Nonprofit Auditors and CPA Firms in Maine

In audit years 2025–2026, 17 CPA firms were observed as primary auditor on single audits of at least two Maine nonprofits in the Federal Audit Clearinghouse. BDMP Assurance, LLP was observed on the most (68 nonprofits). Data as of 2026-09-11.

Data as of Sep 11, 2026 · Source: Federal Audit Clearinghouse (public data)

Which firms audit nonprofits in Maine?

Firms filing nonprofit single audits in Maine
FirmCityNonprofit auditees (2 y)Reports (2 y)Median federal expenditures
BDMP Assurance, LLPPORTLAND6869$3,576,399
OTIS ATWELLSOUTH PORTLAND2020$2,252,223
WIPFLI LLPMADISON1414$5,721,712
RHR SMITH & COMPANYBUXTON1313$3,210,776
BAKER NEWMAN & NOYES LLCPORTLAND1011$4,286,219
PURDY POWERS AND COMPANYPORTLAND1010$2,459,280
OUELLETTE & ASSOCIATES, P.A.LEWISTON912$1,701,179
CHESTER M. KEARNEY, P.A.PRESQUE ISLE88$2,645,288
RUNYON KERSTEEN OUELLETTESOUTH PORTLAND89$2,204,422
ONE RIVER CPASOAKLAND77$3,143,029
PGM,LLCBIDDEFORD78$1,492,860
EDWARDS, FAUST & SMITH, CPA'SBANGOR44$3,357,861
Freeman & Company, CPAsBANGOR44$2,711,787
NICHOLSON, MICHAUD AND COMPANYWATERVILLE44$3,966,650
WILLIAM H BREWER CPABATH44$1,572,521
Haverlock, Estey & Curran, LLCHAMPDEN22$1,996,974
KPMG LLPSEATTLE22$51,943,058

Counts show single audit reports filed in the Federal Audit Clearinghouse where the firm is listed as auditor. They are not a client list and do not describe any current engagement.

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