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    Key highlights

    A proven industry leader
    Global reach with local expertise

    About Mainmark

    Mainmark is a global leader in ground engineering and asset preservation, dedicated to innovative solutions for site-specific challenges across various sectors.

    Mainmark’s specialised solutions

    Ground Improvement

    Ground improvement modifies a soil’s properties, improving its load bearing capacity or resilience against liquefaction.

    Re-levelling

    We re-level buildings that have experienced subsidence, settlement, or other structural issues leading to uneven floors and foundation cracks.

    Void Filling

    Comprehensive void filling solutions for diverse market sectors, using specialised chemical or cementitious grouts.

    Slab Lifting

    Our non-invasive and cost-effective solution is a safe way of re-levelling concrete slabs with soil settlement or subsidence problems.

    Subsidence

    Cost-effective, non-invasive solutions for subsidence.

    Underpinning Repair

    Resin Injection – The modern alternative to traditional underpinning repairs.

    Sinking Foundations

    We offer the most advanced re-levelling solutions in the market.

    Sinking Floors

    Fast, clean and non-invasive lifting of sinking floors and sinking slabs.

    Re-levelling a 20,000m² Warehouse

    A 20,000 square metre warehouse facility had experienced significant subsidence across its entire footprint, negatively affecting the superstructure and floor slabs.

    The Client engaged Mainmark to develop a suitable solution to restore the superstructure and floor slabs to their original design tolerances and make them fit for purpose.

    Our team

    Meet our highly experienced team

    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

    Adelaide

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    Hobart

    Melbourne

    New South Wales

    Perth

    Queensland

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    Victoria

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    Sectors

    Commercial

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    Infrastructure

    Mining

    Technologies

    Teretek®

    Terefil®

    JOG

    About Us

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    Locations
    Mainmark Sydney

    169 Sailors Bay Rd, Northbridge NSW 2063

     

    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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