About Us

About Integra Consultants Pty Ltd

Integra Consultants Pty Ltd (IC) is a specialised civil and geotechnical engineering consultancy committed to delivering innovative, safe, and cost-effective solutions for complex ground and infrastructure challenges.
At Integra, we blend advanced engineering analysis with hands-on construction experience, ensuring every project is executed with precision, reliability, and a strong emphasis on long-term performance.
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Our Expertise

We have a proven record of success across government, infrastructure, commercial, and residential sectors.

What We Specialise In

Our engineers are accredited C4 and G4 competency holders, qualified to perform design and Independent Technical Reviews in accordance with industry standards. Combined with our team of highly qualified PhD researchers, Chartered Engineers (CPEng), and RPEQ-registered professionals, we provide assessments and certifications that government agencies, regulators, and clients can trust.

Values we live by

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Our Approach

At Integra Consultants, we believe effective engineering is not just about design — it’s about integration, collaboration, and delivery excellence. We apply a state-of-the-art project management methodology to ensure efficiency, transparency, and accountability at every stage. This structured yet flexible approach enables us to deliver projects that meet technical requirements, stakeholder expectations, and sustainability objectives.

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Our Commitment

We are driven by the values of technical integrity, client partnership, and continuous improvement. Whether designing complex SEA of Sydney Water assets, undertaking ground-structure interaction analyses, or providing independent reviews, Integra Consultants brings a combination of deep technical insight and real-world practicality to every assignment.

Integra Consultants — Engineering solutions with precision, reliability, and integrity.

Our Leaders

Tim Orr is a highly experienced leader with more than 35 years of diverse industry experience spanning the military, banking, consulting, and construction sectors. As the Chairman of Integra Consultants and Managing Director of MESO Solutions Pty Ltd, Tim brings unmatched practical insight into ground and in-ground construction systems, bridging the gap between field execution and engineering design.
Renowned for his strategic thinking, innovation, and change management expertise, Tim has successfully led teams through complex challenges, introducing systems that improve safety, efficiency, and performance. His deep practical knowledge of shoring, dewatering, and ground engineering operations enables Integra to complement advanced theoretical analysis with proven field-based understanding—ensuring that every design is robust, buildable, and commercially practical.
Tim’s leadership philosophy is built on collaboration, innovation, and precision, shaping Integra’s culture of delivering safe, cost-effective, and constructible solutions for complex ground and infrastructure projects.
Tim Orr

Tim Orr

Chairman
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Dr. Tanvir Hossain

Managing Director
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Dr. Tanvir Hossain founded Integra Consultants, bringing with him over 27 years of civil and geotechnical engineering experience in Australia and internationally. In addition to leading Integra, he has held senior roles at Transport for NSW, Canterbury-Bankstown Council, and Austroads, contributing to the development of national infrastructure and research programs.

With prior experience at the United Nations, Military and teaching at the University of Sydney, Dr. Tanvir has been involved in numerous civil and geotechnical design projects, as well as several landmark projects including the Hume Highway pavement design, Rozelle Interchange tunnel projects, the National Heavy Vehicle Driver Competency Framework design, and the Australia–New Zealand Roads Capability Analysis Project.

Recognised as a G4 and C4 accredited professional with Sydney Water, Registered Design Practitioner (NSW), Chartered Engineer (Engineers Australia), and RPEQ (Queensland), he is renowned for his capability in advanced 2D/3D Finite Element analysis and design optimisation.
Dr. Tanvir has built Integra into a trusted and forward-thinking consultancy known for clarity, compliance, and practical solutions that last. He continues to lead the company’s growth—expanding its multidisciplinary capability and mentoring the next generation of engineers.
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