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LEADERS IN
TUNNELLING, MICRO TUNNELLING
AND PRIMARY INFRASTRUCTURE WITH
OVER 30 YEARS OF
EXPERIENCE

Welcome

As a niche subcontractor serving tier-one projects, Substrata Group operates with a holistic approach to project management, offering a wide range of specialised services. We aim to collaborate with other subcontractors to deliver comprehensive project works, services, and management. We are open to lump-sum contracts, joint ventures, alliances, and collaborations on tier-one projects.

01

Our Mission

Our objective is to deliver exceptional services in the tunnelling, micro-tunnelling, and renewables sectors, ensuring the highest levels of satisfaction for our clients and stakeholders.
02

What we Offer

Substrata Group is a leading underground works subcontractor, specializing in expert supervision, skilled labour, and advanced services, including polyurethane crack injection, shaft sinking, micro TBM operations, pipe jacking, cross passage works, drilling, and rock bolting. Our mechanical services team utilizes state-of-the-art autonomous electric equipment, driving innovation and operational efficiency.
03

Our Approach

Our philosophy is to deliver the highest level of service to our clients and stakeholders from conception to completion. We achieve this through a fully trained and motivated workforce, coupled with continuous investment in cutting-edge technology and equipment.
04

Guiding Principles

We guide our relationships with clients, stakeholders, investors, and employees according to Substrata’s core values: Transparency, Accountability, Collaboration, Trust, Innovation, Value, Excellence, and Sustainability.

Our Values

Identify

Constantly seeking opportunities for improvement and innovation.

Responsibility

Upholding our commitments with integrity and excellence.

Respectful

Cultivating a culture of honesty, encouragement, and collaboration.

Entrusted

Driving change through innovative thinking and empowering our people.

Safeguard

Committed to safety with an uncompromising Zero Harm approach across all our operations.

Our Services

As a trusted leader in the underground construction industry, Substrata offers a comprehensive suite of specialised services to meet all your infrastructure needs. With decades of hands-on experience and a team of seasoned experts, we provide industry-leading solutions for a diverse range of projects – from small-scale maintenance tasks to large-scale, complex infrastructure developments.

Our Projects

Substrata has a proven track record of delivering exceptional results on some of the most complex and high-profile underground construction projects in the country. Our team of seasoned experts has collaborated with industry leaders to overcome unique challenges and bring these transformative infrastructure initiatives to life.

Our Clientele

Substrata Group, led by Andrew Predika, is founded on decades of trusted relationships with global industry leaders including Acciona, Lendlease, CPB Contractors, Gamuda, John Holland, Snowy Hydro 2.0, Newcrest, Transurban, Alstom, North Parkes Mines, Thiess, Transfield Obayashi, Costerfield Mine, and AKT Mining Indo. These esteemed organizations have long benefitted from Andrew’s expertise through his previous projects and ventures. Now, Substrata leverages this extensive experience to deliver an unwavering commitment to stakeholder success, quality, safety, innovation, and efficiency. Partnering with Substrata Group means accessing a legacy of world-class expertise and cutting-edge capabilities that these premier companies have relied on for their most critical tunnelling and infrastructure projects. Together, we help clients achieve their sustainability goals..

TALK TO US
ABOUT YOUR
NEXT PROJECT

We look forward to discussing potential
opportunities and showcasing our capabilities.