Company lists · Data refreshed September 2026
Top 25 Volunteer management organizations worldwide
RevenueBase identified 278 volunteer management organizations worldwide as of September 2026 and tracks 2,279 professional contacts across them, including 331 with verified work emails. The United States is the largest market and London the largest hub.
This list covers volunteer management organizations 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 22, 2026. Country and city lists for volunteer management organizations 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.
The 25 largest volunteer management organizations worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 73 contacts → | ||||
Strong evidence “Rosterfy is the world's leading volunteer management platform, helping organisations reduce administration, enhance volunteer experiences and scale their programs with confidence.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 38 contacts → | ||||
Partial evidence “Jaffe Management is a New York City-based company providing full-and partial-management services to associations & non-profits.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 30 contacts → | ||||
Indirect evidence “Vrijwilligerspunt stimuleert vrijwilligerswerk, geeft informatie en advies en behartigt de belangen van vrijwilligers en vrijwilligersorganisaties.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 27 contacts → | ||||
Indirect evidence “Activate Good is a 501c3 tax-exempt nonprofit serving Raleigh, Durham, Chapel Hill and the Triangle region, NC.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 25 contacts → | ||||
Partial evidence “Associacao Fazenda Vila Real De Itu is a nonprofit organization management company based out of Rod Marechal Rondon, S/N, Km 113,5, Itu, São Paulo, Brazil.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 23 contacts → | ||||
Partial evidence “Samaritan is volunteerism.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Strong evidence “I Need Helpers has established a strong reputation over the last five years in volunteer management.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Partial evidence “Agency for Volunteer Service (AVS) founded in 1970, is a non-profit charitable organization dedicated to playing a pivotal role in the promotion of sustainable volunteerism, and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Indirect evidence “Voluntarios México es una incubadora de personas extraordinarias, dedicada a la gestión y creación de programas de voluntariado corporativo para empresas; gestión de voluntarios…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 contacts → | ||||
Partial evidence “At Ashford Volunteer Centre we provide a range of services, training opportunities and a friendly volunteer service, helping those who wish to volunteer to find opportunities, and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Partial evidence “POINT is like OpenTable for volunteering – one platform to volunteer for any cause.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Partial evidence “Since 1990 Daventry Volunteer Centre has been promoting all aspects of volunteering in the local area.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Indirect evidence “We organize over ways for you to get involved every year – from working on service projects at our headquarters to helping us collect materials for food, book, and school supply…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Partial evidence “Association of Volunteer Managers (AVM) is an independent body that aims to support, represent and champion people who manage volunteers in England regardless of field, discipline…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Indirect evidence “Willkommen bei TATENDRANG – deiner Freiwilligen-Agentur in München!” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Partial evidence “South East Volunteers (formerly Monash Volunteer Resource Centre) has been supporting the community of Monash since 1985.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Partial evidence “The Volunteer Center of Brown County is a nonprofit organization creating a stronger community by engaging volunteers to support nonprofit partners.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Strong evidence “HandsOn Greater Phoenix is a nonprofit volunteer management organization.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Partial evidence “THE TOBY HENDERSON TRUST LIMITED is a nonprofit organization management company.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Strong evidence “The Council for Certification in Volunteer Administration advances the profession and practice of volunteer resource management by: Articulating core competencies for the…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Partial evidence “Business Volunteers Maryland is a nonprofit organization with a focus on connecting companies and individuals to results-focused volunteerism while fulfilling the needs of…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Indirect evidence “Cosa facciamo Offriamo alle organizzazioni accompagnamento e consulenza che le aiutino le associazioni a progettare e a formare i volontari.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 contacts → | ||||
Partial evidence “We help people find volunteering opportunities and support organisations to support their volunteers” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Partial evidence “Volunteering Northland connects and strengthens the community and voluntary sector through volunteer engagement, professional development, networking opportunities, support and…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Indirect evidence “Want to Change the World?” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
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: volunteer management organizations. 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 volunteer management organizations.
- Partial evidence
- Its own public description names part of volunteer management organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name volunteer management organizations. 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 278 volunteer management organizations worldwide
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Volunteer management organizations worldwide at a glance
As of Sep 22, 2026Companies by employee count
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 volunteer management organizations, 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 volunteer management organizations are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “volunteer management organizations”. 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 volunteer management organizations), 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 volunteer management organizations, 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, 331 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.
Volunteer management organizations by location
2 lists · largest firstEvery Volunteer management 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 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 volunteer management organizations, 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 volunteer management organizations are there worldwide?
RevenueBase identified 278 volunteer management organizations 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?
Rosterfy, headquartered in Melbourne, tops this list with the largest team on record.
Which country has the most volunteer management organizations?
The United States leads with 143 companies, followed by the United Kingdom (25). Every volunteer management organizations list by country and city is linked on this page.
Which city has the most volunteer management organizations?
London leads with 7 headquartered companies, followed by New York (7) and Topeka (4).
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 331 verified decision-maker contacts tracked across these 278 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.