Company lists · Data refreshed September 2026

Top 24 Geotechnical engineering staffing companies based in Sydney, Australia

RevenueBase identified 76 company matches for geotechnical engineering staffing companies associated with Sydney, Australia as of September 2026 and tracks 635 professional contacts across them, including 287 with verified work emails. Across Australia, Sydney is the largest hub for this category.

This list covers company matches for geotechnical engineering staffing companies associated with Sydney, Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
76Companies
635Contacts tracked
287Verified emails
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The 24 largest geotechnical engineering staffing companies based in Sydney, Australia

Ranked by team size
Top 24 of 76 company matches for geotechnical engineering staffing companies based in Sydney, Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-20067 contacts →

Exact match

“Chalouhi is a leading civil engineering and construction company with extensive experience in the industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Sep 28, 2026201-50065 contacts →

Exact match

“ACE Civil (formerly ACE Demolition and Excavation) has been established since 1997, the company is specialized in ground engineering and piling works in addition to demolition and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5064 contacts →

Exact match

“CGC Recruitment is an Australian owned and operated Recruitment Company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-20057 contacts →

Exact match

“Established in 2012, Triaxial Consulting are a firm of Consulting Civil and Structural Engineers, who provide a suite of specialist consulting engineering services, to all…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-20044 contacts →

Exact match

“Founded in 1979, Riddwood has been delivering for our clients for almost fifty years.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5043 contacts →

Exact match

“Specialist engineers consulting in the fields of temporary works, structural, geotechnical and heritage reuse.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-1021 contacts →

Exact match

“Consulting structural & civil engineers who help clients achieve their ambitious visions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“Beck Engineering specialises in planning, engineering and applied mechanics for extreme geotechnical environments or where corporate or expert geotechnical experience is being…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“More Than 50 Years Of Structural Excellence.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“Wyn & Co is an Australian, privately owned employment group specialising in permanent, contract and temporary recruitment solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-20013 contacts →

Exact match

“The Aargus Group is a fully owned and operated Australian company that has been structured and tailored to suit market needs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5011 contacts →

Exact match

“Concrete Engineering Services is specialised engineering contract.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“S&G Consultants Pty Ltd is a dynamic organisation founded in 2003 by Managing Director Samer El Haddad in response to a market demand for integrated consulting engineering…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-109 contacts →

Exact match

“As a boutique construction recruitment agency, we specialise in civil infrastructure and building construction in Australia, with links to every project - no matter how big or…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Soilsrock Engineering Pty Ltd is a private Australian property company specialised in geotechnical, environmental and structural engineering consulting within the Building and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-109 contacts →

Exact match

“In November 2014 Iceberg Recruitment re-branded to IBR Group Solutions As one of Australia's leading specialist recruitment agencies in engineering design and construction and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchSydney, AustraliaHQ recorded Sep 28, 202651-2008 contacts →

Exact match

“Sonic Geo provides specialist ground support and slope stablisation services to the infrastructure, construction, civil, rail, road and other industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-106 contacts →

Exact match

“At Green Square Services, our goal is to enable our clients to source high calibre construction professionals with ease whilst working with a trusted advisory partner.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-505 contacts →

Exact match

“Aitken Civil is staffed by a group of straight-shooting and experienced construction professionals who have a track record of delivering landmark civil works for our clients in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Unify was established to create a mechanical and electrical industry-specific agency.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Sep 28, 202611-504 contacts →

Exact match

“Concrete Future is an independent company which provides specialist investigation and consulting services to producers, contractors and consultants in the public and private…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Engineering Recruitment for - Ground Engineering (Geotechnical, Geological, piling); Environmental (Contaminated Lands, Management, Remediation); OHS/WHS (Occupational Hygiene…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Engineering & Designing”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchSydney, AustraliaHQ recorded Sep 28, 20261-103 contacts →

Exact match

“Pile Design Solutions Pty Ltd offers professional consulting engineering services to the construction industry.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 24 of 76 geotechnical engineering staffing companies based in Sydney, Australia

See the full list, filter by size, metro and specialty, and access 287 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geotechnical engineering staffing companies based in Sydney, Australia at a glance

As of Sep 28, 2026
45.2%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
19
51-200
7
201-500
1

Email recency for this list is measured across the whole Australia list rather than for Sydney, so it is reported there. Company counts and contact totals on this page are exact for Sydney, over 76 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Sydney, Australia whose business descriptions match “geotechnical engineering staffing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 287 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “geotechnical engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geotechnical engineering staffing companies are there based in Sydney, Australia?

RevenueBase identified 76 company matches for geotechnical engineering staffing companies associated with Sydney, Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Chalouhi tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Australia has the most geotechnical engineering staffing companies?

Sydney leads Australia with 76 company records, followed by Melbourne (64) and Perth (59).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 287 professional contacts with verified work emails tracked across these 76 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 76 geotechnical engineering staffing companies based in Sydney, Australia. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.