Company lists · Data refreshed November 2026

Top 22 Sustainable development consultants based in Australia

RevenueBase identified 456 company matches for sustainable development consultants associated with Australia as of November 2026 and tracks 6,432 professional contacts across them, including 3,643 with verified work emails. Sydney is the largest hub.

This list covers company matches for sustainable development 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 November 6, 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 Nov 6, 2026 How this list was built
456Companies
6,432Contacts tracked
3,643Verified emails
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The 22 largest sustainable development consultants based in Australia

Ranked by team size
Top 22 of 456 company matches for sustainable development consultants based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMelbourne, AustraliaHQ recorded Nov 6, 2026501-1,0001,144 contacts →

Exact match

“Urbis is more than just a consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026201-500472 contacts →

Exact match

“ADP Consulting, an Ayesa company, is a sustainability-led engineering consultancy on a quest to inspire a better world through influence and design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSt Leonards, AustraliaHQ recorded Nov 6, 2026201-500363 contacts →

Exact match

“At EMM, we believe that a sustainable future is achievable, and we are dedicated to helping our clients and the community make it a reality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTeralba, AustraliaHQ recorded Nov 6, 2026201-500347 contacts →

Exact match

“Umwelt has been trusted by clients and communities for over 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“We empower people to make a difference.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCremorne, AustraliaHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“For more than 30 years, we’ve worked across Australia to deliver integrated solutions that balance the needs of growth, community and the environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Rennie provides strategy, ESG & sustainability, capital advisory, policy and reform, and business advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Edge Impact is a sustainability and climate advisory firm (founded 2008) that translates climate science into clear strategy and measurable outcomes, delivering transition…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Nation Partners isn’t your typical consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Energetics is the climate risk and energy transition expert.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDrummoyne, AustraliaHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“MRA Consulting Group is one of Australia’s leading environmental consultancy firms, specialising in business and policy reform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCamberwell, AustraliaHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Marsden Jacob is a collaborative, values-based team of trusted economics, public policy, markets and strategy advisors, committed to supporting our clients to shape the future…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNeutral Bay, AustraliaHQ recorded Nov 6, 202611-5044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPort Macquarie, AustraliaHQ recorded Nov 6, 202611-5042 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCanberra, AustraliaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“ITP Renewables is Australia’s longest-running, independent, renewable energy consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCamberwell, AustraliaHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“18 years of innovation, pioneering and project delivery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMelbourne, AustraliaHQ recorded Nov 6, 20261,001-5,00035 contacts →

Exact match

“Anthesis guides clients to sustainable performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew South Wales, AustraliaHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Forward thinking projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMerewether, AustraliaHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Founded in 2018, IEMA is dedicated to delivering projects that benefit both businesses and the environment, along with the communities in which they operate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAshmore, AustraliaHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“EMF Griffiths is an Australian building services and sustainability consultancy providing ESD, Mechanical, Electrical, Fire, Hydraulics and Vertical Transport engineering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchKewdale, AustraliaHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“SIBAS is a team of passionate industry experts, change-makers and innovators committed to your business growth and success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“The team at Bajwa EnviroConsult offers a broad range of experience in the environmental sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 22 of 456 sustainable development consultants based in Australia

See the full list, filter by size, metro and specialty, and access 3,643 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable development consultants based in Australia at a glance

As of Nov 6, 2026
56.6%Verified-email coverage
14.1Average contacts per company
1-10Median size (employees)
18.6%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
345
11-50
76
51-200
19
201-500
8
501-1,000
2
1,001-5,000
2
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 456 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 “sustainable development 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 3,643 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 November 6, 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 “sustainable development consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable development consultants are there based in Australia?

RevenueBase identified 456 company matches for sustainable development consultants associated with Australia as of November 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?

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

Which city has the most sustainable development consultants?

Sydney leads with 85 company records, followed by Melbourne (77) and Brisbane (37).

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 3,643 professional contacts with verified work emails tracked across these 456 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 November 6, 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.