Tetra Tech Coffey

What Tetra Tech Coffey does

Tetra Tech Coffey is the Asia Pacific consulting and engineering subsidiary of Tetra Tech Inc. (NASDAQ: TTEK), operating across Australia, New Zealand, and Papua New Guinea with approximately 550 employees distributed across 13 offices (7 in Australia, 5 in New Zealand, and 1 in Papua New Guinea). The firm delivers specialist technical services across geotechnical engineering, environmental consulting, civil and structural engineering, occupational health and safety, project management, decommissioning, mining advisory, infrastructure, water, energy, defence, and digital/geospatial analytics, operating under the parent company's "Leading with Science" methodology brand.

The company's technical stack centers on advanced groundwater modelling (including analytic element methods), bespoke GIS and ArcGIS-based geospatial platforms, tunnel engineering theory, contaminated site assessment protocols, and quantitative occupational hygiene instrumentation. The business model is project-based professional services sold via competitive tenders and multi-year framework agreements, primarily to government transport and infrastructure authorities, water utilities, defence agencies, and large private-sector contractors and developers across ANZ and PNG. Engagement structures include design consultancies, construction-phase supervision, environmental impact assessments, and remediation delivery — typically priced on time-and-materials or fixed-fee project milestones against multi-year contract horizons.

Tetra Tech Coffey functions as the APAC delivery arm of a globally diversified parent with 25,000+ staff, which provides cross-border technical resourcing, multinational client access, and capital backing. The subsidiary shares the parent's brand, quality systems, and security clearances for defence work, and is positioned to participate in major ANZ infrastructure pipelines including the Brisbane 2032 Olympics programme and cross-Tasman energy interconnectors.

Name

Tetra Tech Coffey

Legal name

Tetra Tech Coffey Pty Ltd

Website

https://tetratechcoffey.com

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Tetra Tech Coffey is the Asia Pacific consulting and engineering arm of Tetra Tech Inc., providing geotechnical, environmental, infrastructure, water, energy, defence, and geospatial advisory services to government and enterprise clients across Australia, New Zealand, and Papua New Guinea.

Ownership category

akta.pro rank

Product category

Engineering Consulting Services

NAICS

Engineering Services (54133), Engineering Services (541330), Environmental Consulting Services (54162), Testing Laboratories and Services (54138)

SIC

Services-Engineering Services (8711), Services-Testing Laboratories (8734), Hazardous Waste Management (4955)

akta.pro primary industry

Systems Engineering & Technical Program Management (BPAHAIAI)

akta.pro secondary industries

Environmental Compliance, Monitoring & Field Services (Sampling/IAQ/Inspections) (IMAIAGAF), Hazardous Waste Handling, Transport & Disposal (RCRA/TSDF) (IMAIAGAC)

Keywords

• Geotechnical engineering services
• Environmental consulting services
• Contaminated land remediation
• Project management consulting
• Infrastructure engineering services

Headquarters

HQ city

Chatswood

HQ country

Australia

HQ region

Oceania

Offices13 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales, Others

Revenue model

1. Professional Consulting and Engineering Services: Tetra Tech Coffey generates revenue by providing specialist consulting and engineering services on a project basis. Services include geotechnical investigations and consultancy, environmental assessments and remediation, project management, civil and structural engineering, digital and geospatial solutions, and occupational hygiene services. Projects range from site-specific assessments to large, multi-year infrastructure programs, with revenue derived from professional fees, technical service charges, and project delivery contracts.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Tetra Tech Coffey is a consulting and engineering services firm delivering specialist geotechnical engineering, environmental consulting (including contaminated land and PFAS assessment), project management, civil and structural engineering, digital and geospatial (GIS) solutions, occupational hygiene, and decommissioning services. It supports government agencies, mining companies, property developers, and energy/utilities clients on infrastructure, resources, and development projects across Australia, New Zealand, and Papua New Guinea. Services span the full project lifecycle from feasibility and investigation through design, construction support, and compliance.

Product overview

Tetra Tech Coffey is a consulting and engineering services firm operating across Australia, New Zealand, and Papua New Guinea as part of the global Tetra Tech group. The company offers an integrated portfolio of professional services organized around core disciplines: Geotechnical Services, Environment Services, Project Management Services, Digital and Geospatial Services, Civil and Structural Engineering, WHS/Hazardous Materials/Occupational Hygiene, Decommissioning Services, Mining Services, Infrastructure Services, Building and Placemaking, Defence Services, Water Services, and Energy and Natural Resources Services. These services are delivered by multidisciplinary teams of geotechnical engineers, environmental scientists, project managers, and occupational hygiene specialists working together across 13 office locations to support clients from planning and design through to delivery and compliance.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Delivered geotechnical investigations, detailed design, and construction phase services for NZ$837M Waikato Expressway Hamilton Section — the largest roading project ever in Waikato
• +3 more outcomes

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered core.

