| Sikich CPA LLC | Naperville | 608 | 234 |
| CliftonLarsonAllen LLP | Peoria | 401 | 287 |
| Lauterbach & Amen, LLP | Naperville | 367 | 18 |
| Wipfli LLP | Sterling | 337 | 36 |
| Baker Tilly US, LLP | Oak Brook | 324 | 16 |
| RSM US LLP | Chicago | 302 | 181 |
| Plante & Moran, PLLC | Chicago | 163 | 162 |
| Eccezion | McHenry | 157 | 31 |
| Scheffel Boyle | Belleville | 153 | 10 |
| Bohnsack & Frommelt LLP | Moline | 151 | 0 |
| Gorenz and Associates, Ltd | Peoria | 150 | 0 |
| Crowe LLP | Chicago | 137 | 37 |
| Dugan + Lopatka, CPAs | Warrenville | 130 | 130 |
| Rice Sullivan, LLC | Du Quoin | 123 | 13 |
| Kemper CPA Group LLP | Marion | 122 | 19 |
| Russell Leigh and Associates LLC | Hoopeston | 102 | 8 |
| Miller Cooper & Co., Ltd | Deerfield | 96 | 32 |
| Porte Brown LLC | Elk Grove Village | 90 | 90 |
| Evans, Marshall and Pease, P.C. | Rolling Meadows | 83 | 3 |
| Grant Thornton LLP | Chicago | 83 | 78 |
| Wieland Wallace Inc | Batavia | 83 | 79 |
| Desmond & Ahern, Ltd | Chicago | 81 | 80 |
| Benning Group, LLC | Freeport | 78 | 17 |
| Kerber, Eck & Braeckel LLP | Marion | 74 | 45 |
| CohnReznick LLP | Chicago | 73 | 71 |
| Gray Hunter Stenn LLP | Quincy | 72 | 49 |
| Ostrow Reisin Berk & Abrams, Ltd | Chicago | 64 | 64 |
| RubinBrown LLP | Chicago | 61 | 61 |
| Wermer, Rogers, Doran & Ruzon, LLC | Joliet | 61 | 14 |
| Hopkins & Associates, CPAs | Granville | 58 | 5 |
| Mack & Associates, PC | Morris | 57 | 0 |
| Glass & Shuffett Ltd | Centralia | 55 | 5 |
| Cherry Bekaert LLP | Chicago | 54 | 44 |
| Benford Brown & Associates, LLC | Chicago | 53 | 49 |
| CapinCrouse LLC | Naperville | 53 | 32 |
| Gassensmith & Michalesko, LTD | Joliet | 53 | 0 |
| MCK CPAs & Advisors | Decatur | 53 | 41 |
| Sassetti LLC | Oak Brook | 53 | 53 |
| Zumbahlen, Eyth, Surratt, Foote & Flynn, Ltd | Jacksonville | 51 | 0 |
| Eck, Schafer & Punke LLP | Springfield | 50 | 37 |
| John Kasperek Co., Inc | Calumet City | 49 | 1 |
| PKF Mueller | Orland Park | 48 | 33 |
| C.J. Schlosser & Company, L.L.C. | Alton | 47 | 9 |
| Dennis Rose & Associates, P.C. | Alton | 42 | 0 |
| KPMG LLP | Chicago | 40 | 22 |
| Pamela J Simpson, CPA | Decatur | 40 | 0 |
| Wade Stables P.C. | Quincy | 40 | 28 |
| Newkirk & Associates, Inc | Plano | 36 | 0 |
| Estes, Bridgewater & Ogden | Springfield | 34 | 34 |
| LMHN, Ltd | Taylorville | 34 | 1 |
| Loy Miller Talley, PC | Alton | 34 | 0 |
| LOPEZ AND COMPANY, CPAs LTD | Chicago | 33 | 33 |
| Pehlman & Dold, P.C. | Springfield | 33 | 0 |
| Adelfia LLC | Chicago | 32 | 6 |
| Evoy, Kamschulte, Jacobs & Co. LLP | Waukegan | 32 | 0 |
| Phillips, Salmi & Assoc | Washington | 32 | 0 |
| Martin Hood LLC | Champaign | 31 | 6 |
| Velma Butler and Company Ltd | Chicago | 31 | 7 |
| Selden Fox, Ltd | Oakbrook Terrace | 30 | 27 |
| Skdo, P.C. | Bourbonnais | 30 | 4 |
| Kolnicki, Peterson, Wirth LLC | Downers Grove | 29 | 21 |
| Mose, Yockey, Brown & Kull, LLC | Shelbyville | 29 | 0 |
| Prado & Renteria CPAS Prof Corp | Chicago | 29 | 19 |
| MK Group CPAs & Consultants LLC | Oakbrook | 28 | 27 |
| Phillips and Associates, CPAs PC | Normal | 28 | 4 |
| Arthur S Gunn Ltd | Northbrook | 27 | 27 |
| Deloitte & Touche LLP | Chicago | 27 | 21 |
| Ernst & Young LLP | Chicago | 27 | 23 |
