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Mainmark Australia

Overview

Re-levelling Experts for Homes & Buildings

Mainmark specialises in re-levelling buildings that have experienced subsidence, settlement, or other structural issues leading to uneven floors and foundation cracks.

The pioneers of Resin Injection technology in Australia.

Founded In 1989 by Philip Mack following the earthquake that affected Newcastle, Mainmark quickly established itself as a local industry leader in tailored earthquake repair and remediation solutions. When the work in Newcastle concluded, the company ventured into new territory and began using our specialist grouting techniques elsewhere. This proved to be a catalyst for the future of Mainmark.

Since then, Mainmark has diversified and expanded to offer specialised above and below-ground engineering and remedial services.

Philip’s commitment to excellence and family values never changed, and these qualities drove Mainmark growth spanning over 30 years. He believed in getting the job right the first time, with careful planning to ensure the structure was correctly understood and remediated. This same ethos continues today and into the future.

As Australians leading ground engineering and asset preservation company, we draw on over three decades of experience and knowledge in leading, developing and delivering the most advanced and accurate ground improvement, re-levelling, underpinning, cracked concrete, cracked walls, sunken foundations, sinking foundations, subsidence, slab jacking and void-filling solutions across residential, commercial, infrastructure and mining With extensive portfolio of completed projects across Australia, New Zealand, Japan, and the United Kingdom we have achieved a global reputation for delivering innovative solutions to some of the most iconic projects worldwide, earning us international recognition as an award-winning ground engineering organisation

https://mainmark.com/sydney-underpinning-house-re-levelling-subsidence-experts/

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Technologies

Find out more about our re-levelling technologies

Teretek® Resin Injection

Learn more about Teretek®

JOG

Learn More about JOG

Key Features

Benefits of Mainmark’s Technologies

Surgical

No excavation required and non-invasive to building occupants or operations.

Scalable

Equipment suited to small and large-scale projects.

Controlled

The lift is gentle on the structure, incrementally lifted back to level.

Clean

No mess, and little impact on hard and soft landscaping and internal slabs.

Why Choose Mainmark?

The Mainmark Difference

Pioneers Of Resin Injection

Founded in 1989, Mainmark pioneered Resin Injection technology in New Zealand.

Iso Accreditation

Mainmark is proud to have achieved and maintained our ISO Accreditation since 2017.

Guaranteeing risk mitigation and operational excellence.

Award-Winning Ground Engineering Company

Delivering the world’s most advanced, innovative and accurate ground engineering solutions and technologies.

Global Reach with Local Expertise

Where global experience, innovation and technical knowledge, meet to deliver dynamic local expertise.

50 Year Product Warranty

We offer an exceptional 50-year product warranty for your peace of mind.

Mainmark Reviews

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Mainmark

© 2025 The Mainmark group of companies. ‘Mainmark®’, ‘Terefil®’, ‘Terefirm®’ and ‘Teretek®’ are trademarks of the Mainmark group of companies.

Mainmark Ground Engineering (NZ) Ltd

ISO 9001
ISO 14001
ISO 45001

Solutions

Ground Improvement

Subsidence Repair

Re-Levelling

Void Filling

Slab Lifting

Crack Wall Repairs

Sinking Floor and Slab Repair

Sinking Foundation Repair

Underpinning

Soil Replacement

Specialties

Commercial

Residential

Seismic

Technologies

Teretek®

Terefil®

JOG

About Us

Our team

Careers

Media & Press

News

Awards

Contact

Locations
Mainmark Auckland

50 Parkway Drive, Rosedale, Auckland 0632

 

Mainmark Christchurch

2 Baigent Way, Middleton, Christchurch 8024

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