Company lists · Data refreshed September 2026

Top 25 Corporate foundation advisors worldwide

RevenueBase identified 2,945 corporate foundation advisors worldwide as of September 2026 and tracks 10,995 professional contacts across them, including 4,211 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers corporate foundation advisors 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 19, 2026. Country and city lists for corporate foundation advisors 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.

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
2,945Companies
10,995Contacts tracked
4,211Verified emails
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The 25 largest corporate foundation advisors worldwide

Ranked by team size
Top 25 of 2,945 corporate foundation advisors worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to corporate foundation advisors: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceFairfield, CT, United StatesHQ checked Sep 19, 2026201-500268 contacts →

Partial 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
2Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 2026n/a232 contacts →

Indirect evidence

“TCC Group collaborates with leaders to solve complex social problems.”

Source: RevenueBase Database · checked Sep 19, 2026
3Strong evidenceWashington, DC, United StatesHQ checked Sep 19, 2026201-500227 contacts →

Strong 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
4Indirect evidenceUsa, United StatesHQ checked Sep 19, 202651-200125 contacts →

Indirect evidence

“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceBend, OR, United StatesHQ checked Sep 19, 202651-200106 contacts →

Indirect evidence

“Zuri Group partners with nonprofit organizations to turn big ideas into reality.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceChicago, IL, United StatesHQ checked Sep 19, 202651-200102 contacts →

Indirect evidence

“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceToronto, ON, CanadaHQ checked Sep 19, 202651-200101 contacts →

Indirect evidence

“At KCI, we are a firm focused on values and people…both ours and yours.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 19, 202651-20088 contacts →

Indirect evidence

“One of Fast Company's 2025 Best Workplaces for Innovators!* Third Plateau is an impact consultancy on a mission to build lasting social good.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidencePhiladelphia, PA, United StatesHQ checked Sep 19, 202651-20083 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
10Indirect evidenceLyndhurst, NJ, United StatesHQ checked Sep 19, 202651-20079 contacts →

Indirect evidence

“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.”

Source: RevenueBase Database · checked Sep 19, 2026
11Strong evidenceColumbus, OH, United StatesHQ checked Sep 19, 202651-20077 contacts →

Strong evidence

“The Columbus Foundation is The Trusted Philanthropic Advisor® to more than individuals, families, and businesses that have created unique funds and planned gifts to make a…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceBoston, MA, United StatesHQ checked Sep 19, 202651-20074 contacts →

Indirect evidence

“At ESC, our mission is to empower nonprofits to achieve their goals & contribute to a more just and equitable world.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceRancho Cordova, CA, United StatesHQ checked Sep 19, 202651-20066 contacts →

Indirect evidence

“Real Solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-5061 contacts →

Partial evidence

“Freedman Consulting, LLC, a mission-driven firm, offers strategic consulting services to foundations, nonprofit organizations, and public interest coalitions, advising many of the…”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceRaleigh, NC, United StatesHQ checked Sep 19, 202611-5056 contacts →

Indirect evidence

“We help nonprofits amplify their impact to create more good in the world.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202651-20055 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
17Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 202611-5054 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
18Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 19, 202611-5049 contacts →

Indirect evidence

“Coxe Curry & Associates is the Atlanta consulting firm creating the strategies and connections that help nonprofits thrive.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceNew Delhi, IndiaHQ checked Sep 19, 202611-5049 contacts →

Indirect evidence

“Welcome to 180 Degrees Consulting SGTB Khalsa, where we believe that every non-profit has the potential to change the world.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceRaleigh, NC, United StatesHQ checked Sep 19, 202611-5046 contacts →

Indirect evidence

“As nonprofit leaders, you have to stay agile and resilient to remain profitable, sustainable, and ahead-always ensuring that growth equals funding, and that funding equals…”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceChennai, IndiaHQ checked Sep 19, 202611-5046 contacts →

Indirect evidence

“CSR in India is no longer just a compliance mandate.”

Source: RevenueBase Database · checked Sep 19, 2026
22Strong evidenceNew York, NY, United StatesHQ checked Sep 19, 202651-20045 contacts →

Strong 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
23Partial evidenceNew York, United StatesHQ checked Sep 19, 202651-20044 contacts →

Partial evidence

“Changing Our World is a trusted social impact consulting firm that advises leading corporations and nonprofit organizations.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceVero Beach, FL, United StatesHQ checked Sep 19, 202611-5043 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
25Indirect evidenceDundee, FranceHQ checked Sep 19, 202611-5042 contacts →

Indirect evidence

“At More Partnership, we advance great ambitions.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 2,945 corporate foundation advisors worldwide

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Corporate foundation advisors worldwide at a glance

As of Sep 19, 2026
38.3%Verified-email coverage
3.7Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · New York
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
2,626
11-50
272
51-200
38
201-500
5
501-1,000
2

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 corporate foundation advisors, 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 corporate foundation advisors are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “corporate foundation advisors”. 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 corporate foundation advisors), 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 corporate foundation advisors, 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, 4,211 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.

Corporate foundation advisors by location

13 lists · largest first

Every Corporate foundation advisors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 corporate foundation advisors, 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 corporate foundation advisors are there worldwide?

RevenueBase identified 2,945 corporate foundation advisors 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?

Foundation Source, headquartered in Fairfield, tops this list with the largest team on record.

Which country has the most corporate foundation advisors?

The United States leads with 1,707 companies, followed by Canada (139) and Australia (37). Every corporate foundation advisors list by country and city is linked on this page.

Which city has the most corporate foundation advisors?

New York leads with 92 headquartered companies, followed by Chicago (70) and Washington (68).

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 4,211 verified decision-maker contacts tracked across these 2,945 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.