Precision Underground
Power Above
Sydney and regional NSW’s trusted specialist in demolition, excavation, and earthworks. Backed by ISO-certified safety, modern equipment, and a proven track record across residential and commercial construction.
High Group
Demolition | Excavation
Experience-Driven. Results-Focused.
High Group is a Sydney-based specialist contractor delivering demolition, excavation, and earthworks across residential and commercial construction. With a proven track record from inner-Sydney suburbs to regional NSW, we combine skilled operators, modern plant, and rigorous ISO-backed safety protocols to deliver every project on schedule and within budget.
From schools and aged care facilities to high-rise apartments and commercial warehouses — we bring precision to every job, no matter the complexity.
Delivering Across
Sydney & Regional NSW.
From Rooty Hill to the Blue Mountains, from Mosman to Sylvania — our portfolio speaks for itself.
Built for Every Stage Every Stage of the Ground.
Three core disciplines. One accountable team.
Demolition
Structural, selective, and heritage-sensitive demolition delivered with precision and zero compromise on safety.
Excavation
Bulk and detailed excavation for residential foundations, basements, and large-scale commercial sites across Sydney.
Earthworks
Comprehensive cut and fill, land clearing, and site preparation — the groundwork your project deserves.
Every Job Every Detail On Site
From environmental compliance to heavy machinery — watch how we work.
ISO-Certified. Fully Compliant.
We hold ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Safety) accreditations — among the few specialist demolition contractors in NSW to carry all three.
Modern Fleet. No Delays.
Our diverse, well-maintained fleet of excavators and a 12-truck haulage operation means we mobilise fast and keep your programme on track.
Asbestos-Capable.
Fully licensed for asbestos identification and removal — a critical capability for older Sydney residential and commercial sites.
Experienced Operators. Clear Communication.
Our licensed operators and project managers work closely with builders, architects, and site managers — keeping you informed at every stage.