Company lists · Data refreshed September 2026

Top 25 Liquefaction assessment firms based in Australia

Name: Liquefaction assessment firms based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 145 companies tracked

RevenueBase identified 145 liquefaction assessment firms headquartered in Australia as of September 2026 and tracks 3,354 professional contacts across them, including 1,744 with verified work emails. Sydney is the largest hub.

This list covers liquefaction assessment firms headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

145Companies

3,354Contacts tracked

1,744Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest liquefaction assessment firms based in Australia

Ranked by team size

Top 25 of 145 liquefaction assessment firms based in Australia, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to liquefaction assessment firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Douglas Partners	Indirect evidence	West Ryde, AustraliaHQ checked Sep 20, 2026	501-1,000	466 contacts →
	Indirect evidence “Welcome to Douglas Partners Pty Ltd, a leading engineering consultancy specialising in geotechnics, rock mechanics, environment, groundwater, earthworks and geophysics.” Source: RevenueBase Database · checked Sep 20, 2026
2	Construction Sciences	Indirect evidence	Albion, AustraliaHQ checked Sep 20, 2026	1,001-5,000	423 contacts →
	Indirect evidence “Construction Sciences is a construction materials testing, geotechnical engineering, environmental consulting and specialised testing firm.” Source: RevenueBase Database · checked Sep 20, 2026
3	PSM	Indirect evidence	North Ryde, AustraliaHQ checked Sep 20, 2026	51-200	223 contacts →
	Indirect evidence “PSM provides specialised design and investigation services for engineering in rock, soil and water.” Source: RevenueBase Database · checked Sep 20, 2026
4	Geovert	Indirect evidence	Rosebery, AustraliaHQ checked Sep 20, 2026	201-500	192 contacts →
	Indirect evidence “Geovert is a global ground engineering company founded in Christchurch, New Zealand in 2001.” Source: RevenueBase Database · checked Sep 20, 2026
5	Alliance Geotechnical	Indirect evidence	Seven Hills, AustraliaHQ checked Sep 20, 2026	51-200	120 contacts →
	Indirect evidence “Alliance Geotechnical is an established and highly respected Geotechnical and Environmental consultancy firm with a proven track record in delivering and exceeding our client’s…” Source: RevenueBase Database · checked Sep 20, 2026
6	Macquarie Geotechnical	Indirect evidence	Bathurst, AustraliaHQ checked Sep 20, 2026	51-200	108 contacts →
	Indirect evidence “Macquarie Geotechnical is a leading provider of geotechnical services, supporting the construction, government, mining, renewable energy, groundwater, and environmental sectors.” Source: RevenueBase Database · checked Sep 20, 2026
7	JK Group	Indirect evidence	Macquarie Park, AustraliaHQ checked Sep 20, 2026	51-200	65 contacts →
	Indirect evidence “The JK Group is a proudly employee owned and managed company that values professionalism through honesty, dependability and integrity.” Source: RevenueBase Database · checked Sep 20, 2026
8	Chadwick Geotechnics	Indirect evidence	Dandenong South, AustraliaHQ checked Sep 20, 2026	51-200	61 contacts →
	Indirect evidence “Chadwick Geotechnics is a leading provider of geotechnical engineering services across Australia, with over 20 years of experience and a team of highly qualified engineers and…” Source: RevenueBase Database · checked Sep 20, 2026
9	Terra Firma Laboratories	Indirect evidence	Pakenham, AustraliaHQ checked Sep 20, 2026	51-200	61 contacts →
	Indirect evidence “Terra Firma Laboratories provides Soils, Concrete, asphalt and geosynthetics testing for construction projects big and small."Your worksite is our laboratory".” Source: RevenueBase Database · checked Sep 20, 2026
10	Ground Technologies PTY LTD	Indirect evidence	Prestons, AustraliaHQ checked Sep 20, 2026	11-50	50 contacts →
	Indirect evidence “Strength you can build on.” Source: RevenueBase Database · checked Sep 20, 2026
11	Butler Partners PTY LTD	Indirect evidence	Albion, AustraliaHQ checked Sep 20, 2026	51-200	42 contacts →
	Indirect evidence “At Butler Partners, we specialise in providing high quality, practical, face-to-face and cost-effective design advice to our clients.” Source: RevenueBase Database · checked Sep 20, 2026
12	Core Consultants	Indirect evidence	Coolum Beach, AustraliaHQ checked Sep 20, 2026	11-50	42 contacts →
	Indirect evidence “Geotechnical Engineering and Environmental Science” Source: RevenueBase Database · checked Sep 20, 2026
13	Geotechnical Engineering	Indirect evidence	Port Melbourne, AustraliaHQ checked Sep 20, 2026	51-200	35 contacts →
	Indirect evidence “ACCIONA Australia is a group unlike any other in Australian infrastructure and construction.” Source: RevenueBase Database · checked Sep 20, 2026
14	Operational Geotechs	Indirect evidence	Perth, AustraliaHQ checked Sep 20, 2026	11-50	33 contacts →
	Indirect evidence “Our team specialises in providing our clients with practical, site based, operational geotechnical services on a short or long-term basis.” Source: RevenueBase Database · checked Sep 20, 2026
15	Soil Surveys	Indirect evidence	Eagle Farm, AustraliaHQ checked Sep 20, 2026	11-50	32 contacts →
	Indirect evidence “Soil Surveys Engineering Pty.” Source: RevenueBase Database · checked Sep 20, 2026
