Company lists · Data refreshed September 2026

Top 25 Sustainable development nonprofits based in Australia

Name: Sustainable development nonprofits based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 184 companies tracked

RevenueBase identified 184 sustainable development nonprofits headquartered in Australia as of September 2026 and tracks 10,810 professional contacts across them, including 482 with verified work emails. Sydney is the largest hub.

This list covers sustainable development nonprofits 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

184Companies

10,810Contacts tracked

482Verified emails

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The 25 largest sustainable development nonprofits based in Australia

Ranked by team size

Top 25 of 184 sustainable development nonprofits 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 sustainable development nonprofits: 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	Nothing	Indirect evidence	Nowhere Else, AustraliaHQ checked Sep 22, 2026	n/a	9,412 contacts →
	Indirect evidence “Nothing compares to you!” Source: RevenueBase Database · checked Sep 22, 2026
2	Conservation Volunteers Australia	Indirect evidence	Ballarat, AustraliaHQ checked Sep 22, 2026	51-200	161 contacts →
	Indirect evidence “CVA is Australia’s leading conservation organisation, empowering people to take action for nature since 1982.” Source: RevenueBase Database · checked Sep 22, 2026
3	Phillip Island Nature Parks	Indirect evidence	Summerlands, AustraliaHQ checked Sep 22, 2026	201-500	110 contacts →
	Indirect evidence “Only 90 minutes from Melbourne, Phillip Island Nature Parks attracts over 1.3 million visitors annually to its five ecotourism attractions including the Penguin Parade, the…” Source: RevenueBase Database · checked Sep 22, 2026
4	Live & Learn International	Partial evidence	Melbourne, AustraliaHQ checked Sep 22, 2026	n/a	74 contacts →
	Partial evidence “Live & Learn Environmental Education’s mission is to reduce poverty and foster greater understanding and action towards a sustainable future through education, community…” Source: RevenueBase Database · checked Sep 22, 2026
5	Banksia Gardens Community Services	Indirect evidence	Broadmeadows, AustraliaHQ checked Sep 22, 2026	51-200	46 contacts →
	Indirect evidence “Banksia Gardens Community Services is a vibrant community service organisation located in Broadmeadows, Victoria.” Source: RevenueBase Database · checked Sep 22, 2026
6	Ecollaboration	Indirect evidence	Queensland, AustraliaHQ checked Sep 22, 2026	11-50	40 contacts →
	Indirect evidence “We connect people with nature through education, collaboration, and hands-on environmental action.” Source: RevenueBase Database · checked Sep 22, 2026
7	Port Phillip Ecocentre INC	Indirect evidence	St Kilda, AustraliaHQ checked Sep 22, 2026	11-50	39 contacts →
	Indirect evidence “The Port Phillip EcoCentre is a not-for-profit organisation that educates and inspires people to care for land, water, wildlife and community wellbeing.” Source: RevenueBase Database · checked Sep 22, 2026
8	Corporate Carbon	Partial evidence	Sydney, AustraliaHQ checked Sep 22, 2026	11-50	34 contacts →
	Partial evidence “Sustainable planet.” Source: RevenueBase Database · checked Sep 22, 2026
9	Sustainable Development Consultants PTY LTD	Indirect evidence	Camberwell, AustraliaHQ checked Sep 22, 2026	11-50	34 contacts →
	Indirect evidence “18 years of innovation, pioneering and project delivery.” Source: RevenueBase Database · checked Sep 22, 2026
10	Planet ARK	Indirect evidence	Ultimo, AustraliaHQ checked Sep 22, 2026	11-50	34 contacts →
	Indirect evidence “Planet Ark Environmental Foundation is an Australian not-for-profit organisation with a vision of a world where people live in balance with nature.” Source: RevenueBase Database · checked Sep 22, 2026
11	The Jane Goodall Institute Australia	Indirect evidence	Mosman, AustraliaHQ checked Sep 22, 2026	11-50	28 contacts →
	Indirect evidence “The Jane Goodall Institute Australia (JGIA) is a not-for-profit, non-government organisation that supports wildlife research, education and conservation.” Source: RevenueBase Database · checked Sep 22, 2026
12	RENEW	Partial evidence	North Melbourne, AustraliaHQ checked Sep 22, 2026	11-50	27 contacts →
	Partial evidence “Renew is country’s leading not-for-profit organisation, promoting sustainable technology and practice.” Source: RevenueBase Database · checked Sep 22, 2026
13	Landcare NSW	Partial evidence	Sydney, AustraliaHQ checked Sep 22, 2026	11-50	26 contacts →
	Partial evidence “Landcare is a grassroots movement dedicated to restoring and managing our environment and improving the sustainability of our agricultural practices.” Source: RevenueBase Database · checked Sep 22, 2026
14	Verity Nature	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	11-50	22 contacts →
	Indirect evidence “We empower communities using nature-based solutions.” Source: RevenueBase Database · checked Sep 22, 2026
15	Kesab Environmental Solutions	Partial evidence	Flinders Park, AustraliaHQ checked Sep 22, 2026	11-50	21 contacts →
	Partial evidence “KESAB environmental solutions is South Australia’s leading not-for-profit (NFP) organisation in delivering world-class environmental sustainability programs.” Source: RevenueBase Database · checked Sep 22, 2026
