Geotechnical and Geological Consultants

What Geotechnical and Geological Consultants does

Geotechnical and Geological Consultants (GGC) is a Perth-headquartered professional services firm providing geotechnical engineering and engineering geology consulting across Australia. Founded in 2016 by three Principal Consultants — Richard Moyle (Managing Director), Neill Beattie, and Colin Dickson — the firm combines over 100 years of senior consultancy experience and operates from a main office in West Leederville and a second office in Broome, Western Australia. Service lines span site works and investigation, engineering design, and expert witness and review, delivered across five sectors: land development, mining and non-process infrastructure, civil infrastructure, renewable energy infrastructure, and temporary works.

The firm's technical stack is grounded in conventional engineering tooling — Slope W for slope stability analysis, Morgenstern Price method for temporary works design (minimum Factor of Safety of 1.25), cone penetrometer testing, geotechnical drilling, boreholes, test pitting, hand augers, and field mapping. Notable proprietary design work includes pile design optimisations for large-scale solar arrays and an innovative weak-point barrage design for tidal water control structures. The firm holds ISO 9001:2008 (Quality), AS/NZ 4801 (OHS), and ISO 14001 (Environmental) accreditations.

Revenue is generated through project-based professional services engagements. Pricing is quote-based and negotiated per project; no public pricing exists. GTM is sales-led, with the three founders leading business development sourced through professional networks, industry association membership (Consult Australia), direct client engagement, and a LinkedIn presence. Customer work spans major enterprise and government clients including the Australian Renewable Energy Hub (AREH), a Three Springs solar farm, Kwinana BESS, Yandi Quarry, the Ellendale Diamond Mine, the Mary River Barrage in the Northern Territory, and the Bristol Springs Green Hydrogen Project. The firm remains privately held by its three founding directors with no external investment or parent entity.

Name

Geotechnical and Geological Consultants

Legal name

Geotechnical and Geological Consultants Pty Ltd

Website

https://ggconsultants.com.au

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

1–10 employees

Short description

Geotechnical and geological engineering consultancy based in Perth, Western Australia, providing site investigations, engineering design, and expert witness services to land development, mining, civil infrastructure, and renewable energy sectors across Australia.

Ownership category

akta.pro rank

Headquarters

HQ city

Perth

HQ country

Australia

HQ region

Oceania

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Geotechnical Consulting Services: GGC provides professional geotechnical engineering and engineering geology consulting services including site investigations, engineering design, expert witness services, and construction support. Revenue is generated through project-based consulting engagements with clients in land development, mining, civil infrastructure, and renewable energy sectors. Services include desktop studies, field investigations, interpretive reporting, design work, and onsite construction support and verification.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

GGC is a geotechnical and geological consulting firm that delivers professional engineering services including site investigations, earthworks monitoring, and construction support (Site Works and Investigation); engineered designs for geotechnical solutions including pile design, ground improvement, slope stability, and pavement design (Engineering Design); and expert witness claims, independent reviews, risk management, and due diligence (Expert Witness and Review). These services are delivered across land development, mining and non-process infrastructure, civil infrastructure, renewable energy infrastructure, and temporary works sectors in Australia.

Product overview

GGC is a geotechnical and geological consulting firm offering professional engineering services. The company operates as a unified service-based consultancy rather than a software product company. Its core service portfolio includes three main service lines: Site Works and Investigation (site-based geotechnical services including investigations, earthworks monitoring, and construction support), Engineering Design (specialist geotechnical designs including pile design, ground improvement, slope stability, and pavement design), and Expert Witness & Review (expert witness claims, independent reviews, and due diligence). These services are applied across five key sectors: Land Development, Mining and Non-Process Infrastructure, Civil Infrastructure, Renewable Energy Infrastructure, and Temporary Works.

