Cause IQ vendor profile

Foundation Source


Foundation Source is a firm that provides tax accounting and foundation administration to nonprofit clients. They primarily provide their services regionally, with most clients in Delaware (although they are present in other states as well).

Most Foundation Source clients are religious organizations and grantmaking foundations with revenues ranging from $49,908 to $2.0 million.

Primary location:
Lake Success, NY
Clients in:
NY, CT, DE
Identified clients:
2,391
Avg client size:
$1.1 mil revenue
Median client size:
$119 thou revenue

Foundation Source client list

 NameTypeLocation
1Shelby Cullom Davis Charitable Fund501(c)(3)Wilmington, DE
2The Essex Avenue Foundation501(c)(3)Wilmington, DE
3The Maxwellhanrahan Foundation501(c)(3)San Francisco, CA
4Visa Foundation501(c)(3)San Francisco, CA
5Sternlicht Family Foundation501(c)(3)Wilmington, DE
6The MONARCH Foundation501(c)(3)Wilmington, DE
7Moccasin Lake Foundation501(c)(3)Wilmington, DE
8The Marisla Foundation501(c)(3)Laguna Beach, CA
9Lytton-Kambara Foundation501(c)(3)Wilmington, DE
10Morgridge Family Foundation501(c)(3)Wilmington, DE
...and 2,381 more Foundation Source not-for-profit tax-exempt clients identified by Cause IQ

Foundation Source competitors

Competitors to Foundation Source in the nonprofit sector include Northern Trust, Wells Fargo Bank, Fifth Third Bank, SunTrust Bank, US Bank, Liberty Tax Service, Na, Eisner Advisory Group LLC, Hill Barth and King LLC, and RKL LLP.

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