Company lists · Data refreshed September 2026

Top 25 Hydrology consultants based in Australia

RevenueBase identified 490 company matches for hydrology consultants associated with Australia as of September 2026 and tracks 9,477 professional contacts across them, including 3,375 with verified work emails. Sydney is the largest hub.

This list covers company matches for hydrology consultants associated with 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 21, 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 21, 2026 How this list was built
490Companies
9,477Contacts tracked
3,375Verified emails
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The 25 largest hydrology consultants based in Australia

Ranked by team size
Top 25 of 490 company matches for hydrology consultants based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchAdelaide, AustraliaHQ recorded Sep 21, 2026201-500237 contacts →

Exact match

“Tonkin is a leading provider of engineering, environmental and consultancy services to private and public organisations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchNorth Ryde, AustraliaHQ recorded Sep 21, 202651-200223 contacts →

Exact match

“PSM provides specialised design and investigation services for engineering in rock, soil and water.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchMordialloc, AustraliaHQ recorded Sep 21, 2026201-500222 contacts →

Exact match

“ATC Williams is a consulting engineering company specialising in providing custom solutions for tailings, water, waste, and resource recovery projects.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchBrisbane, AustraliaHQ recorded Sep 21, 2026201-500216 contacts →

Exact match

“Now a part of the Egis Group, Engeny provides a wide range of specialist engineering and environmental consultancy services across disciplines.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Sep 21, 2026201-500211 contacts →

Exact match

“We exist to empower people to make a difference.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchBrisbane City, AustraliaHQ recorded Sep 21, 202651-200151 contacts →

Exact match

“Premise is now part of Amey and operates as Amey Australia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202651-200117 contacts →

Exact match

“Mining One was established in August 2005 to provide technical expertise in the fields of geotechnical engineering, resource geology, mining engineering, processing, numerical…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchSouth East Queensland, AustraliaHQ recorded Sep 21, 202651-20098 contacts →

Exact match

“Burchills Engineering Solutions is a South East Qld based, locally owned multidisciplinary team of professional engineers & scientists with a track record of helping clients…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchMulgrave, AustraliaHQ recorded Sep 21, 202651-20094 contacts →

Exact match

“CMP Consulting Group is a multi-disciplinary Engineering firm specialising in design, project management and construction phase services for the Water Industry.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchMayfield West, AustraliaHQ recorded Sep 21, 202651-20093 contacts →

Exact match

“Beca HunterH2O is a diverse, empowered, and trusted team of 300+ water specialists, passionate about healthy and sustainable communities wherever we work.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202651-20089 contacts →

Exact match

“Sequana is a client-side project management consultancy that aims to provide exceptional advice, leadership and management services to the water and environment industry.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchMelbourne, AustraliaHQ recorded Sep 21, 202651-20089 contacts →

Exact match

“Reeds Consulting are experts in Land Surveying, Civil Engineering, Planning and Development Consulting.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchSouth Brisbane, AustraliaHQ recorded Sep 21, 202651-20078 contacts →

Exact match

“We're a Brisbane-based engineering firm, working across all sectors – housing, land, buildings, and flood.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBendigo, AustraliaHQ recorded Sep 21, 202651-20076 contacts →

Exact match

“Bringing clarity to complexity.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchClare, AustraliaHQ recorded Sep 21, 202651-20070 contacts →

Exact match

“As an Australian-owned consultancy company specialising in agribusiness, water and environment, Pinion Advisory unlocks the potential in our people, our clients and our natural…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchFortitude Valley, AustraliaHQ recorded Sep 21, 202651-20069 contacts →

Exact match

“With offices in Brisbane and Sydney, Bligh Tanner is a structural, façade, civil, environmental and water engineering consultancy distinguished by its high level of expertise…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchMilton, AustraliaHQ recorded Sep 21, 202611-5067 contacts →

Exact match

“Hydrobiology is an Environmental Consulting Company offering integrated services in the physical, biological and chemical processes of environmental systems with a particular…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchSouthport, AustraliaHQ recorded Sep 21, 202651-20064 contacts →

Exact match

“Westera is a highly respected consulting engineering firm practicing Australia wide in the disciplines of civil, structural and environmental engineering”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchMilton, AustraliaHQ recorded Sep 21, 202611-5064 contacts →

Exact match

“At e2m, we set the consultancy standard for terrestrial ecology, environmental approvals and environmental compliance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchNorth Parramatta, AustraliaHQ recorded Sep 21, 202611-5050 contacts →

Exact match

“Capital Engineering Consultants (CEC) consists of a highly experienced, motivated and enthusiastic team of Engineering Consultants who each specialize in various fields of…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchChatswood, AustraliaHQ recorded Sep 21, 202651-20049 contacts →

Exact match

“EESI Group, a leader in brown environment consulting, serves the mining, waste & landfill, urban development, and farming sectors across Australia and the UK.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchBowen Hills, AustraliaHQ recorded Sep 21, 202611-5048 contacts →

Exact match

“We are Australia’s specialist groundwater consultancy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBrisbane City, AustraliaHQ recorded Sep 21, 202611-5047 contacts →

Exact match

“WRM Water & Environment is a world-class consultancy specialising in flooding, water resource engineering and water management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchSilverwater, AustraliaHQ recorded Sep 21, 202651-20047 contacts →

Exact match

“Waterproofing Integrity offers independent third-party design consultation and quality control inspection services for waterproofing systems to ensure the intended performance and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchBrisbane City, AustraliaHQ recorded Sep 21, 202651-20047 contacts →

Exact match

“CDM Smith Australia provides meaningful and productive partnerships with our clients to solve complex water and environmental challenges.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 490 hydrology consultants based in Australia

See the full list, filter by size, metro and specialty, and access 3,375 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrology consultants based in Australia at a glance

As of Sep 21, 2026
35.6%Verified-email coverage
19.3Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · Sydney
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
308
11-50
139
51-200
30
201-500
5
501-1,000
3
1,001-5,000
1
5,001-10,000
1

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 490 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 Australia whose business descriptions match “hydrology consultants” 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 3,375 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 21, 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 “hydrology consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrology consultants are there based in Australia?

RevenueBase identified 490 company matches for hydrology consultants associated with 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?

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

Which city has the most hydrology consultants?

Sydney leads with 49 company records, followed by Melbourne (31) and Brisbane (27).

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 3,375 professional contacts with verified work emails tracked across these 490 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 21, 2026.

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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.