Company lists · Data refreshed September 2026

Top 25 Animal rights advocacy groups worldwide

RevenueBase identified 635 animal rights advocacy groups worldwide as of September 2026 and tracks 11,604 professional contacts across them, including 3,300 with verified work emails. The United States is the largest market and London the largest hub.

This list covers animal rights advocacy groups worldwide, 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 19, 2026. Country and city lists for animal rights advocacy groups follow the table.

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 19, 2026 86% judged on-target in blind review
635Companies
11,604Contacts tracked
3,300Verified emails
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The 25 largest animal rights advocacy groups worldwide

Ranked by team size
Top 25 of 635 animal rights advocacy groups worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to animal rights advocacy groups: 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 evidenceHorsham, United KingdomHQ checked Sep 19, 20261,001-5,0002,027 contacts →

Partial evidence

“We’re here for every kind, through rescue and rehab, advocacy, education and prevention.”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceNorfolk, VA, United StatesHQ checked Sep 19, 2026201-500592 contacts →

Partial evidence

“People for the Ethical Treatment of Animals (PETA) entities have more than 10.4 million members and supporters globally, and PETA U.S.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceVienna, AustriaHQ checked Sep 19, 2026501-1,000535 contacts →

Partial evidence

“FOUR PAWS is the global animal welfare organisation for animals under direct human influence, which reveals suffering, rescues animals in need and protects them.”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceBoston, MA, United StatesHQ checked Sep 19, 2026201-500502 contacts →

Partial evidence

“The mission of the Massachusetts Society for the Prevention of Cruelty to Animals is to protect animals, relieve their suffering, advance their health and welfare, prevent…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceThe Hague, NetherlandsHQ checked Sep 19, 2026201-500445 contacts →

Indirect evidence

“De Dierenbescherming is met een achterban van bijna mensen (leden, donateurs en vrijwilligers) de grootste organisatie in Nederland die opkomt voor de belangen van alle dieren.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceGurgaon, IndiaHQ checked Sep 19, 2026n/a412 contacts →

Partial evidence

“Pawzz is an animal welfare organization that provides food, medical assistance, rescue operations, temporary shelters and sterilisation drives for stray animals.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 19, 2026201-500276 contacts →

Partial evidence

“At World Animal Protection, we are a global organisation dedicated to ending the exploitation of animals.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceDeakin West, AustraliaHQ checked Sep 19, 2026n/a225 contacts →

Partial evidence

“The RSPCA is an independent, community-based charity providing animal care and protection services across the country.”

Source: RevenueBase Database · checked Sep 19, 2026
9Partial evidenceYagoona, AustraliaHQ checked Sep 19, 2026201-500219 contacts →

Partial evidence

“The RSPCA is the voice for the animals of Australia.”

Source: RevenueBase Database · checked Sep 19, 2026
10Partial evidenceWest Hollywood, CA, United StatesHQ checked Sep 19, 202651-200202 contacts →

Partial evidence

“Mercy For Animals believes that a humane society is possible.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceSøborg, DenmarkHQ checked Sep 19, 2026201-500182 contacts →

Indirect evidence

“Dyrenes Beskyttelse er der for alle dyr.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceGodalming, United KingdomHQ checked Sep 19, 202651-200175 contacts →

Indirect evidence

“Compassion in World Farming was founded in 1967 by a British farmer who became horrified by the development of modern, intensive factory farming.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceNew York, NY, United StatesHQ checked Sep 19, 202651-200145 contacts →

Partial evidence

“The Humane League is an global nonprofit ending the abuse of animals raised for food.”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 202651-200134 contacts →

Partial evidence

“Since our founding nearly 150 years ago, American Humane Society has served as a beacon for all those who cherish the human-animal bond.”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 202651-200133 contacts →

Partial evidence

“Founded in 1979 by attorneys active in shaping the emerging field of animal law, the Animal Legal Defense Fund blazes the trail for stronger enforcement of anti-cruelty laws and…”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceToronto, ON, CanadaHQ checked Sep 19, 202651-200129 contacts →

Partial evidence

“Our Vision is to be a leader in animal welfare, working for a compassionate society where all animals are respected and valued.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceRoma, ItalyHQ checked Sep 19, 202651-200110 contacts →

Partial evidence

“La LAV ha per fine la Liberazione animale, l’affermazione dei diritti degli animali non umani e la loro protezione, la lotta alla zoomafia e la difesa dell’ambiente.”

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceMontreal, QC, CanadaHQ checked Sep 19, 202651-200110 contacts →

Partial evidence

“Fondée à Montréal en 1869, la Société Canadienne pour la Prévention de la Cruauté envers les Animaux (maintenant mieux connue sous l’appellation SPCA de Montréal) fut la première…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceGaithersburg, MD, United StatesHQ checked Sep 19, 202610001+104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceBirmingham, United KingdomHQ checked Sep 19, 202651-20083 contacts →

Indirect evidence

“We are here to help people go vegan and stay vegan.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceStockholm, SwedenHQ checked Sep 19, 202651-20076 contacts →

Indirect evidence

“Each day we are shaping the opinions of the people through articles in newspapers and magazines, interaction via social media, our extensive summer tour and via our campaigns.”

Source: RevenueBase Database · checked Sep 19, 2026
22Strong evidenceMumbai, IndiaHQ checked Sep 19, 202651-20066 contacts →

Strong evidence

“People for the Ethical Treatment of Animals (PETA) India, founded in has more than 2 million members and supporters and is the best-known animal rights organization in the country.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceBrussels, BelgiumHQ checked Sep 19, 202611-5064 contacts →

Partial evidence

“Eurogroup for Animals is the leading voice for animal welfare at European Union level providing a voice for the billions of animals kept in laboratories, farms and homes or living…”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceLyon, FranceHQ checked Sep 19, 202651-20063 contacts →

Partial evidence

“L214 Éthique & Animaux est une association loi 1908 tournée vers les animaux utilisés dans la production alimentaire et révélant leurs conditions d'élevage, de transport, de pêche…”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-5063 contacts →

Partial evidence

“Humane Society International works around the globe to promote the human-animal bond, rescue and protect dogs and cats, improve farm animal welfare, protect wildlife, promote…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 635 animal rights advocacy groups worldwide

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Animal rights advocacy groups worldwide at a glance

As of Sep 19, 2026
28.4%Verified-email coverage
18.3Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
381
11-50
168
51-200
57
201-500
11
501-1,000
3
1,001-5,000
6
10001+
4

Email recency is reported on each country list linked below.

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 animal rights advocacy groups, 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.
Coverage
Every country. Country and city lists for animal rights advocacy groups are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “animal rights advocacy groups”. 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 animal rights advocacy groups), 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 animal rights advocacy groups, and records with no verified work email.
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, 3,300 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 19, 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.

Animal rights advocacy groups by location

4 lists · largest first

Every Animal rights advocacy groups list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 animal rights advocacy groups, 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 animal rights advocacy groups are there worldwide?

RevenueBase identified 635 animal rights advocacy groups worldwide 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?

RSPCA, headquartered in Horsham, tops this list with the largest team on record.

Which country has the most animal rights advocacy groups?

The United States leads with 147 companies, followed by Canada (29) and the United Kingdom (29). Every animal rights advocacy groups list by country and city is linked on this page.

Which city has the most animal rights advocacy groups?

London leads with 13 headquartered companies, followed by Washington (13) and New York (10).

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 3,300 verified decision-maker contacts tracked across these 635 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 19, 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.