GEOTECH LTD, New Zealand

What GEOTECH LTD, New Zealand does

GEOTECH Ltd is a privately-owned New Zealand ground engineering contractor delivering specialist services across mining, quarrying, tunnelling, and civil construction. Founded by Anthony Black in the 1990s and formally incorporated in 2000, the company is headquartered in Charleston on the West Coast of the South Island and operates across New Zealand and Australasia. Its offering is organised into six service lines: Tunnelling (portal establishment, excavation, inspection, maintenance, collapse clearance, shotcrete, rock bolting); Drill and Blast (precision and bulk production drilling using an owned emulsion plant and Marini drill systems); Quarrying and Mining (mine development, contract mining, underground services including fire control and shaft recovery); Ground and Slope Stabilisation (rock engineering, rockfall control, slope reinforcement, retaining structures); Extreme, Emergency and Specialised Works (post-disaster remediation including the Kaikoura earthquake response); and Consulting (health and safety compliance, risk assessments, consent preparation).

Revenue is generated through project-based contracts awarded via direct enterprise engagement and competitive tender to a concentrated buyer set spanning government agencies (NZTA, Department of Conservation, Christchurch City Council, NCTIR), energy generators (Meridian Energy, Manawa Energy, Electronet), and mining operators (Solid Energy). Contract values disclosed range from NZ$27,000 (rockmilling) to NZ$30.5 million (Strongman Mine, 2010-2015), with typical multi-year duration and pricing determined by project scope, equipment deployment, and complexity. The company operates a small permanent core of 5 staff, scaling field crews (up to 34 on the Strongman Mine engagement) per project requirement.

The technical foundation rests on a specialist equipment fleet — owned emulsion plant, Marini drill systems for steep-slope operations, Ekart 1500X milling heads, and excavator-mounted drilling systems — combined with a certified workforce holding A-Grade and B-Grade Mine, Quarry and Tunnel Managers Certificates of Competency. The business is relationship-driven, founder-led, and has no disclosed institutional ownership, external funding, or AI/technology platform layer.

Name

GEOTECH LTD, New Zealand

Legal name

GEOTECH Ltd

Website

https://geotech.net.nz

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1–10 employees

Short description

GEOTECH Ltd is a privately-owned New Zealand ground engineering contractor delivering tunnelling, drill and blast, mining, slope stabilisation, and emergency remediation services to government, energy, and mining clients across New Zealand and Australasia.

Ownership category

akta.pro rank

Product category

Geotechnical and Ground Engineering Services

NAICS

Support Activities for Mining (213), Support Activities for Mining (2131), Geophysical Surveying and Mapping Services (541360)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Geotechnical Design, Engineering & Consulting (Analysis, Design, Peer Review) (IMAFAOAK)

akta.pro secondary industries

Tunneling & Underground Geotechnics (Ground Treatment, Support, NATM/SEM Interfaces) (IMAFAOAJ), Geotechnical & Subsurface Engineering Consulting (BPAHAIAB), Earth Retention & Excavation Support (Sheet/Soldier Piles, Diaphragm Walls, Bracing) (IMAFAOAD)

Keywords

• Ground engineering services
• Tunnelling services
• Drill and blast
• Quarrying and mining
• Slope stabilisation

Headquarters

HQ city

Charleston

HQ country

New Zealand

HQ region

Oceania

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Contract Mining and Ground Engineering Services: Project-based contracts for ground engineering solutions including mining, quarrying, tunnelling, and civil construction. Revenue earned through fixed-price contracts and time-and-materials engagements for specialized geotechnical work. Services delivered to mining companies, government agencies, energy companies, and local councils throughout New Zealand and Australasia.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

GEOTECH Ltd delivers specialised ground engineering and geotechnical contracting services across New Zealand and Australasia. The company provides tunnelling, precision and bulk drill and blast, quarry and mine development and management, ground and slope stabilisation, emergency response and disaster remediation, and health and safety consulting. It operates an owned fleet of specialised equipment including an emulsion plant, production and specialist drills, and excavator-mounted milling heads to execute complex projects in extreme and remote environments.

Product overview

Geotech is a ground engineering company offering specialized services through six distinct service lines: Tunnelling (portal establishment, tunnel excavation, maintenance, repairs, and collapse clearance); Drill and Blast (precision and bulk production drilling and blasting); Quarrying and Mining (mine development, contract mining, and underground services); Ground and Slope Stabilisation (rock engineering, rockfall control, and reinforced slope systems); Extreme, Emergency and Specialised Works (emergency response and disaster recovery); and Consulting (health and safety compliance and risk management). These services share common geotechnical expertise and specialized equipment, enabling the company to deliver complex projects across mining, quarrying, and civil construction sectors throughout New Zealand and Australasia.

