Popular Cities
We have 2 companies in O'Fallon on file, and both are on this list, along with 22 from towns including St. Charles (5, 11 mi), St. Louis (5, 27 mi) and St. Peters (4, 6 mi).
5 open weekends · 20 rated 4.5+ · 1 shows a license
Data verified October 21, 2026
The 24 companies listed for O'Fallon, MO prepare and file tax returns for individuals and small businesses. What each says about its services and credentials comes from its own website; ratings and quotes come from public reviews.
The 24 companies on this page are rated from 4.0 to 5.0 across 452 reviews; 2 have 50 or more reviews and 20 are rated 4.5 or higher. When clients rate these companies on specific qualities, they most often praise professionalism (96%), responsiveness (86%) and value (82%). 5 are open on Saturdays. 1 shows a license on its website and 13 have a BBB rating of A or A+. Domain records put 17 websites of the companies on this page at ten or more years old; the oldest dates from 1994. 3 offer a free initial consultation; 4 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the companies on this page; 21 publish a contact page; 14 list a public email and 2 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
2 of the 24 companies are located in O'Fallon. The others come from other towns within 30 mi. Since most returns are handled through a portal, what matters is whether the preparer files in your state. Distances are straight-line.
