H&R Block
★★★★½ (177 reviews)2410 W Clay St, St Charles, MO 63301
(636) 947-1670
Website: www.hrblock.com/tax-office-near-me/missouri/saint-charles/24131/?otppartnerid=9308&campaignid=pw_mcm_9308_9762&utm_medium=local
Hours: {"Friday":["1–6 PM"],"Monday":["Closed"],"Saturday":["10 AM–5 PM"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["Closed"],"Wednesday":["1–7 PM"]}
Block Advisors
★★★★★ (121 reviews)6175 Mid Rivers Mall Dr, St Charles, MO 63304
(636) 936-1868
Website: www.blockadvisors.com/tax-office-near-me/missouri/saint-charles/24440/?otppartnerid=9308&campaignid=pw_mcm_9308_9762&utm_medium=local
Hours: {"Friday":["Closed"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["3–7 PM"],"Tuesday":["Closed"],"Wednesday":["Closed"]}
Steve Shapiro, EA
★★★★½ (75 reviews)1360 S 5th St Suite 386, St Charles, MO 63301
(636) 397-2759
Website: www.steveshapiroea.com
Hours: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–7 PM"],"Saturday":["8:30 AM–5 PM"],"Sunday":["Closed"],"Thursday":["8:30 AM–7 PM"],"Tuesday":["8:30 AM–7 PM"],"Wednesday":["8:30 AM–7 PM"]}
Matt Seliga Tax & Accounting
★★★★★ (60 reviews)5377 State Rte N, St Charles, MO 63304
(314) 221-2900
Website: seligatax.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Mila Samsonov CPA
★★★★½ (25 reviews)708 S Main St, St Charles, MO 63301
(636) 936-0100
Website: www.msamsonovcpa.com
Hours: {"Friday":["10 AM–6 PM"],"Monday":["10 AM–6 PM"],"Saturday":["10 AM–3 PM"],"Sunday":["Closed"],"Thursday":["10 AM–6 PM"],"Tuesday":["10 AM–6 PM"],"Wednesday":["10 AM–6 PM"]}
Tax Services Inc
★★★★★ (16 reviews)1360 S 5th St Ste 302, St Charles, MO 63301
(636) 946-7727
Website: taxservicesinc-stl.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["9 AM–4 PM"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Crowder Accounting
★★★★½ (18 reviews)1416 S 1st Capitol Dr, St Charles, MO 63303
(636) 926-7346
Website: www.taxmanken.com
Hours: {"Friday":["Closed"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["11 AM–4 PM"],"Tuesday":["11 AM–4 PM"],"Wednesday":["11 AM–4 PM"]}
Premiere Business Services
★★★★½ (14 reviews)1189 S Duchesne Dr, St Charles, MO 63301
(636) 947-8885
Website: pbsmo.com
Hours: {"Friday":["9 AM–2 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–4 PM"],"Tuesday":["9 AM–4 PM"],"Wednesday":["9 AM–4 PM"]}
Wamhoff Accounting Services
★★★★½ (13 reviews)1000 Fairgrounds Rd # 200, St Charles, MO 63301
(636) 573-1250
Website: www.wamhoffaccounting.com
Hours: {"Friday":["8:30 AM–4:30 PM"],"Monday":["8:30 AM–4:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–4:30 PM"],"Tuesday":["8:30 AM–4:30 PM"],"Wednesday":["8:30 AM–4:30 PM"]}
The Tax Office
★★★★½ (12 reviews)3904 Old Hwy 94 S Suite 300, St Charles, MO 63304
(636) 926-7511
Website: thetaxoffice.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Empower CPA, LLC
★★★★★ (8 reviews)5377 State Rte N, St Charles, MO 63304
(636) 489-3582
Website: www.empowercpallc.com
Hours: {"Friday":["Closed"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
The Small Business Accounting Center
★★★★½ (8 reviews)1480 Woodstone Dr #106, St Charles, MO 63304
(636) 685-0405
Website: thesmallbusinessaccountingcenter.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Devereux and Company
★★★★★ (7 reviews)307 N Main St, St Charles, MO 63301
(314) 209-7777
Website: www.devereuxcpa.com
Hours: {"Friday":["Closed"],"Monday":["8:30 AM–4:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–4:30 PM"],"Tuesday":["8:30 AM–4:30 PM"],"Wednesday":["8:30 AM–4:30 PM"]}
T. A. Ohlms LLC
★★★☆☆ (10 reviews)2101 Bluestone Dr #106, St Charles, MO 63303
(636) 928-5416
Website: www.taohlms.com
Hours: {"Friday":["8 AM–12 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"]}
Lang & Associates
★★★★★ (6 reviews)2091 Collier Corporate Pkwy, St Charles, MO 63303
Website: www.lang-assoc.com
Hours: {}
Jackson-Regot & Associates
★★★★★ (5 reviews)1601 N 2nd St, St Charles, MO 63301
(636) 724-5302
Website: www.jacksonregot.com
Hours: {"Friday":["9 AM–4 PM"],"Monday":["9 AM–4 PM"],"Saturday":["9 AM–3 PM"],"Sunday":["Closed"],"Thursday":["Closed"],"Tuesday":["9 AM–4 PM"],"Wednesday":["9 AM–4 PM"]}
Grayson Accounting LLC
★★★½☆ (7 reviews)920 1st Capitol Dr, St Charles, MO 63301
(636) 233-7875
Website: graysonaccountingllc.com
Hours: {"Friday":["10 AM–6 PM"],"Monday":["10 AM–6 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["10 AM–6 PM"],"Tuesday":["10 AM–6 PM"],"Wednesday":["10 AM–6 PM"]}
RKM Accounting And Tax LLC
★★★★☆ (5 reviews)501 1st Capitol Dr #2, St Charles, MO 63301
