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 $70,437 to $2.7 million.

Primary location:
Lake Success, NY
Clients in:
CT, NY, DE
Identified clients:
2,467
Avg client size:
$1.7 mil revenue
Median client size:
$162 thou revenue

Foundation Source client list

  Name Type Location
1 Shelby Cullom Davis Charitable Fund 501(c)(3) Wilmington, DE
2 The Maxwellhanrahan Foundation 501(c)(3) San Francisco, CA
3 William T and Frances A Little Foundation 501(c)(3) Wilmington, DE
4 JTMF Foundation 501(c)(3) Wilmington, DE
5 The Essex Avenue Foundation 501(c)(3) Wilmington, DE
6 The Brandt Jackson Foundation 501(c)(3) Wilmington, DE
7 Visa Foundation 501(c)(3) San Francisco, CA
8 The Marisla Foundation 501(c)(3) Laguna Beach, CA
9 Swenson Family Foundation / Peter Swenson 501(c)(3) Wilmington, DE
10 Nova Vista Foundation 501(c)(3) Wilmington, DE
... and 2,457 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, Fifth Third Bank, Wells Fargo Bank, SunTrust Bank, US Bank, Kemper CPA Group LLP, Rea and Associates Inc, Pricewaterhousecoopers LLP, Skody Scot and Co CPAs PC, and Eisneramper LLP.

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