Company lists · Data refreshed November 2026

Top 22 Climate change mitigation organizations based in Sydney, Australia

RevenueBase identified 50 company matches for climate change mitigation organizations associated with Sydney, Australia as of November 2026 and tracks 408 professional contacts across them, including 167 with verified work emails. Across Australia, Sydney is the largest hub for this category.

This list covers company matches for climate change mitigation organizations 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 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
50Companies
408Contacts tracked
167Verified emails
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The 22 largest climate change mitigation organizations based in Sydney, Australia

Ranked by team size
Top 22 of 50 company matches for climate change mitigation organizations based in Sydney, 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 matchSydney, AustraliaHQ recorded Nov 6, 202611-5048 contacts →

Exact match

“Wollemi Capital™ is a global climate specialist investment firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Sustainable planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 6, 2026n/a32 contacts →

Exact match

“Climate Tracker works to support and empower young environmentalists and journalists around the world to better communicate the Climate Crisis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Number 8 bio is developing innovative solutions capable of reducing ruminant methane emissions, saving money for our farmers, and saving our climate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Clima is a platform for climate action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-1020 contacts →

Exact match

“Greenhouse is a climate action ecosystem operating Australia's largest dedicated climate tech hub in Sydney's CBD.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“We empower communities using nature-based solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“The vision of Boundless Earth (Boundless) is an Australia we can all be proud of - a prosperous, renewable energy superpower and a global force towards a decarbonised world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“NetNada was built on the mission that companies, no matter their size, have a vital role to play in the future of our planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“100% Renewables is a national consultancy specialising in the development of Climate Action Strategies for business, including pathways to net zero emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“The Carbon Reduction Institute is a profit-for-purpose carbon consulting business helping organisations measure, reduce and take responsibility for their greenhouse gas emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“FrontRunners works to protect the future of sport, the future of all of us.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“We are over 1 million women from across the world building a lifestyle revolution to fight the climate crisis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“Citizens’ Climate Lobby is a non-profit, non-partisan, grassroots advocacy organization focused on national policies to address climate change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Going carbon neutral won’t save the planet Taking carbon allowances from the big polluters, might.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Your gateway drug to climate action 🥵 Project Planet is run by a team of volunteers who live and work on the stolen lands of the Gadigal People of the Eora Nation, the Wurrundjeri…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Environmental Leadership Australia (ELA) is a not-for-profit, non-partisan organisation championing community and political leadership the reduce emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Carbon Offset Project Developer & Financier”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Better Futures Australia is a national alliance working to strengthen existing climate efforts by bringing together community, industry and government leaders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSydney, AustraliaHQ recorded Nov 6, 202611-503 contacts →

Exact match

“At Net Zero Media, we are driving a future where the advertising industry takes decisive action to reduce its carbon emissions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-2002 contacts →

Exact match

“BY THE COMMUNITY; FOR THE CLIMATE.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“NOAB Ventures is an entity created for the personal climate impact and sustainability investments of our direct family.”

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

Showing 22 of 50 climate change mitigation organizations based in Sydney, Australia

See the full list, filter by size, metro and specialty, and access 167 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Climate change mitigation organizations based in Sydney, Australia at a glance

As of Nov 6, 2026
40.9%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
17
51-200
2
201-500
1
10001+
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 50 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 “climate change mitigation organizations” 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 167 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.

Climate change mitigation organizations by metro in Australia

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 “climate change mitigation organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate change mitigation organizations are there based in Sydney, Australia?

RevenueBase identified 50 company matches for climate change mitigation organizations associated with Sydney, 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?

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

Which city in Australia has the most climate change mitigation organizations?

Sydney leads Australia with 50 company records, followed by Melbourne (37) and Brisbane (13).

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 167 professional contacts with verified work emails tracked across these 50 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.