Website: www.rkmaccounting.com
Hours: {}
Accountants Plus
★★★★★ (4 reviews)60 Portwest Ct, St Charles, MO 63303
(636) 949-7872
Website: facebook.com/AccountantsPlusStCharles
Hours: {"Friday":["8:30 AM–4 PM"],"Monday":["Closed"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–4 PM"],"Tuesday":["8:30 AM–4 PM"],"Wednesday":["8:30 AM–4 PM"]}
Demae Tax Services
★★★★☆ (4 reviews)1475 Fairgrounds Rd #102, St Charles, MO 63301
(636) 757-3373
Hours: {"Friday":["9 AM–8 PM"],"Monday":["9 AM–7 PM"],"Saturday":["8 AM–3 PM"],"Sunday":["Closed"],"Thursday":["9 AM–7 PM"],"Tuesday":["9 AM–7 PM"],"Wednesday":["9 AM–7 PM"]}
The Bald Bookkeeper
★★★★★ (3 reviews)2321 Eagle Pines Dr, St Charles, MO 63303
(314) 265-6317
Website: www.baldbookkeeper.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["10 AM–2 PM"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Hathaway Harry CPA
★★★½☆ (3 reviews)1550 Wall St # 12, St Charles, MO 63303
(636) 946-9550
Hours: {}
Lloyd & Company CPAs
★★★★★ (2 reviews)40 Portwest Ct, St Charles, MO 63303
(636) 946-3411
Website: www.lloydcpa.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"]}
Nangle & Associates Inc
★★★★★ (2 reviews)2381, 1000 Fairgrounds Rd # 100, St Charles, MO 63301
(636) 946-3100
Website: nangleassociates.com
Hours: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–5 PM"],"Tuesday":["8:30 AM–5 PM"],"Wednesday":["8:30 AM–5 PM"]}
Stephens & Co CPAS LLC
★★★★★ (1 reviews)1000 Fairgrounds Rd, St Charles, MO 63301
Hours: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–5 PM"],"Saturday":["9 AM–1 PM"],"Sunday":["Closed"],"Thursday":["8:30 AM–5 PM"],"Tuesday":["8:30 AM–5 PM"],"Wednesday":["8:30 AM–5 PM"]}
Bates CPAs PC
★★★★★ (1 reviews)2031 Collier Corporate Pkwy, St Charles, MO 63303
(636) 947-8400
Hours: {"Friday":["8:30 AM–5 PM"],"Monday":["8:30 AM–5 PM"],"Saturday":["9 AM–12 PM"],"Sunday":["Closed"],"Thursday":["8:30 AM–5 PM"],"Tuesday":["8:30 AM–5 PM"],"Wednesday":["8:30 AM–5 PM"]}
Thomas D. Sims, CPA
★★★★★ (1 reviews)300 N Washington St, St Charles, MO 63301
(636) 946-7181
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
John A. Hartwig Jr & John A. Hartwig III Certified Public Accountants
★★★★★ (1 reviews)926 1st Capitol Dr, St Charles, MO 63301
(636) 946-6743
Hours: {}
Am Tax
★★★★★ (1 reviews)4 Hawks Nest Ct, St Charles, MO 63303
(636) 940-0606
Hours: {}
Botz Deal & Co Cpas: Bockerstett Yvonne CPA
★☆☆☆☆ (1 reviews)2 Westbury Dr, St Charles, MO 63301
(636) 946-2800
Hours: {}
E3Tax
3964 Old Hwy 94 S, St Charles, MO 63304
(314) 603-1517
Website: www.e3tax.com/contact.php
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"]}
Catlett & Associates, LLC
3898 Old Hwy 94 S, St Charles, MO 63304
(636) 922-7540
Website: www.candacpas.com
Hours: {"Friday":["9 AM–5 PM"],"Monday":["9 AM–5 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["9 AM–5 PM"],"Tuesday":["9 AM–5 PM"],"Wednesday":["9 AM–5 PM"]}
Wipfli LLP
2460 Executive Dr, St Charles, MO 63303
(636) 441-5800
Website: wipfli.com
Hours: {"Friday":["8:30 AM–4:30 PM"],"Monday":["8:30 AM–4:30 PM"],"Saturday":["Closed"],"Sunday":["Closed"],"Thursday":["8:30 AM–4:30 PM"],"Tuesday":["8:30 AM–4:30 PM"],"Wednesday":["8:30 AM–4:30 PM"]}
Accounting Partners LLC
2362 Hwy 94 South Outer Rd, St Charles, MO 63303
(314) 895-9595
Website: jesapartners.com/about-us
Hours: {}
Hollanders CPA Group LLC
50 Hill Pointe Ct # 100, St Charles, MO 63303
(636) 443-2193
Website: hollander.cpa
Hours: {}
About Accountants in St Charles, MO
Finding the right accountant in St. Charles, Missouri, can simplify your financial life, whether you run a small business or manage household taxes. St. Charles has a diverse local economy, with a strong mix of historic downtown retailers, growing tech firms, and manufacturing operations. This variety means tax situations here often involve more than a simple W-2—business owners may need help with deductions for equipment or home offices, while families might navigate state-specific credits.
A local accountant understands Missouri’s tax landscape, including city earnings taxes and sales tax rules that apply in St. Charles County. They can help you avoid costly mistakes, plan for estimated payments, or organize records for an audit. Whether you’re starting a side hustle or preparing for retirement, working with a professional gives you peace of mind and more time to focus on what matters.
Browse BeforeTaxUSA.com to compare qualified accountants in St. Charles who fit your needs and budget.
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 info@beforetaxusa.com.