Nonprofit Auditors and CPA Firms in Illinois
In audit years 2025–2026, 80 CPA firms were observed as primary auditor on single audits of at least two Illinois nonprofits in the Federal Audit Clearinghouse. CLIFTONLARSONALLEN LLP was observed on the most (61 nonprofits). Data as of 2026-09-11.
Data as of Sep 11, 2026 · Source: Federal Audit Clearinghouse (public data)
Which firms audit nonprofits in Illinois?
| Firm | City | Nonprofit auditees (2 y) | Reports (2 y) | Median federal expenditures |
|---|---|---|---|---|
| CLIFTONLARSONALLEN LLP | MINNEAPOLIS | 61 | 61 | $2,725,634 |
| Sikich CPA LLC | NAPERVILLE | 55 | 57 | $3,920,471 |
| PLANTE & MORAN, PLLC | COLUMBUS | 40 | 41 | $3,906,005 |
| DUGAN & LOPATKA | WARRENVILLE | 34 | 34 | $1,616,598 |
| RSM US LLP | CHICAGO | 31 | 35 | $6,131,733 |
| Baker Tilly US, LLP | MADISON | 25 | 25 | $3,979,944 |
| Porte Brown LLC | ELK GROVE VILLAGE | 21 | 21 | $2,221,755 |
| WIPFLI LLP | MADISON | 19 | 19 | $3,382,236 |
| Desmond & Ahern, Ltd. | CHICAGO | 17 | 17 | $3,448,794 |
| GRAY HUNTER STENN LLP | QUINCY | 14 | 17 | $1,188,290 |
| Wieland Wallace Inc. | BATAVIA | 14 | 14 | $6,286,969 |
| CHERRY BEKAERT LLP | VIRGINIA BEACH | 13 | 13 | $1,986,382 |
| COMER NOWLING AND ASSOCIATES, PC | INDIANAPOLIS | 13 | 13 | $3,263,246 |
| FORVIS, LLP | SPRINGFIELD | 12 | 12 | $5,355,827 |
| GRANT THORNTON LLP | NEW YORK | 12 | 12 | $4,636,210 |
| OSTROW REISIN BERK & ABRAMS, LTD. | CHICAGO | 11 | 11 | $2,155,960 |
| SASSETTI LLC | OAK BROOK | 11 | 11 | $2,993,965 |
| CROWE LLP | SACRAMENTO | 10 | 10 | $9,769,107 |
| Eck, Schafer & Punke LLP | SPRINGFIELD | 8 | 9 | $3,796,892 |
| KERBER, ECK & BRAECKEL LLP | MARION | 8 | 8 | $3,166,872 |
| MAY, COCAGNE & KING, P.C. | DECATUR | 8 | 8 | $1,946,340 |
| APRIO, LLP | ATLANTA | 7 | 7 | $1,828,396 |
| BENFORD BROWN AND ASSOCIATES, LLC | CHICAGO | 7 | 7 | $3,020,009 |
| CAPINCROUSE LLP | LAWRENCEVILLE | 7 | 7 | $8,471,899 |
| EDER, CASELLA & CO. | MCHENRY | 7 | 7 | $1,893,145 |
| MILLER COOPER & CO., LTD. | DEERFIELD | 7 | 7 | $2,227,131 |
| CohnReznick LLP | BETHESDA | 6 | 6 | $5,439,267 |
| DAUBY O'CONNOR & ZALESKI, LLC | CARMEL | 6 | 6 | $1,410,621 |
| LAUTERBACH & AMEN, LLP | NAPERVILLE | 6 | 6 | $1,421,998 |
| WADE STABLES P.C. | HANNIBAL | 6 | 6 | $2,194,970 |
| DELOITTE & TOUCHE LLP | LOS ANGELES | 5 | 5 | $20,199,690 |
| Evolve Attestation Services, Inc. - dba Evolve Financial I | ARLINGTON HEIGHTS | 5 | 5 | $1,401,851 |
| GORDON, STOCKMAN & WAUGH, P.C. | PEORIA | 5 | 5 | $3,394,984 |
| LOPEZ AND COMPANY, CPAs LTD. | CHICAGO | 5 | 5 | $5,607,106 |
| PRADO & RENTERIA CPAS, PROF. CORP. | CHICAGO | 5 | 5 | $5,207,762 |
| RINGOLD FINANCIAL MANAGEMENT SERVICES | TINLEY PARK | 5 | 5 | $1,870,712 |
