Firm preview · TONNESON & COMPANY, PC
TONNESON & COMPANY, PC in the Federal Audit Clearinghouse, and the Massachusetts, New York and New Hampshire accounts worth a look
FAC filings name TONNESON & COMPANY, PC as auditor on 7 nonprofits in audit years 2024–2025 (9 single audit reports), and on 44 single audit reports of 8 nonprofits across 2016–2025. In Massachusetts, New York and New Hampshire, the latest report of 3,900 nonprofits names another firm; 1,148 of them name the same firm on 7 or more consecutive reports. Data as of 2026-10-30.
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Your record
What does FAC show TONNESON & COMPANY, PC has audited?
7 nonprofits in audit years 2024–2025; 8 across 2016–2025; 6 of them in Massachusetts, New York and New Hampshire in the last three audit years. The programs FAC names most often on those reports:
- SCIENCE (ALN 43.001, 2 organizations)
- AGRICULTURAL AND RURAL ECONOMIC RESEARCH, COOPERATIVE AGREEMENTS AND COLLABORATIONS (ALN 10.250, 1 organizations)
- CONSUMER DATA AND NUTRITION RESEARCH (ALN 10.253, 1 organizations)
Your territory
Which Massachusetts, New York and New Hampshire nonprofits have a latest report naming another firm?
3,900 nonprofits. 1,148 name the same firm on 7 or more consecutive reports, 1,581 reach a fiscal year-end in the next 90 days, and 53 had a report accepted by the FAC in the last 30 days.
| Audit firm | Nonprofits whose latest report names it |
|---|---|
| BONADIO & CO., LLP | 242 |
| PKF O'CONNOR DAVIES, LLP | 196 |
| AAFCPAs, Inc. | 177 |
| EFPR GROUP CPA'S, PLLC | 128 |
| CBIZ CPAs P.C. | 118 |
Accounts like yours
Which accounts look most like the organizations FAC names your firm on?
Ranked by likeness to your own record — expenditure band, NTEE group, state and entity type — among accounts with a public-record signal. One is named so you can check it against its filing; the product names every one.
| Organization | City · state | Federal expenditures | Most recently observed auditor | Latest signal | Likeness to your record |
|---|---|---|---|---|---|
| HARWICH CONSERVATION TRUSTFAC filing | SOUTH HARWICH · MA | $1,000,000 to $2,999,999 | Sanders Walsh & Eaton CPA LLC1 report | First single audit | 67 |
| Name in the full report | MA | $1,000,000 to $2,999,999 | Sikich CPA LLC1 report | First single audit | 67 |
| Name in the full report | MA | $1,000,000 to $2,999,999 | Citrin Cooperman & Company1 report | First single audit | 67 |
A filing names who did that work for that period. Nothing here says who audits an organization today, that an engagement is ending, or that anyone plans to change providers.