Gubler & Associates

Gubler & Associates is a Sydney-based drainage and land stabilisation consultancy with over 25 years of hands-on industry experience. Specialising in complex sites and heritage properties, the company designs and constructs surface and sub-soil drainage systems tailored to residential, commercial, and agricultural needs. From tunnel access and steep terrain to moisture damage and structural movement, every job is managed directly by the Gubler family to deliver long-term, practical outcomes. Services range from initial site investigations and reporting to full construction, including seawalls, retaining walls, and sports field drainage. Gubler & Associates is fully licensed and insured, with a reputation built on problem-solving expertise and reliable, high-quality workmanship.

Services

• Site diagnostics: visual survey, core drilling, dye tracing, moisture mapping
• Design & build of surface and sub-soil drainage networks, including micro-tunnels
• Land-stabilisation, underpinning, seawalls, engineered retaining walls
• Sports-field, golf-course and agricultural drainage, salinity reduction
• Pre-/post-purchase water-risk reports, insurance & legal consultancy, expert witness

Key plant & equipment

• Trailer-mounted geotechnical drill rig with rotary augers
• Hand-held and pneumatic tunnelling tools for confined sites
• Mini excavators (1–3 t) with trenching, rock-saw and auger attachments
• High-capacity submersible pumps and dewatering systems
• CCTV pipe inspection camera and electronic leak-detection gear