 9001, ISO 14001 and ISO 45001, reaffirming our commitment to quality, environmental responsibility, and the health and safety of our people, clients and communities.

    These internationally recognised certifications reflect the strong systems, processes and standards embedded across our business every day. They underpin the way we work across all areas of the organisation, helping ensure we consistently deliver high-quality outcomes, manage risk effectively, protect our people and minimise environmental impact.

    Maintaining certification to these standards demonstrates more than compliance. It reflects a culture of accountability, continuous improvement and operational discipline that supports the delivery of Mainmark’s specialised solutions across a range of sectors and environments.

    For our clients, it provides added confidence that Mainmark brings not only technical expertise and innovation to every project, but also the robust systems and responsible practices required to deliver safe, reliable and high-quality outcomes.

    This is a strong achievement for our team and one we are proud to uphold as we continue to deliver trusted, innovative and responsible solutions.

    Resources

    ISO Certifications

    ISO 9001
    ISO 14001
    ISO 45001
    Mainmark

    © 2026 The Mainmark group of companies. ‘Mainmark®’, ‘Terefil®’, ‘Terefirm®’ and ‘Teretek®’ are trademarks of the Mainmark group of companies.

    Mainmark Ground Engineering Pty Ltd
    ABN: 51 606 182 503

    ISO 9001
    ISO 14001
    ISO 45001

    Solutions

    Ground Improvement

    Subsidence Repair

    Re-Levelling

    Void Filling

    Slab Lifting

    Crack Wall Repair

    Sinking Floors

    Sinking Foundation Repair

    Underpinning Repairs

    Locations

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    Locations
    Mainmark Sydney

    Level 7/124 Walker Street, North Sydney NSW 2060

     

    Mainmark Melbourne

    Unit 8, 33 Rosalie Street, Springvale VIC 3171

    Mainmark South Australia

    19 Heath St, Lonsdale SA 5160

    Mainmark Queensland

    20 Computer Road, Yatala QLD 4207

    Mainmark Perth

    115 Excellence Dr, Wangara WA 6065

    Mainmark Tasmania

     4/11 McRorie Court Cambridge TAS 7170

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