H&R Block
★★★★½ (171 reviews)8610 Veterans Memorial Pkwy, O'Fallon, MO 63366
(636) 240-8964
Website: www.hrblock.com/tax-office-near-me/missouri/o-fallon/24130/?otppartnerid=9308&campaignid=pw_mcm_9308_9762&utm_medium=local
Hours: {"Friday":["9 AM–4 PM"],"Monday":["Closed"],"Saturday":["10 AM–4 PM"],"Sunday":["Closed"],"Thursday":["12–7 PM"],"Tuesday":["2–7 PM"],"Wednesday":["Closed"]}
Taxvantage | O'Fallon
★★★★½ (155 reviews)18 Piepers Glen Ct, O'Fallon, MO 63366
(636) 379-1500
Website: www.taxvantageadv.com
Hours: {}
Renaud & Co Investment Advisors
★★★★★ (57 reviews)763 W Terra Ln, O'Fallon, MO 63366
(636) 240-5055
Website: www.renaudandcompany.com
Hours: {"Friday":["8 AM–3 PM"],"Monday":["8 AM–4:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–4:30 PM"],"Tuesday":["8 AM–4:30 PM"],"Wednesday":["8 AM–4:30 PM"]}
THE OLD TAX HOUSE
★★★★½ (38 reviews)8810 Veterans Memorial Pkwy, O'Fallon, MO 63366
(636) 240-7706
Website: www.oldtaxhouse.com
Hours: {"Friday":["Closed"],"Monday":["9 AM–3 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–3 PM"],"Tuesday":["9 AM–3 PM"],"Wednesday":["9 AM–3 PM"]}
weAudit
★★★★★ (26 reviews)1137 N Main St, O'Fallon, MO 63366
(800) 672-1292
Website: weaudit.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
Smith Tax Service
★★★★½ (20 reviews)111 Triad Center W, O'Fallon, MO 63366
(636) 240-1511
Website: smith-tax.com
Hours: {}
Thomas & Associates Llc
★★★★☆ (16 reviews)114 E Elm St #3, O'Fallon, MO 63366
(636) 281-2727
Hours: {}
Breneman & Gomez
★★★★★ (9 reviews)102 Crafton Dr, O'Fallon, MO 63366
(636) 978-0234
Hours: {}
Wehde and Associates, LLC
★★★★★ (7 reviews)3926 MO-79, O'Fallon, MO 63366
(636) 699-9414
Website: wehdeandassociates.com
Hours: {"Friday":["7 AM–12 PM"],"Monday":["7 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["7 AM–4 PM"],"Tuesday":["7 AM–4 PM"],"Wednesday":["7 AM–4 PM"]}
A-Z Business Solutions LLC
★★★★★ (5 reviews)1299 Bryan Rd, O'Fallon, MO 63366
(855) 553-2665
Website: a-zbusinesssolutions.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["9 AM–5 PM"],"Sunday":["9 AM–5 PM"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Taxes Etc
★★★½☆ (3 reviews)1349 Washingtons Crossing Dr, O'Fallon, MO 63366
(636) 240-7954
Hours: {}
Marshall CPA
225 S Main St #101, O'Fallon, MO 63366
(636) 630-1600
Hours: {"Friday":["10 AM–4 PM"],"Monday":["10 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–4 PM"],"Tuesday":["10 AM–4 PM"],"Wednesday":["10 AM–4 PM"]}
Wade Stables PC
327 Sonderen St, O'Fallon, MO 63366
(636) 978-1040
Website: www.wadestables.com
Hours: {"Friday":["Closed"],"Monday":["8 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–4 PM"],"Tuesday":["8 AM–4 PM"],"Wednesday":["8 AM–4 PM"]}
Schaper's Tax Services
1113 River Oak Ct, O'Fallon, MO 63366
(314) 602-5650
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["9 AM–5 PM"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
House & Associates
1725 Davinci Dr, O'Fallon, MO 63368
(636) 379-3897
Website: www.houseassoc.com
Hours: {"Friday":["9 AM–4 PM"],"Monday":["9 AM–4 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–4 PM"],"Tuesday":["9 AM–4 PM"],"Wednesday":["9 AM–4 PM"]}
A-Z Business Solutions, Inc.
1008 Rock Creek Elementary School Dr, O'Fallon, MO 63366
(855) 553-2665
Website: a-zbusinesssolutions.com
Hours: {"Friday":["8 AM–5 PM"],"Monday":["8 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8 AM–5 PM"],"Tuesday":["8 AM–5 PM"],"Wednesday":["8 AM–5 PM"]}
About Accountants in O'Fallon, MO
O'Fallon, Missouri, is one of the fastest-growing cities in the St. Louis metro area, with a strong mix of large employers, small businesses, and residential communities. Its expanding commercial corridors and steady population growth mean many residents and business owners face increasingly complex financial situations. Whether you run a local retail shop, work as a contractor, or manage rental properties, keeping up with tax obligations in a growing city can be challenging.
You might need an accountant in O'Fallon to handle more than just annual filing. Common reasons include navigating Missouri state tax rules, managing payroll for a small team, or planning for self-employment income. Accountants can also help with sales tax compliance for local businesses and offer guidance on deductions specific to Missouri residents, such as property tax credits.
BeforeTaxUSA.com helps you find qualified tax professionals in O'Fallon who understand the local economy. Our directory lets you compare options based on your specific needs, whether you require year-round bookkeeping or one-time tax preparation. Browse listings to find a professional who fits your situation.
Frequently Asked Questions
What services does an accountant provide?
Accountants typically offer bookkeeping, financial statement preparation, tax planning and preparation, payroll services, accounts payable and receivable management, and general financial consulting for both individuals and businesses.
How do I choose the right accountant?
Look for an accountant with experience in your industry or tax situation, check their credentials and references, ask about their availability during tax season, and make sure they use modern accounting software. A good accountant should be proactive about finding deductions and keeping you compliant.
What is the difference between an accountant and a bookkeeper?
A bookkeeper records daily financial transactions, while an accountant analyzes financial data, prepares tax returns, and provides strategic financial advice. Many accounting firms offer both services, with bookkeepers handling the day-to-day work and accountants overseeing the bigger financial picture.
BeforeTaxUSA.com is a free informational directory. Listings are compiled from publicly available data and do not constitute an endorsement or recommendation. Verify credentials, licensing, and reviews independently before engaging any professional. Listings appear in no particular order unless otherwise noted.
Business owners: to update or remove a listing, email [email protected].