Company lists · Data verified August 2026

Top 25 Donor management software companies based in the United States

Name: Donor management software companies 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 155 companies tracked

There are 155 donor management software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 3,730 professional contacts across them, including 1,309 with verified work emails and 1,417 with mobile numbers. New York is the largest hub.

This list covers donor management software companies 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.

155Companies

3,730Contacts tracked

1,309Verified emails

1,417Mobile numbers

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The 25 largest donor management software companies based in the United States

Ranked by team size

Top 25 of 155 donor management software companies 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	Community Brands	St. Petersburg, FL	1,001-5,000	868	327
2	Bloomerang	Indianapolis, IN	201-500	511	36
3	Fundraise UP	New York	201-500	338	214
4	Kindsight	Scottsdale, AZ	201-500	194	131
5	Cybergrants IS NOW Bonterra	Andover, MA	51-200	188	22
6	Agate Software	Okemos, MI	51-200	86	53
7	Donorperfect	Fort Washington, PA	201-500	74	16
8	NPACT	Boston, MA	51-200	51	42
9	Givingdata	Cambridge, MA	11-50	49	32
10	Answernet Nonprofit	Horsham, PA	501-1,000	47	5
11	Temelio	New York	11-50	39	19
12	Stratuslive	Chesapeake, VA	11-50	38	34
13	Humanitru	Richmond, VA	11-50	33	21
14	Andar Software	New York, NY	11-50	31	20
15	Arreva	Fort Lauderdale, FL	11-50	27	17
16	RE Members Fraternities & Sororities	New Orleans, LA	11-50	25	16
17	Auxilia	Denver	11-50	25	11
18	Mentissoft	NJ	11-50	22	9
19	Atticus	Charlotte, NC	11-50	21	13
20	Afrus Impact Technologies Corporation	Port Saint Lucie, FL	11-50	21	3
21	Urgensee, INC	Houston, TX	11-50	20	15
22	Instil	Los Angeles, CA	11-50	20	14
23	Admire PRO	Lakewood, NJ	11-50	19	11
24	Giveffect	San Francisco, CA	51-200	18	8
25	affnetz.com	Maple Grove, MN	11-50	18	5

Showing 25 of 155 donor management software companies based in the United States

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Donor management software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 7 HQs

1,417Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Donor management software companies by metro

Metro	Companies
Donor management software companies in New York	7
Donor management software companies in Boston	4
Donor management software companies in Denver	4
Donor management software companies in Rochester	3
Donor management software companies in Wexford	3
Donor management software companies in Seattle	3
Donor management software companies in Phoenix	3
Donor management software companies in Indianapolis	3

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 “donor management software companies”, 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; 0 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 donor management software companies are there based in the United States?

There are 155 donor management software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Community Brands, headquartered in St. Petersburg, tops this list with the largest team on record.

Which city has the most donor management software companies?

New York leads with 7 headquartered companies, followed by Boston (4) and Denver (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 1,309 verified decision-maker contacts tracked across these 155 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.