Best CPAs in St. Charles, IL
15 firms listed · 8 in St. Charles · 3 open weekends · 13 rated 4.5+
Data verified October 21, 2026
Apex Cpas & Consultants
John F. Weitz CPA
Saint Charles CPA
Naughton & Company
Olsen Accounting & Business Services
The 15 firms listed for St. Charles, IL are accounting practices that serve businesses and organizations. What each states about its CPA license and assurance work comes from its own website; ratings and quotes come from public reviews.

Area overview: St. Charles, IL
8 of the 15 firms we list are based in St. Charles; the other 7 serve St. Charles from towns including Naperville (14 mi), Batavia (5 mi) and Elgin (8 mi). 14 of the firms on this page have a rating, from 4.0 to 5.0 across 468 reviews; 3 have 50 or more reviews and 13 are rated 4.5 or higher. 3 are open on Saturdays. The services the firms on this page list most often on their websites are tax services (3), business services (2), business valuations (2), financial statements (2) and internal controls (2). 2 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 55 years. 5 offer payment plans; 3 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 15 of the firms on this page; all 15 publish a contact page and 10 list a public email. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Why are accounting practices outside St. Charles shown here?
The firms holding an address in St. Charles number 8 of the 15 here. The rest come from other towns within 15 mi. Assurance work spans a region comfortably, so sector experience usually outweighs the drive. Distances are straight-line.