| RUBINBROWN LLP | DENVER | 5 | 5 | $4,258,377 |
| SELDEN FOX, LTD. | OAK BROOK | 5 | 5 | $3,941,825 |
| ARTHUR S GUNN LTD | NORTHBROOK | 4 | 4 | $1,358,017 |
| CBIZ CPAs P.C. | BOSTON | 4 | 4 | $2,386,166 |
| LUCAS GROUP CPAS + ADVISORS, PLLC. | ROCKFORD | 4 | 4 | $1,609,075 |
| MITCHELL & TITUS LLP | NEW YORK | 4 | 4 | $2,526,427 |
| Benning Group, LLC | FREEPORT | 3 | 3 | $1,371,274 |
| CITRIN COOPERMAN & COMPANY, LLP | FORT LAUDERDALE | 3 | 3 | $6,941,265 |
| Capital Accounting & Audit, LLC | SPRINGFIELD | 3 | 3 | $1,740,517 |
| ERNST & YOUNG LLP | NEW YORK | 3 | 3 | $39,867,479 |
| HOPKINS & ASSOCIATES, CPAS | GRANVILLE | 3 | 3 | $1,168,171 |
| KEMPER CPA GROUP LLP | ROBINSON | 3 | 3 | $1,061,127 |
| Lafayette Linear, CPA, LLC | OLYMPIA FIELDS | 3 | 3 | $1,912,775 |
| MK Group CPAs & Consultants LLC | OAKBROOK | 3 | 3 | $3,534,124 |
| Mann. Weitz & Associates LLC | DEERFIELD | 3 | 3 | $1,250,201 |
| NOVOGRADAC & COMPANY LLP | TOMS RIVER | 3 | 3 | $1,195,674 |
| OMOTOSHO & ASSOCIATES CPAS, LLC | CHICAGO | 3 | 3 | $1,822,721 |
| RICE SULLIVAN, LLC | DU QUOIN | 3 | 3 | $2,754,796 |
| Ragland, Arnold, Buchanan, Morris & Associates LLC | MOKENA | 3 | 3 | $3,064,440 |
| Tarwater & Company, PC | KNOXVILLE | 3 | 3 | $5,891,582 |
| WATLER ACCOUNTING CPAS PC | MT CARMEL | 3 | 3 | $1,833,350 |
| WERMER, ROGERS, DORAN & RUZON, LLC | JOLIET | 3 | 3 | $8,027,792 |
| ANDERS MINKLER HUBER & HELM LLP | ST. LOUIS | 2 | 2 | $3,202,776 |
| ANDERSON, LOWER, WHITLOW, P.C. | BETTENDORF | 2 | 2 | $1,325,112 |
| Armanino | DALLAS | 2 | 2 | $2,143,245 |
| BAKER MEINZ & ASSOCIATES, LTD | MINNEAPOLIS | 2 | 2 | $10,814,240 |
| DOEHRING, WINDERS & CO. LLP | MATTOON | 2 | 2 | $2,201,229 |
| EIDE BAILLY LLP | RANCHO CUCAMONGA | 2 | 2 | $10,189,930 |
| EISNERAMPER LLP | COLUMBUS | 2 | 2 | $2,014,525 |
| FICK, EGGEMEYER & WILLIAMSON, CPA'S | SAINT LOUIS | 2 | 2 | $3,218,245 |
| FLOYD & ASSOCIATES, CPAS | CLINTON | 2 | 2 | $836,421 |
| Grieco & Adelman | DES PLAINES | 2 | 2 | $3,773,919 |
| ICL, LLC | CHICAGO | 2 | 2 | $1,848,704 |
| IL NFP AUDIT AND TAX, LLP | CHICAGO | 2 | 2 | $2,736,041 |
| JOSHUA S RICHARDSON, CPA, PC | CANTON | 2 | 2 | $3,737,018 |
| Kolnicki, Peterson, Wirth LLC | DOWNERS GROVE | 2 | 2 | $1,907,317 |
| Legacy Shore Group, PLLC | CHICAGO | 2 | 2 | $3,822,168 |
| PKF O'CONNOR DAVIES, LLP | HARRISON | 2 | 2 | $5,754,923 |
| Peter Shannon & Co. | COUNTRYSIDE | 2 | 2 | $13,648,847 |
| Russell Leigh and Associates LLC | HOOPESTON | 2 | 2 | $1,332,790 |
| SCHEFFEL BOYLE | ALTON | 2 | 2 | $4,837,096 |
| SCHMERSAHL TRELOAR & CO. | ST LOUIS | 2 | 2 | $3,405,578 |
| Striegel Knobloch & Company, LLC | BLOOMINGTON | 2 | 2 | $2,856,798 |
| WIPFLI LLP | MADISON | 2 | 2 | $18,203,842 |
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.