Company lists · Data refreshed November 2026

Top 25 Volunteer database developers worldwide

RevenueBase identified 286 company matches for volunteer database developers worldwide as of November 2026 and tracks 2,978 professional contacts across them, including 744 with verified work emails. The United States is the largest market and Austin the largest hub.

This list covers company matches for volunteer database developers 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 database developers 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
286Companies
2,978Contacts tracked
744Verified emails
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The 25 largest volunteer database developers worldwide

Ranked by team size
Top 25 of 286 company matches for volunteer database developers 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 matchIndianapolis, IN, United StatesHQ recorded Nov 6, 2026201-500574 contacts →

Exact match

“Bloomerang is the Giving Platform built for purpose, trusted by nonprofits to raise more funds, retain more supporters, and create lasting change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026201-500198 contacts →

Exact match

“The average small to midsize nonprofit uses three to five tools to manage their donors, volunteers, and communications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact 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
7Exact matchZwolle, NetherlandsHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Christal is een huis van verbinding.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Rosterfy is the world's leading volunteer management platform, helping organisations reduce administration, enhance volunteer experiences and scale their programs with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHamilton, CanadaHQ recorded Nov 6, 202611-5067 contacts →

Exact match

“Better Impact has been serving volunteer services and donor relations teams with program management software, since Small, medium and enterprise sized organizations across the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“OneOC's mission is to accelerate nonprofit success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“GivePulse is the online community enabling everyone to list, find, coordinate, and measure their impact in the community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSalt Lake City, UT, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Samaritan is volunteerism.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDublin, OH, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Connecting People with Purpose Managing volunteers can be a difficult and time consuming process for any organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTaguig, PhilippinesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“iVolunteer Philippines is the first and only tech-based non-profit organization in the Philippines which focuses on volunteer development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRanders, DenmarkHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Unioo - Revolutionizing Organizational Management Unioo is leading the way in reshaping organizational management and volunteer engagement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“Lumaverse Technologies brings together a suite of solutions that focus on scheduling, coordination, communication, registration, member, volunteer, and fundraising management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Give a Day is a volunteering platform that aims to connect people and organisations to increase social impact through volunteering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSaltillo, MexicoHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Voluntarios México es una incubadora de personas extraordinarias, dedicada a la gestión y creación de programas de voluntariado corporativo para empresas; gestión de voluntarios…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSylvania, OH, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Lyon Software has developed and delivered quality software and services for healthcare, education and nonprofit organizations since 1984.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMunich, GermanyHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“We believe in a world where everyone can simply do good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStockholm, SwedenHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Volontärbyrån förmedlar kontakt mellan volontärer och ideella organisationer samt erbjuder stöd och utbildning i volontärsamordning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew York, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Mobilize is the events management and volunteer recruitment platform that connects mission-driven organizations and their supporters.”

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

Showing 25 of 286 volunteer database developers worldwide

See the full list, filter by size, metro and specialty, and access 744 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Volunteer database developers worldwide at a glance

As of Nov 6, 2026
25.0%Verified-email coverage
10.4Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
199
11-50
70
51-200
11
201-500
3
10001+
1

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 database developers are linked below.
What qualifies
Company records worldwide whose business descriptions match “volunteer database developers” 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 744 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 database developers by location

1 lists · largest first

Every Volunteer database developers 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 database developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many volunteer database developers are there worldwide?

RevenueBase identified 286 company matches for volunteer database developers 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?

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

Which country has the most volunteer database developers?

The United States leads with 99 companies. Every volunteer database developers list by country and city is linked on this page.

Which city has the most volunteer database developers?

Austin leads with 5 company records, followed by New York (5) and London (4).

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 744 professional contacts with verified work emails tracked across these 286 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.