Company lists · Data refreshed September 2026

Top 25 Foundation management services based in the United States

Name: Foundation management services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 764 companies tracked

RevenueBase identified 764 foundation management services headquartered in the United States as of September 2026 and tracks 8,374 professional contacts across them, including 2,911 with verified work emails. New York is the largest hub.

This list covers foundation management services headquartered in the United States, 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 19, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

764Companies

8,374Contacts tracked

2,911Verified emails

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The 25 largest foundation management services based in the United States

Ranked by team size

Top 25 of 764 foundation management services based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to foundation management services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	FPI Management	Partial evidence	Folsom, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,868 contacts →
	Partial evidence “FPI Management represents a model of corporate citizenship, through the responsible management of our company and properties, for the benefit of our clients, employees and for…” Source: RevenueBase Database · checked Sep 19, 2026
2	Seabreeze Management Company, INC	Partial evidence	Aliso Viejo, CA, United StatesHQ checked Sep 19, 2026	501-1,000	422 contacts →
	Partial evidence “Seabreeze provides full-service property management services for various property types.” Source: RevenueBase Database · checked Sep 19, 2026
3	United Apartment Group	Indirect evidence	San Antonio, TX, United StatesHQ checked Sep 19, 2026	501-1,000	389 contacts →
	Indirect evidence “Nationally recognized for excellence, United Apartment Group has over 30 years in the real estate market.” Source: RevenueBase Database · checked Sep 19, 2026
4	Orsid NEW York	Indirect evidence	New York, United StatesHQ checked Sep 19, 2026	51-200	318 contacts →
	Indirect evidence “Welcome Home!” Source: RevenueBase Database · checked Sep 19, 2026
5	Foundation Source	Strong evidence	Fairfield, CT, United StatesHQ checked Sep 19, 2026	201-500	268 contacts →
	Strong evidence “As the nation’s largest provider of foundation management services, we’re a trusted source for philanthropic expertise.” Source: RevenueBase Database · checked Sep 19, 2026
6	Arabella Advisors	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	201-500	227 contacts →
	Partial evidence “Arabella Advisors is a professional services firm that provides administrative, operational, and strategic support to nonprofits, foundations, and individual donors.” Source: RevenueBase Database · checked Sep 19, 2026
7	Global Impact	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	51-200	170 contacts →
	Indirect evidence “Global Impact serves as a trusted philanthropy advisor, intermediary, and nonprofit partner for greater giving.” Source: RevenueBase Database · checked Sep 19, 2026
8	Amphil	Partial evidence	Oak Park, IL, United StatesHQ checked Sep 19, 2026	51-200	136 contacts →
	Partial evidence “AmPhil exists to promote the art of civil association by helping philanthropists, charitable foundations, and nonprofit organizations grow and flourish through practical guidance…” Source: RevenueBase Database · checked Sep 19, 2026
9	Firstday Foundation	Strong evidence	San Antonio, TX, United StatesHQ checked Sep 19, 2026	51-200	112 contacts →
	Strong evidence “FirstDay Foundation is a charitable foundation created to provide philanthropic grants, management and governance services to nonprofit organizations doing good work in local…” Source: RevenueBase Database · checked Sep 19, 2026
10	Hektoen Institute, LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	201-500	102 contacts →
	Partial evidence “Founded in 1943, Hektoen Institute offers a full-service, turn-key grant management solution for nonprofit organizations and municipalities.” Source: RevenueBase Database · checked Sep 19, 2026
11	ORR Group	Partial evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	51-200	99 contacts →
	Partial evidence “Orr Group was born out of a need for event management and fundraising support in the philanthropic sector.” Source: RevenueBase Database · checked Sep 19, 2026
12	Schultz & Williams	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 19, 2026	51-200	83 contacts →
	Indirect evidence “Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…” Source: RevenueBase Database · checked Sep 19, 2026
13	Mainstream Nonprofit Solutions	Indirect evidence	Emporia, KS, United StatesHQ checked Sep 19, 2026	51-200	68 contacts →
	Indirect evidence “Vision: Maximize the missions of charitable organizations.” Source: RevenueBase Database · checked Sep 19, 2026
14	Community Foundation Of Middle Tennessee	Partial evidence	Nashville, TN, United StatesHQ checked Sep 19, 2026	11-50	66 contacts →
	Partial evidence “Community Foundation of Middle Tennessee (CFMT) connects generosity with need.” Source: RevenueBase Database · checked Sep 19, 2026
15	Elevate Smart Grants For Powerful Social Change	Indirect evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	51-200	55 contacts →
	Indirect evidence “Elevate is a woman-owned and woman-led business established to help nonprofit organizations of all sizes build, sustain, and grow effective grant programs.” Source: RevenueBase Database · checked Sep 19, 2026