16	Earthwatch Institute Australia	Indirect evidence	Carlton, AustraliaHQ checked Sep 22, 2026	11-50	20 contacts →
	Indirect evidence “Earthwatch is an international environmental charity.” Source: RevenueBase Database · checked Sep 22, 2026
17	Unsw Centre For Sustainable Development Reform	Strong evidence	Kensington, AustraliaHQ checked Sep 22, 2026	11-50	19 contacts →
	Strong evidence “The UNSW Centre for Sustainable Development Reform (CSDR) connects knowledge and people to catalyse pragmatic and ambitious legal, policy and governance reform towards sustainable…” Source: RevenueBase Database · checked Sep 22, 2026
18	People For Nature	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	1-10	17 contacts →
	Indirect evidence “People For Nature champions a citizen-centered approach, leveraging education and digital connectivity to empower public participation and collaboration in biodiversity…” Source: RevenueBase Database · checked Sep 22, 2026
19	Trillion Trees Australia	Indirect evidence	Hazelmere, AustraliaHQ checked Sep 22, 2026	1-10	14 contacts →
	Indirect evidence “Trillion Trees (formerly Men of the Trees) is a Western Australia not-for-profit, Incorporated Association, founded in 1979.” Source: RevenueBase Database · checked Sep 22, 2026
20	Oceanearth Foundation	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	1-10	14 contacts →
	Indirect evidence “OceanEarth Foundation (formerly TierraMar) is an Australia based conservation charity working to build resilient communities and reverse nature loss by helping to unlock…” Source: RevenueBase Database · checked Sep 22, 2026
21	Ocean Lovers Festival	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	1-10	12 contacts →
	Indirect evidence “As a voice for the ocean, we bring together the ideas and solutions that can help save our blue planet and connect them with the communities who can be part of the change.” Source: RevenueBase Database · checked Sep 22, 2026
22	Corethics	Partial evidence	Newcastle, AustraliaHQ checked Sep 22, 2026	11-50	12 contacts →
	Partial evidence “Corethics is an independent all-volunteer-run charity established to create sustainable and thriving communities in the developing world.” Source: RevenueBase Database · checked Sep 22, 2026
23	Watergum Community INC	Indirect evidence	Burleigh Heads, AustraliaHQ checked Sep 22, 2026	1-10	11 contacts →
	Indirect evidence “Gold Coast, QLD Australia based Environmental Charity.” Source: RevenueBase Database · checked Sep 22, 2026
24	IAN & Shirley Norman Foundation	Indirect evidence	Newcastle, AustraliaHQ checked Sep 22, 2026	1-10	10 contacts →
	Indirect evidence “The Foundation’s purpose is “To Encourage and Support Organisations that are Capable of Responding to Social and Ecological Opportunities and Challenges” The Ian and Shirley…” Source: RevenueBase Database · checked Sep 22, 2026
25	Australian Climate And Biodiversity Foundation	Indirect evidence	Sydney, AustraliaHQ checked Sep 22, 2026	1-10	9 contacts →
	Indirect evidence “At the Australian Climate and Biodiversity Foundation, we champion a future where economic prosperity and environmental protection go hand in hand.” Source: RevenueBase Database · checked Sep 22, 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: sustainable development nonprofits. 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 sustainable development nonprofits.
Partial evidence: Its own public description names part of sustainable development nonprofits, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sustainable development nonprofits. 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 184 sustainable development nonprofits based in Australia

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Sustainable development nonprofits based in Australia at a glance

As of Sep 22, 2026

4.5%Verified-email coverage

58.8Average contacts per company

1-10Median size (employees)

13.6%Largest-city concentration · Sydney

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

140

11-50

51-200

201-500

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 184 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 sustainable development nonprofits, 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 “sustainable development nonprofits”. 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 sustainable development nonprofits), 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 sustainable development nonprofits, 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, 482 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.

Sustainable development nonprofits by metro

Sustainable development nonprofits in Sydney25

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 sustainable development nonprofits, 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 sustainable development nonprofits are there based in Australia?

RevenueBase identified 184 sustainable development nonprofits 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?

Nothing, headquartered in Nowhere Else, tops this list with the largest team on record.

Which city has the most sustainable development nonprofits?

Sydney leads with 25 headquartered companies, followed by Melbourne (23) and Adelaide (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 482 verified decision-maker contacts tracked across these 184 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.