| GW & Associates, P.C. | Hillside | 27 | 1 |
| Haran & Associates Ltd | Wilmette | 26 | 26 |
| Mitchell Titus LLP | Chicago | 26 | 23 |
| Evolve Financial I | Frankfort | 24 | 24 |
| Hottenrott & Associates, LLC | Belleville | 24 | 1 |
| Gordon, Stockman & Waugh, P.C. | Peoria | 22 | 21 |
| Kull and Associates PLLC | Shelbyville | 22 | 0 |
| Ringold Financial Management Services, Inc | Tinley Park | 22 | 22 |
| F.E.W. CPAs | Columbia | 21 | 0 |
| Leymone Hardcastle & Co., Ltd | Salem | 21 | 6 |
| FLOYD & ASSOCIATES CPAs | Clinton | 20 | 3 |
| Dennis G Koch & Assoc LLC | Quincy | 19 | 3 |
| KRD, Ltd | Schaumburg | 19 | 19 |
| Omotosho & Associates | Chicago | 19 | 19 |
| Ragland, Arnold, Buchanan, Morris & Associates LLC | Evergreen Park | 19 | 19 |
| Alexander Mannie & Company PC | Matteson | 18 | 18 |
| Cindy A Bobell CPA | Marion | 18 | 6 |
| Roth & Co., LLP | Chicago | 17 | 0 |
| Lucas Group CPAs + Advisors, PLLC | Rockford | 16 | 14 |
| Arthur P. Donner, CPA | Willowbrook | 15 | 15 |
| Lafayette Linear, CPA, LLC | Olympia Fields | 15 | 15 |
| Legacy Shore Group PLLC | Chicago | 15 | 15 |
| Watler Accounting CPAs, PC | Mt Carmel | 15 | 14 |
| CBIZ CPAs P.C. | Chicago | 14 | 14 |
| Beussink Hickam & Kochel PC | Anna | 13 | 0 |
| Smart Solutions CPA Inc | Chicago | 13 | 13 |
| Striegel Knobloch & Company LLC | Bloomington | 13 | 9 |
| Susan J Lyons CPA PC | Odin | 13 | 0 |
| Botsch & Associates, CPA's, LLC | Carmi | 12 | 4 |
| Doehring, Winders, & Co LLP | Mattoon | 12 | 11 |
| Peter Shannon & Co | Countryside | 12 | 12 |
| West & Company, LLC | Mattoon | 12 | 0 |
| Aprio LLP | Schaumburg | 11 | 11 |
| PricewaterhouseCoopers LLP | Chicago | 11 | 4 |
| BDO | Chicago | 10 | 10 |
| Borschnack, Pelletier & Co | Kankakee | 10 | 4 |
| Hearne & Associates, P.C. | Mokena | 10 | 5 |
| BG Advisors CPA Ltd | Naperville | 9 | 9 |
| FGMK, LLC | Bannockburn | 9 | 9 |
| Ginoli & Company Ltd, CPA's | Peoria | 9 | 4 |
| Groskreutz, Abraham, Eshleman & Gerretse, LLC | Kankakee | 9 | 0 |
| Icl, LLC | Chicago | 9 | 9 |
| IL NFP Audit and Tax, LLP | Chicago | 9 | 9 |
| Cukierski & Associates, LLC | Arlington Heights | 8 | 8 |
| Grieco & Adelman LLC | Des Plaines | 8 | 8 |
| Jodi K. Gill, CPA | Manteno | 8 | 5 |
| Joshua S Richardson, CPA, PC | Canton | 8 | 8 |
| Sarah Gibbens, CPA | Johnston City | 8 | 3 |
| Atlas CPAs & Advisors PLLC | Marion | 7 | 0 |
| Blucker, Kneer & Associates, Ltd | Galesburg | 7 | 0 |
| Johnson Lambert LLP | Park Ridge | 7 | 7 |
| Mann. Weitz & Associates LLC | Deerfield | 7 | 7 |
| Mayer Hoffman McCann P.C. | Chicago | 7 | 7 |
| PNJK Partners LLP | Park Ridge | 7 | 5 |
| Dartt & Company, LLC | Carmi | 6 | 0 |
| Kujawa & Batteau PC | Pinckneyville | 6 | 1 |
| Broutman & Co., P.C. | Highland Park | 5 | 5 |
| Gilbert, Metzger & Madigan LLP | Charleston | 5 | 0 |
| Koch Consultants, LTD | Tremont | 5 | 0 |
| Krehbiel & Associates, LLC | Mount Vernon | 5 | 0 |
| Marcum LLP | Deerfield | 5 | 5 |
| Monica Robbins CPA PC | Princeton | 5 | 5 |
| Rosalie J. Freidlin Ltd | Oak Park | 5 | 5 |
| RW Hickman PC | Springfield | 5 | 5 |
| The Walker Group, LLC | Chicago | 5 | 5 |
| Warady & Davis LLP | Deerfield | 5 | 5 |
| WSDD CPAs, Ltd | Chicago | 5 | 5 |