16	BDO FMA	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	11-50	54 contacts →
	Indirect evidence “BDO FMA exists to build a community of individuals with the confidence and skills to lead organizations that change the world.” Source: RevenueBase Database · checked Sep 19, 2026
17	Rakoty Nonprofit Accountants	Partial evidence	East Brunswick, NJ, United StatesHQ checked Sep 19, 2026	11-50	53 contacts →
	Partial evidence “We provide Nonprofit organizations with quality affordable Financial & Technical management services.” Source: RevenueBase Database · checked Sep 19, 2026
18	Elma Philanthropies	Partial evidence	New York, NY, United StatesHQ checked Sep 19, 2026	51-200	45 contacts →
	Partial evidence “The ELMA Philanthropies provides philanthropic advisory services to the ELMA Group of Foundations from offices in New York, Cape Town, Johannesburg, and Kampala.” Source: RevenueBase Database · checked Sep 19, 2026
19	Carter, Advancing Philanthropy Worldwide	Indirect evidence	Vero Beach, FL, United StatesHQ checked Sep 19, 2026	11-50	43 contacts →
	Indirect evidence “Co-founded by Bob Carter and Steve Higgins in 2011, Carter selects its team members from the nation’s most respected nonprofit professionals.” Source: RevenueBase Database · checked Sep 19, 2026
20	Capital Property Solutions	Partial evidence	Worthington, OH, United StatesHQ checked Sep 19, 2026	51-200	43 contacts →
	Partial evidence “Capital Property Solutions provides management services for condominium and homeowner associations and other residential communities; and facility management services for office…” Source: RevenueBase Database · checked Sep 19, 2026
21	Benefactor Group	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 19, 2026	11-50	42 contacts →
	Indirect evidence “Serving those who serve the common good.™ Fuel your cause with powerful fundraising, people, and systems.” Source: RevenueBase Database · checked Sep 19, 2026
22	ZIM Consulting, INC	Partial evidence	Denver, CO, United StatesHQ checked Sep 19, 2026	11-50	37 contacts →
	Partial evidence “ZIM Consulting (ZIM) is a woman-owned, Denver-based, full-service consulting firm that specializes in grant management, strategic planning, and fundraising implementation services…” Source: RevenueBase Database · checked Sep 19, 2026
23	Ignite Philanthropy	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 19, 2026	11-50	36 contacts →
	Indirect evidence “Aspiring to maximize the power of giving, Ignite Philanthropy works with private donors and non-profit organizations to leverage their resources and ideas to achieve greater…” Source: RevenueBase Database · checked Sep 19, 2026
24	AMC	Partial evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	11-50	36 contacts →
	Partial evidence “AMC – Association Management Consultants, LLC established in 2002 is a leader in effectively and efficiently managing the day to day operations of 501 (c)3 and 501 (c)6…” Source: RevenueBase Database · checked Sep 19, 2026
25	Arnold Grounds	Indirect evidence	Grapevine, TX, United StatesHQ checked Sep 19, 2026	51-200	34 contacts →
	Indirect evidence “Arnold Grounds is a company based out of GRAPEVINE, TX, United States.” Source: RevenueBase Database · checked Sep 19, 2026

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: foundation management services. 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 foundation management services.
Partial evidence: Its own public description names part of foundation management services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name foundation management services. 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 764 foundation management services based in the United States

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Foundation management services based in the United States at a glance

As of Sep 19, 2026

34.8%Verified-email coverage

11.0Average contacts per company

1-10Median size (employees)

4.7%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

606

11-50

114

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 764 companies.

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 foundation management services, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “foundation management services”. 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 foundation management services), 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 foundation management services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 2,911 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 19, 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.

Foundation management services by metro

Foundation management services in New York36
Foundation management services in Chicago27
Foundation management services in Atlanta25

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 foundation management services, 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 foundation management services are there based in the United States?

RevenueBase identified 764 foundation management services headquartered in the United States 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?

FPI Management, headquartered in Folsom, tops this list with the largest team on record.

Which city has the most foundation management services?

New York leads with 36 headquartered companies, followed by Chicago (27) and Atlanta (25).

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 2,911 verified decision-maker contacts tracked across these 764 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 19, 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.