Thompson Greenspon is a firm that provides tax accounting and audit accounting to nonprofit clients. They primarily provide their services regionally, with most clients in Virginia, District of Columbia, and Maryland (although they are present in other states as well).
Most Thompson Greenspon clients are professional associations, civic and social organizations, social advocacy organizations, trade associations, and grantmaking foundations with revenues ranging from $206,035 to $7.4 million.
Previous legal names, trade names, or just variations of their name include: Thompson Greenspon and Company; and Thompson Greenspon and Co PC.
| Name | Type | Location | |||
|---|---|---|---|---|---|
| 1 | National Institute of Governmental Purchasing | 501(c)(3) | Reston, VA | ||
| 2 | National Guard Association of the United States (NGAUS) | 501(c)(19) | Washington, DC | ||
| 3 | National Association of Independent Schools | 501(c)(3) | Washington, DC | ||
| 4 | American Alliance of Museums (AAM) | 501(c)(3) | Arlington, VA | ||
| 5 | Automotive Service Excellence (ASE) | 501(c)(6) | Leesburg, VA | ||
| 6 | Real Estate Roundtable (RER) | 501(c)(6) | Washington, DC | ||
| 7 | National Association for Law Placement (NALP) | 501(c)(6) | Washington, DC | ||
| 8 | Industrial Truck Association (ITA) | 501(c)(6) | Washington, DC | ||
| 9 | American Thoracic Society / Karen Collishaw Executive Director (ATS) | 501(c)(3) | New York, NY | ||
| 10 | ImpactIsrael (FYO) | 501(c)(3) | Needham, MA | ||
| ... | and 89 more Thompson Greenspon not-for-profit tax-exempt clients identified by Cause IQ | ||||
Competitors to Thompson Greenspon in the nonprofit sector include Cullari Carrico Soojian Burke LLC, Meyer Regan and Wilner LLP, RLH CPAs and Business Advisors LLC, Saslow Lufkin and Buggy LLP, Romberger Wilson and Beeson Inc, Berger Lewis Accountancy Corporation, Smith Barta and Company, Hinricher Douglas and Porter LLP, SS&G Inc, and Joseph Decosimo and Company PLLC.
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