Company lists · Data refreshed September 2026

Top 23 Watershed analysis consultants based in Australia

RevenueBase identified 281 watershed analysis consultants headquartered in Australia as of September 2026 and tracks 3,390 professional contacts across them, including 1,809 with verified work emails. Sydney is the largest hub.

This list covers watershed analysis consultants 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 22, 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 22, 2026 86% judged on-target in blind review
281Companies
3,390Contacts tracked
1,809Verified emails
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The 23 largest watershed analysis consultants based in Australia

Ranked by team size
Top 23 of 281 watershed analysis consultants based in Australia, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to watershed analysis consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceBrisbane, AustraliaHQ checked Sep 22, 2026201-500216 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceSydney, AustraliaHQ checked Sep 22, 2026201-500211 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidencePort Melbourne, AustraliaHQ checked Sep 22, 202651-200101 contacts →

Indirect evidence

“At Earth Systems, we believe that solving the world’s environmental challenges requires more than just knowledge-it takes innovation and action.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceMayfield West, AustraliaHQ checked Sep 22, 202651-20093 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceBendigo, AustraliaHQ checked Sep 22, 202651-20076 contacts →

Indirect evidence

“Bringing clarity to complexity.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceMalaga, AustraliaHQ checked Sep 22, 202651-20076 contacts →

Indirect evidence

“Natural Area is a wholly Western Australian owned and operated company providing environmental consulting and on-ground environmental management to government, property…”

Source: RevenueBase Database · checked Sep 22, 2026
7Partial evidenceClare, AustraliaHQ checked Sep 22, 202651-20070 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 22, 2026
8Indirect evidenceAscot Vale, AustraliaHQ checked Sep 22, 202651-20068 contacts →

Indirect evidence

“Thank you for visiting Ecology and Heritage Partners.”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceMilton, AustraliaHQ checked Sep 22, 202611-5067 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
10Partial evidenceMilton, AustraliaHQ checked Sep 22, 202611-5064 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceChatswood, AustraliaHQ checked Sep 22, 202651-20049 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
12Partial evidenceBowen Hills, AustraliaHQ checked Sep 22, 202611-5048 contacts →

Partial evidence

“We are Australia’s specialist groundwater consultancy.”

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidenceBrisbane City, AustraliaHQ checked Sep 22, 202611-5047 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceBrisbane City, AustraliaHQ checked Sep 22, 202651-20047 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceWest Perth, AustraliaHQ checked Sep 22, 202611-5044 contacts →

Indirect evidence

“MBS Environmental (formerly Martinick McNulty Pty Ltd) was established in 1978 and is based in Perth, Western Australia.”

Source: RevenueBase Database · checked Sep 22, 2026
16Indirect evidenceNeutral Bay, AustraliaHQ checked Sep 22, 202611-5039 contacts →

Indirect evidence

“Rhelm is a specialist consulting company offering professional services to clients in Australia and internationally.”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidencePort Macquarie, AustraliaHQ checked Sep 22, 202611-5036 contacts →

Indirect evidence

“We offer specialist consulting and project services, solving complex strategic and systematic issues across the environmental, natural resource, planning, sustainability, policy…”

Source: RevenueBase Database · checked Sep 22, 2026
18Indirect evidenceTennyson, AustraliaHQ checked Sep 22, 202611-5033 contacts →

Indirect evidence

“Assured Environmental (AE) is a team of experienced and trusted professionals focused on delivering high quality, responsive and practical environmental monitoring and consulting…”

Source: RevenueBase Database · checked Sep 22, 2026
19Indirect evidenceShepparton, AustraliaHQ checked Sep 22, 202611-5032 contacts →

Indirect evidence

“At CAF Consulting, we’re proud to be backed by decades of Engineering and Planning experience.”

Source: RevenueBase Database · checked Sep 22, 2026
20Strong evidenceSydney, AustraliaHQ checked Sep 22, 202611-5029 contacts →

Strong evidence

“WMAWater is specialist engineering consultancy providing engineering analysis and advice in a range of water-related fields.”

Source: RevenueBase Database · checked Sep 22, 2026
21Partial evidenceLennox Head, AustraliaHQ checked Sep 22, 202611-5026 contacts →

Partial evidence

“We're an environmental and engineering consultancy firm based in NSW, Australia.”

Source: RevenueBase Database · checked Sep 22, 2026
22Indirect evidenceKirrawee, AustraliaHQ checked Sep 22, 202611-5026 contacts →

Indirect evidence

“Reditus is a professional services firm established to provide responsive, high quality, specialist consulting services in hydrogeology, environmental, contaminated land and…”

Source: RevenueBase Database · checked Sep 22, 2026
23Partial evidenceThomastown, AustraliaHQ checked Sep 22, 202611-5025 contacts →

Partial evidence

“Ecology Australia is a leading environmental consultancy firm.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 23 of 281 watershed analysis consultants based in Australia

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Watershed analysis consultants based in Australia at a glance

As of Sep 22, 2026
53.4%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
8.5%Largest-city concentration · Sydney
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
193
11-50
68
51-200
15
201-500
2
501-1,000
1
1,001-5,000
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 281 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 watershed analysis consultants, 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 “watershed analysis consultants”. 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 watershed analysis consultants), 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 watershed analysis consultants, 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, 1,809 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 22, 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 watershed analysis consultants, 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 watershed analysis consultants are there based in Australia?

RevenueBase identified 281 watershed analysis consultants 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?

Engeny, headquartered in Brisbane, tops this list with the largest team on record.

Which city has the most watershed analysis consultants?

Sydney leads with 24 headquartered companies, followed by Brisbane (22) and Melbourne (17).

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 1,809 verified decision-maker contacts tracked across these 281 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 22, 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 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.