Company lists · Data refreshed November 2026

Top 25 Volunteer mobilization organizations worldwide

RevenueBase identified 824 company matches for volunteer mobilization organizations worldwide as of November 2026 and tracks 12,042 professional contacts across them, including 1,831 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for volunteer mobilization organizations worldwide, 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. Country and city lists for volunteer mobilization organizations follow the table.

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
824Companies
12,042Contacts tracked
1,831Verified emails
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The 25 largest volunteer mobilization organizations worldwide

Ranked by team size
Top 25 of 824 company matches for volunteer mobilization organizations worldwide, 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 matchBonn, GermanyHQ recorded Nov 6, 20265,001-10,0001,965 contacts →

Exact match

“United Nations Volunteers (UNV) is the UN organization that contributes to peace and development through volunteerism worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKøbenhavn Ø, DenmarkHQ recorded Nov 6, 2026501-1,0001,401 contacts →

Exact match

“We invite you to join the community of Danish Red Cross.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWellington, New ZealandHQ recorded Nov 6, 2026201-500513 contacts →

Exact match

“We're part of the world's largest and oldest humanitarian Movement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200313 contacts →

Exact match

“Youth for Seva (YFS), founded in April 2007, is a nationwide volunteer movement that inspires youth to volunteer and provides meaningful opportunities to serve the community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a288 contacts →

Exact match

“Taproot Foundation is a nonprofit organization connecting communities and driving social change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200281 contacts →

Exact match

“Catchafire is a place for people to come together and do good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a234 contacts →

Exact match

“VolunteerMatch, Powered by Idealist is the world's largest volunteer recruitment and engagement network.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026n/a196 contacts →

Exact match

“CrowdDoing.world is a joint initiative of Match4Action Foundation and Reframe It.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVenice, CA, United StatesHQ recorded Nov 6, 2026n/a192 contacts →

Exact match

“At Golden, we make volunteering seamless, impactful, and rewarding for everyone-whether you're a nonprofit, company, university, government, or community organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAtlanta, DC, United StatesHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“Points of Light is the world’s largest organization dedicated to volunteer service, mobilizing millions of people to take action that is changing the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“The American Red Cross prevents and alleviates human suffering in the face of emergencies by mobilizing the power of volunteers and the generosity of donors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCharlottesville, VA, United StatesHQ recorded Nov 6, 2026n/a142 contacts →

Exact match

“Founded in 1969, Madison House is a 501(c)3 nonprofit that serves as the student volunteer center at the University of Virginia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-50104 contacts →

Exact match

“O Atados é uma plataforma social online que conecta pessoas à oportunidades de voluntariado em causas sociais.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5096 contacts →

Exact match

“We're Do IT - the UK's number one volunteering platform.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchStans, SwitzerlandHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“Unsere Mitarbeitenden stehen bei uns an erster Stelle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMetuchen, NJ, United StatesHQ recorded Nov 6, 2026501-1,00089 contacts →

Exact match

“Strength in numbers The Y is a nonprofit like no other.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDenver, CO, United StatesHQ recorded Nov 6, 2026n/a87 contacts →

Exact match

“At Helper Helper we are here to, well, help.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Stichting Present is een organisatie die de betrokkenheid van burgers, bedrijven, kerken, buurten en andere sociale verbanden wil stimuleren en organiseren.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“L.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“For more than 60 years, Jesuit Volunteer Corps (JVC) has engaged young leaders in meaningful service with marginalized communities, forming changemakers committed to faith in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMattapoisett, MA, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“All Hands Volunteers is a volunteer-powered disaster relief organization dedicated to Rebuilding Hope for people impacted by natural disasters all over the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLima, PeruHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“Proa es la primera plataforma peruana que conecta personas y empresas que quieren hacer voluntariado y/o realizar donaciones con organización solidarias que necesitan su ayuda.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“iVolunteer is a social enterprise that promotes volunteering with the mission to bring volunteers and organizations together to share time, skills, and passion to promote India’s…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAsheville, NC, United StatesHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Our flagship product, Get Connected, was created for organizations who want an easy way to manage, engage, and increase the impact of volunteerism.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a55 contacts →

Exact match

“Reach Volunteering is the leading skills-based volunteering charity and the single biggest source of trustees for the voluntary sector in the UK.”

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

Showing 25 of 824 volunteer mobilization organizations worldwide

See the full list, filter by size, metro and specialty, and access 1,831 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Volunteer mobilization organizations worldwide at a glance

As of Nov 6, 2026
15.2%Verified-email coverage
14.6Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
539
11-50
186
51-200
51
201-500
19
501-1,000
6
1,001-5,000
6
5,001-10,000
3
10001+
9

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for volunteer mobilization organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “volunteer mobilization 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. 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 1,831 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.

Volunteer mobilization organizations by location

5 lists · largest first

Every Volunteer mobilization organizations 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 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 “volunteer mobilization organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many volunteer mobilization organizations are there worldwide?

RevenueBase identified 824 company matches for volunteer mobilization organizations worldwide 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?

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

Which country has the most volunteer mobilization organizations?

The United States leads with 229 companies, followed by the Netherlands (70) and Canada (50). Every volunteer mobilization organizations list by country and city is linked on this page.

Which city has the most volunteer mobilization organizations?

London leads with 14 company records, followed by New York (11) and Los Angeles (7).

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 1,831 professional contacts with verified work emails tracked across these 824 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.