16	Pacific Geotech	Indirect evidence	Coomera, AustraliaHQ checked Sep 20, 2026	11-50	29 contacts →
	Indirect evidence “Pacific Geotech is a geotechnical consulting firm with its head office on the Gold Coast and another in Brisbane.” Source: RevenueBase Database · checked Sep 20, 2026
17	STS Geotechnics	Indirect evidence	Wetherill Park, AustraliaHQ checked Sep 20, 2026	11-50	29 contacts →
	Indirect evidence “STS Geotechnics Group delivers integrated Geotechnical, Environmental, Drilling and Construction Materials Testing solutions across Australia.” Source: RevenueBase Database · checked Sep 20, 2026
18	Bauer Foundations Australia PTY LTD	Indirect evidence	Newmarket, AustraliaHQ checked Sep 20, 2026	51-200	28 contacts →
	Indirect evidence “Complex specialist foundation engineering projects?” Source: RevenueBase Database · checked Sep 20, 2026
19	Western Geotechnical & Laboratory Services	Indirect evidence	Welshpool, AustraliaHQ checked Sep 20, 2026	11-50	28 contacts →
	Indirect evidence “Western Geotechnical & Laboratory Services is a locally owned and operated laboratory based in Perth, Western Australia.” Source: RevenueBase Database · checked Sep 20, 2026
20	Fortify Geotech	Indirect evidence	Marrickville, AustraliaHQ checked Sep 20, 2026	11-50	25 contacts →
	Indirect evidence “Although we are a relatively new company, our history as a geotechnical and geological consultancy has spanned over 30 years." We initially operated in Canberra in 1985 as Peter J…” Source: RevenueBase Database · checked Sep 20, 2026
21	RCA Australia	Indirect evidence	Carrington, AustraliaHQ checked Sep 20, 2026	11-50	25 contacts →
	Indirect evidence “RCA Australia was founded in 1994, providing specialist consultancy services from our headquarters in Newcastle NSW.” Source: RevenueBase Database · checked Sep 20, 2026
22	Cartledge Mining And Geotechnics	Indirect evidence	Brisbane, AustraliaHQ checked Sep 20, 2026	1-10	23 contacts →
	Indirect evidence “Cartledge Mining and Geotechnics is a geotechnical consultancy firm that provides innovative solutions for the life cycle of mining projects.” Source: RevenueBase Database · checked Sep 20, 2026
23	Trilab PTY LTD	Indirect evidence	Geebung, AustraliaHQ checked Sep 20, 2026	11-50	21 contacts →
	Indirect evidence “Trilab is Australasia's leading independent supplier of specialised soil and mechanics testing.” Source: RevenueBase Database · checked Sep 20, 2026
24	Hully Foundations	Indirect evidence	Adelaide, AustraliaHQ checked Sep 20, 2026	11-50	21 contacts →
	Indirect evidence “Operating across multiple sectors including utilities and transmission, mining, oil and gas, public infrastructure, residential and commercial building.” Source: RevenueBase Database · checked Sep 20, 2026
25	SCT Operations Strata Control Technology	Indirect evidence	Wollongong, AustraliaHQ checked Sep 20, 2026	11-50	20 contacts →
	Indirect evidence “SCT Operations (Strata Control Technology) provides geotechnical consultancy and instrumentation services to the mining industry globally.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: liquefaction assessment firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names liquefaction assessment firms.
Partial evidence: Its own public description names part of liquefaction assessment firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name liquefaction assessment firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 145 liquefaction assessment firms based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,744 reachable decision-makers.

Free signup · no credit card

View the full list →

Liquefaction assessment firms based in Australia at a glance

As of Sep 20, 2026

52.0%Verified-email coverage

23.1Average contacts per company

1-10Median size (employees)

6.2%Largest-city concentration · Sydney

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 145 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among liquefaction assessment firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Australia whose own description of what they do matches “liquefaction assessment firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names liquefaction assessment firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among liquefaction assessment firms, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,744 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names liquefaction assessment firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many liquefaction assessment firms are there based in Australia?

RevenueBase identified 145 liquefaction assessment firms headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Douglas Partners, headquartered in West Ryde, tops this list with the largest team on record.

Which city has the most liquefaction assessment firms?

Sydney leads with 9 headquartered companies, followed by Melbourne (8) and Perth (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,744 verified decision-maker contacts tracked across these 145 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

Ready to reach these companies? Verified emails and direct dials for all 145 liquefaction assessment firms based in Australia. Start with a free account, no credit card.

Download this list →

Related lists

Liquefaction assessment firms by geography

Browse the directory

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 Smart Search, 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.