About us
Working with us.
Earth Stability was built around the difficult sites — cliffs, coastal margins and properties where machinery cannot reach and the ground has to be understood before it can be made secure. We take each project from first walk-through to finished reinstatement: ground assessment, design, consents, construction and landscaping, so a site is handed back complete rather than simply repaired.
- 10+
- Industry award winner
- 100+
- Cumulative years' experience
- 100%
- New Zealand owned
Our team
The people on your site.
Tim Allen
General Manager
Ryan Jackson
Contracts Manager
Bruce Feldmann
Senior Project Manager
Sam Needham
Works Manager
Moses Goldwater
Works Manager
Quartus du Toit
Works Manager
Gabe Sergeant
Office Manager
Ed Sergeant
Yard & Procurement Manager
Shannon Johnson
Plant Repairs & Servicing
Jessica Sturgess
HSEQ Manager
Access without compromise
Restricted access is our normal working day.
Rope access and abseiling works, man-portable drilling rigs, confined space capability and a purpose-built lightweight barge mean plant and materials reach sites that cannot be reached by conventional means — with minimal disturbance to gardens, driveways and neighbours.
- Rope access / abseiling repair works
- Man-portable and excavator-mounted drilling
- Barge access for coastal sites
- Emergency response during heavy rain events
Health and safety
Proactive, not procedural.
Earth Stability is proactive in the promotion of strong and consistent health and safety practices and quality workmanship within the industry, and keeps abreast of all industry standards.
- ISO 45001 Health & Safety
- ISO 9001 Quality
Environmental responsibility
Sensitive ground, carefully handled.
With the majority of our projects taking place within environmentally sensitive and geologically significant landscapes, we consider our work an important part of protecting New Zealand's coastline and sea wall defences. Earth Stability is ISO 14001 accredited and maintains strict environmentally sensitive policies, techniques and practices for this accreditation.
Services offered
The full range.
- Slip repairs
- Soil nailing
- EQC / NHC slip repairs
- Rock bolts
- Ground anchors
- Rock fall protection systems
- Micropiles & underpinning
- Drilled horizontal drainage
- Shotcrete solutions
- Grouting
- All types of drilling — small to large diameter
- Emergency response work during heavy rain events
- Cliff and slope reinforcement and strengthening
- Retaining walls
- Landscaping
- Rope access / abseiling repair works
- Descaling of loose rubble and vegetation
- Planting of slopes
- Foundation supports & shoring
Discuss your site, in confidence
Every property is different. We visit, assess the ground, and set out the options — including consenting, construction and reinstatement — before any commitment.