Differentiator

Problem solved

Functional benefit

Products and services

• Site Works and Investigation Provides site-based geotechnical services including site investigations, earthworks monitoring, and construction support. Uses investigation techniques including hand augers, test pits, infiltration testing, electric cone penetrometer testing (CPT), and boreholes, serving developers, contractors, and infrastructure clients.
• Engineering Design Provides engineering designs for geotechnical solutions including pile design, construction advice, ground improvement, ground retention systems, slope stability analysis (using Slope W software with Morgenstern Price method), pavement design, and rail geotechnical design, for clients across mining, civil, land development, and renewable energy sectors.
• Expert Witness and Review Provides expert witness claims, independent geotechnical reviews, risk management, value engineering, and due diligence for land acquisition, supporting clients in dispute resolution and project risk mitigation.
• Land Development Geotechnical Services Provides geotechnical services for land development including desktop studies, site investigation, site classification per AS2870-2011, geotechnical design work, onsite construction support, and earthworks verification and testing, for conventional and marginal land development projects.
• Mining and Non-Process Infrastructure Geotechnical Services Provides geotechnical expertise for mining infrastructure and non-process infrastructure (NPI) projects including geotechnical site investigations, onsite construction support, borrow materials handling, slope stability analysis, ground improvement design, and expert witness services, spanning PFS to construction phases.
• Civil Infrastructure Geotechnical Services Provides geotechnical services for civil infrastructure projects ranging from road designs for solar farms to bridge abutment designs for road over rail crossings, including foundation design, piling, ground retention, and slope stability, for government and contractor clients.
• Renewable Energy Infrastructure Geotechnical Services Provides specialised geotechnical engineering services for renewable energy infrastructure including solar, wind, green hydrogen, and battery storage projects. Services include desktop studies, geotechnical investigations, foundation design, and construction support across Australia.
• Temporary Works Design and Construction Support Provides design and construction support for temporary works including working platforms for piling rigs and tracked plant, slope stability and excavations (with minimum Factor of Safety of 1.25 for temporary excavations), groundwater control, foundations and piling, and construction verification.

Quantifiable outcome

• Quick turnaround capability demonstrated with one-week design and mobilisation to site for Diamond Mine temporary works project
• +2 more outcomes

Named customers8 records

Segments5 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

Two partnerships are on record, tiered minor.

• Byrne ConsultantsminorStrategic or Co-development PartnerGGC worked closely with Byrne Consultants to refine design solutions for the Mary River Barrage project in Northern Territory. GGC provided specialist geotechnical engineering input into the design of barrages and maintenance strategy.
• Consult AustraliaminorOthersGGC is a member of Consult Australia, the industry association representing consulting companies in the built environment sector. Membership provides industry networking and professional development opportunities.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Coffey (a Tetra Tech company): Coffey, now part of Tetra Tech, is one of the most established geotechnical and geoscience brands in Australia and New Zealand with deep mining and infrastructure coverage; a broad incumbent that overlaps with GGC across site investigation, slope stability, and mining infrastructure work.
• Jacobs: Jacobs is a global professional services firm with a large Australian geotechnical, civil, and environmental engineering capability serving mining, transport, and energy clients — a broad incumbent that GGC is likely to encounter on major WA tenders.
• WSP in Australia: WSP is a global engineering professional services firm with a sizeable Australian geotechnical and ground engineering practice; competes for the same enterprise and government infrastructure tenders as GGC but as part of a much broader multidisciplinary portfolio.

Direct peers

• GHD: GHD is one of Australia's largest employee-owned engineering, architecture, and environmental consultancies with a substantial geotechnical and ground-engineering practice serving mining, infrastructure, and renewables clients across WA — the most direct competitor for GGC's services and client base.
• Douglas Partners: Douglas Partners is an Australian employee-owned geotechnical, environmental, and groundwater consultancy with offices across the eastern states and WA — a direct peer offering comparable site investigation, foundation design, and engineering geology services.
• ATC Williams: ATC Williams is an Australian specialist geotechnical and tailings consultancy with a strong mining and resources focus, including Pilbara exposure; comparable specialist positioning and client overlap make it a relevant peer despite its narrower service scope.
• Aurecon: Aurecon is a major Australian-headquartered engineering and infrastructure advisory with a dedicated ground engineering and geotechnical team serving land development, transport, and energy clients; competes directly for the same project types GGC pursues, particularly in WA renewables and civil infrastructure.
• SLR Consulting: SLR Consulting is a global environmental and advisory firm with a strong Australian geotechnical and civil engineering practice covering mining, infrastructure, and renewables — a closely comparable peer with similar service offerings and WA presence.
• CMW Geosciences: CMW Geosciences is an Australia- and Pacific-wide specialist geotechnical and geoscience consulting firm with strong mining, infrastructure, and land development exposure — a closely comparable specialist peer with similar service lines and overlapping WA/Pilbara client relationships.
• Pells Sullivan Meynink (PSM): PSM is an Australian specialist geotechnical engineering consultancy with deep mining, tunneling, and infrastructure expertise; directly comparable on technical specialisation, project types, and senior-led delivery model.

Market position

Strengths1 record

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInau.linkedin.com/company/geotechnical-and-geological-consultants-pty-ltd

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 Geotechnical and Geological Consultants