• Enviropacific ServicescoreStrategic or Co-development Partner · 1 January 2024Tetra Tech Coffey together with Enviropacific Services was awarded the ALGA 2024 Best Contaminated Site Assessment award for the Lemon Springs Waste Burial Remediation project — a testament to innovation and collaboration on complex remediation.
• Lower Murray WatercoreImplementation/ SI/ Consulting Partner · 1 January 2021Tetra Tech Coffey was awarded a two-year engagement (with option for two additional years) to provide GIS services to the Victorian Murray Floodplain Restoration Project for project design, regulatory approvals, and engagement activities across nine Murray River floodplain sites.
• John Holland-Seymour White (JHSW) JVcoreImplementation/ SI/ Consulting Partner · 1 January 2021Tetra Tech Coffey is providing detailed geotechnical site investigation, temporary works design, groundwater, contamination, and occupational hygiene services for Sydney Gateway Stages 1 and 3, being delivered by John Holland-Seymour White JV (2021–2025).
• AECOMcoreImplementation/ SI/ Consulting Partner · 1 January 2017Tetra Tech Coffey acted as sub-consultant to AECOM for the geotechnical and contamination investigations for the design of the Western Harbour Tunnel alignment in Sydney (2017–2020).
• CityEdge Alliance (Fletcher Construction, Higgins Contractors, Beca, Waka Kotahi NZ Transport Agency)coreStrategic or Co-development Partner · 1 January 2016Tetra Tech Coffey was part of the CityEdge Alliance with Fletcher Construction, Higgins Contractors, Beca, and Waka Kotahi NZ Transport Agency for the NZ$837M Waikato Expressway Hamilton Section — the largest roading project in Waikato history. Tetra Tech Coffey provided geotechnical investigations, detailed design, and construction phase services from 2016–2022.
• Waka Kotahi NZ Transport AgencycoreImplementation/ SI/ Consulting Partner · 1 January 2016As part of the CityEdge Alliance, Tetra Tech Coffey supported Waka Kotahi NZ Transport Agency in delivering the Hamilton Section of the Waikato Expressway, involving geotechnical investigations, detailed design, and construction phase services.
• ACCIONA Infrastructure AustraliacoreImplementation/ SI/ Consulting Partner · 1 January 2016Tetra Tech Coffey was engaged by ACCIONA Infrastructure Australia as specialist consultant providing geotechnical, structural, and civil design services for temporary works during construction of the Sydney Light Rail project (2016–2019).
• Infrastructure NSW / Art Gallery of NSW / Richard Crookes ConstructioncoreImplementation/ SI/ Consulting Partner · 1 January 2014Tetra Tech Coffey supported the Sydney Modern project for nearly a decade (2014–2022) providing remediation, geotechnical, and occupational hygiene consultancy for conversion of WWII naval oil tanks into a gallery space, working with Infrastructure NSW, AGNSW, and Richard Crookes Construction.
• Thiess John HollandcoreImplementation/ SI/ Consulting Partner · 1 January 2010Tetra Tech Coffey experts were engaged by Thiess John Holland to deliver geotechnical designer services, earthworks, foundations, retaining walls, material sourcing, pavement design, and occupational hygiene monitoring for the Surat Basin Railway utility tunnel project (2010–2014).

Scale indicators8 records

Broad incumbents

• Jacobs: Global engineering and technical services firm with substantial ANZ operations covering transport, water, environment, and geosciences. Competes on mega-project tenders and adjacent federal/state government contracts.
• WSP: Major global engineering consultancy with deep ANZ presence providing geotechnical, environmental, and project management services. Competes for the same government infrastructure and mining clients across Australia and New Zealand.
• Stantec: Global engineering consultancy with strong ANZ operations delivering geotechnical, environmental, water, and infrastructure services. Competes on similar ANZ mega-projects and contamination work.
• Arcadis: Global design and engineering consultancy with significant ANZ operations focused on infrastructure, water, environment, and resilience. Competes for large government contracts and contamination/remediation work.
• AECOM: Global engineering and consulting firm with major ANZ operations delivering transport, water, environment, and geotechnical services. Direct head-to-head competitor on major infrastructure tenders (e.g., Western Harbour Tunnel where AECOM leads and uses Tetra Tech Coffey as sub-consultant).

Direct peers

• SLR Consulting: Global environmental and advisory consultancy with substantial APAC presence. Directly comparable focus on contaminated land, environmental impact assessment, and ESG advisory services.
• GHD: Large ANZ-headquartered engineering, environmental, and project management consultancy with comparable multidisciplinary service portfolio and similar government/enterprise client base. Closest local peer in scale and service mix.
• Aurecon: ANZ-headquartered engineering and infrastructure advisory firm with strong presence in transport, water, energy, and built environment. Directly competes on government infrastructure tenders across Australia and New Zealand.
• Tonkin + Taylor: New Zealand-based environmental and geotechnical engineering consultancy with deep NZ presence. Directly comparable service portfolio and competes for the same NZ government and developer clients on geotechnical and environmental work.

Emerging players

• Enviropacific Services: Australian specialist environmental remediation contractor. Partnered with Tetra Tech Coffey on the award-winning Lemon Springs project; competes on contaminated land remediation work where site assessment meets delivery.

Market position

Strengths5 records

Weaknesses5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/CoffeyInternational
• LinkedInlinkedin.com/company/tetra_tech_coffey
• Xx.com/CoffeyInt

Revenue estimate

Valuation estimate

Number of profiles

Profiles21 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 Tetra Tech Coffey