Differentiator

Problem solved

Functional benefit

Products and services

• Extreme, Emergency and Specialised Works Emergency response and specialised geotechnical services including earthquake remediation, road and slip clearance, earthworks, rock scaling, tunnel repairs, and bulk earthworks benching for infrastructure recovery following natural disasters. Targeted at government agencies, transport authorities, and infrastructure owners needing post-disaster stabilisation.
• Drill and Blast Precision and bulk production drilling and blasting services using an owned emulsion plant and Marini drill systems designed for steep slope operations up to vertical rock faces. Delivered to mining, quarry, and civil construction clients requiring controlled rock excavation.
• Quarrying and Mining Specialist quarry and mine development, management, and contract mining services including exploration drilling, precision drill and blast, bulk production blasting, excavation, rehabilitation, and underground services such as fire control and shaft recovery. Targeted at mining companies and aggregate producers.
• Tunnelling Tunnelling services for mining and civil works including portal establishment, tunnel excavation, inspections, maintenance and repairs, collapse clearance, shotcrete lining, rock bolting, crown raising, invert lowering, vertical boring, ventilation and gas monitoring. Targeted at mining companies, hydroelectric operators, transport authorities, and civil infrastructure clients.
• Ground and Slope Stabilisation Rock engineering design and ground stabilisation services including slope reinforcement, rockfall control, rock scaling, rock milling, rock bolting, meshing, catch fences, shotcrete, soil nails, and engineered retaining structures. Targeted at transport, mining, and infrastructure clients facing unstable terrain or rockfall risk.
• Consulting Health and safety consulting and compliance services including tunnel inspections, risk assessments, consent preparation, safety plans, Principal Hazard Management Plans, environmental management plans, and documented safe work procedures. Targeted at mining, quarry, and civil operators requiring specialist H&S expertise.

Named customers10 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Macmahon Holdings: Australian contract mining and civil infrastructure services company. Directly comparable to Geotech's contract mining, drill and blast, and quarry management offerings, particularly for Australasian mining operators.
• Mastermyne Group: Australian underground mining services contractor providing mine management, roadheading, conveyor installation, and ground support. Comparable to Geotech's underground mining and ground/slope stabilisation work, particularly for coal and metalliferous mines.
• Perenti Global: Australian mining services group (parent of Ausdrill) providing drilling, blasting, and ground engineering services to mining clients across Australasia and globally. Closely comparable to Geotech's drill and blast, exploration drilling, and mining support offerings.
• Tonkin + Taylor: New Zealand geotechnical and environmental engineering consultancy. Comparable to Geotech's consulting and ground engineering lines — both serve NZ infrastructure, mining, and government clients with subsurface and geotechnical expertise.
• Barminco: Underground mining services contractor with capabilities in shotcreting, rock bolting, production drilling, and mine development. Highly comparable to Geotech's underground mining, tunnelling, and ground support services.

Others

• Ventia: Australasian infrastructure services provider with mining, energy, and transport operations. Adjacent rather than directly competitive — comparable in serving the same enterprise/government clients (NZ hydro operators, transport agencies) with infrastructure maintenance services.

Broad incumbents

• Fulton Hogan: Large New Zealand-headquartered civil infrastructure contractor with capabilities across earthworks, drilling and blasting, quarrying, and ground engineering. Overlaps directly with Geotech on NZ civil, quarry, and ground stabilisation work but at materially larger scale and broader scope.
• Boart Longyear: Global drilling services and equipment manufacturer with strong Australasian footprint in exploration and production drilling. Comparable to Geotech's exploration drilling and production drilling capabilities but at substantially larger scale.
• NRW Holdings: Australian diversified mining and civil infrastructure contractor providing drill and blast, earthworks, and mine services. Overlaps with Geotech on mining services, drill and blast, and civil bulk earthworks across Australasia.
• Downer Group: Australasian infrastructure services group providing drilling, blasting, ground engineering, and civil construction across mining, transport, and energy. Competes with Geotech across Australasia but operates at far larger scale with diversified service lines.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/geotech-ltd-new-zealand

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GEOTECH LTD, New Zealand