Residential – Civil – Commercial – Infrastructure

Alliance Geotechnical Pty Ltd is an established and highly respected Geotechnical and Environmental consultancy firm with a proven track record in delivering and exceeding our client’s expectations.

Our professional team of Geotechnical & Environmental engineers, engineering geologists, environmental scientists and laboratory staff have a wealth of knowledge of ground conditions throughout Sydney and New South Wales. This gives us the ability to see the big picture and identify and address potential issues with innovative thinking, best practices, and common-sense solutions.

Time delays prior to or during construction can end up being very expensive, we understand this and provide Geotechnical & Environmental Consulting and Testing Services with a view to getting the project started and keeping it moving forward.

Operating since 2003, we currently have more than 100 employees and have established our office and testing laboratory in Seven Hills, New South Wales.

  • Residential - Civil - Commercial - InfrastructureGeotechnical & Environmental Solutions
  • Avoid approval, design or construction delays Time is money, we get it
  • The right information to make the right decisions Essential for cost effective design
  • Environmental solutions ‘from start to finish’ We help navigate and simplify the process


Time delays in planning approvals or during construction can end up being very costly. We understand this and are here to help. We provide engineering support during…


Our environmental consulting team provide a wide range of environmental services in Sydney and across NSW. We help simplify what can sometimes be complex process to avoid…


Our specialty laboratory staff are industry leaders in this commercial sector that provide cutting edge geomechanical and geoenvironmental testing services for design, mining, construction and research…

Seven Hills Head Office and Laboratory
Office Phone:      1800 288 188 
Office Email:
Office Address:   10 Welder Road, Seven Hills, NSW, 2147
Postal Address:   PO Box 275, Seven Hills, NSW, 1730

Northern Beaches Office
Office Phone:      1800 288 188 
Office Email:
Office Address:   Warriewood – Northern Beaches, NSW, 2102

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