Company lists · Data verified August 2026

Top 25 Charitable giving platforms based in the United States

Name: Charitable giving platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 559 companies tracked

There are 559 charitable giving platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 8,218 professional contacts across them, including 2,895 with verified work emails and 3,460 with mobile numbers. New York is the largest hub.

This list covers charitable giving platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

559Companies

8,218Contacts tracked

2,895Verified emails

3,460Mobile numbers

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The 25 largest charitable giving platforms based in the United States

Ranked by team size

Top 25 of 559 charitable giving platforms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Bloomerang	Indianapolis, IN	201-500	511	36
2	Onecause, A Bonterra Company	Carmel, IN	51-200	362	233
3	Fundraise UP	New York	201-500	338	214
4	Vertical Raise	Coeur D Alene, ID	201-500	267	153
5	Submittable	Missoula, MT	51-200	238	135
6	Freewill	New York City	51-200	209	162
7	Neon ONE	Chicago, IL	201-500	190	158
8	Virtuous	Phoenix, AZ	51-200	188	127
9	Donorbox	Alexandria, VA	51-200	152	77
10	Givebutter	Remote Usa	51-200	142	97
11	Classy	San Diego, CA	201-500	132	69
12	Givecampus	Washington, DC	51-200	131	88
13	Globalgiving	Washington, DC	51-200	110	61
14	Givelify	Indianapolis, IN	51-200	105	73
15	Network For Good IS NOW Bonterra	Washington, DC	51-200	79	12
16	Qtego Fundraising Services	Indianapolis, IN	51-200	76	21
17	charidy.com	New York	51-200	65	46
18	DEED	San Francisco, CA	51-200	59	31
19	Engaging Networks	Washington, DC	51-200	51	41
20	Funraise	Costa Mesa, CA	51-200	47	12
21	Answernet Nonprofit	Horsham, PA	501-1,000	47	5
22	Click & Pledge	Blacksburg, VA	51-200	45	27
23	Encoura Scalefunder	Austin, TX	1,001-5,000	45	2
24	The Giving Block	Center Valley, PA	51-200	33	22
25	Amalgamated Foundation	Washington, DC	201-500	31	17

Showing 25 of 559 charitable giving platforms based in the United States

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Charitable giving platforms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 29 HQs

3,460Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

376

11-50

126

51-200

201-500

501-1,000

1,001-5,000

Charitable giving platforms by metro

Metro	Companies
Charitable giving platforms in New York	29
Charitable giving platforms in Los Angeles	27
Charitable giving platforms in San Francisco	26
Charitable giving platforms in Washington	16
Charitable giving platforms in Austin	14
Charitable giving platforms in Atlanta	14
Charitable giving platforms in Chicago	13
Charitable giving platforms in Minneapolis	9

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “charitable giving platforms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 13 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many charitable giving platforms are there based in the United States?

There are 559 charitable giving platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Bloomerang, headquartered in Indianapolis, tops this list with the largest team on record.

Which city has the most charitable giving platforms?

New York leads with 29 headquartered companies, followed by Los Angeles (27) and San Francisco (26).

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 2,895 verified decision-maker contacts tracked across these 559 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.