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Directory of business lawyers in O'Fallon, Missouri. Verify credentials with the state bar before hiring.
17 attorneys listed
Updated May 2026
O'Fallon, MO
Important: Listings are compiled from publicly available sources and have not been independently verified by BeforeAttorney.com. We do not endorse any attorney or guarantee outcomes. Verify licensing and disciplinary status with the State Bar of Missouri before hiring.
Showing 17 business lawyers in O'Fallon, MO
Listings are displayed in no particular order and are not ranked by BeforeAttorney. Order does not constitute a recommendation or endorsement of any attorney.
Markell Estate Planning & Elder Law LC
6700 Keaton Corporate Pkwy Suite 102, O'Fallon, MO 63368
(636) 466-8349 markellpc.com
Winghaven Law, LLC
2315 Technology Dr #119, O'Fallon, MO 63368
(636) 594-7796 winghavenlaw.com
Tim Lohmar Attorney at Law
2342 Technology Dr Suite 120, O'Fallon, MO 63368
(636) 224-8110 timlohmar.com
Beck & Beck Missouri Car Accident Lawyers
300 Fort Zumwalt Square # 108, O'Fallon, MO 63366
(636) 238-5934 becklawmo.com
Gonwa Law, LLC
1001 Boardwalk Springs Pl Suite 111, O'Fallon, MO 63368
(636) 980-7035 gonwalawgroup.com
St. Thomas Legal, LLC
38 Crossroads Plaza, O'Fallon, MO 63368
(314) 623-1693 stthomaslegal.com
Watkins Law Firm, P.C.
1001 Boardwalk Springs Pl Suite 111, O'Fallon, MO 63368
(636) 625-6448 watlaw.net
David E Woods Law
427 W Terra Ln, O'Fallon, MO 63366
(636) 448-1748 davidewoods.com
Brown & Crouppen: Injury and Car Accident Lawyers
110 Laura K Dr, O'Fallon, MO 63366
(314) 526-3328 brownandcrouppen.com
Staebell Law LLC
202 S Main St, O'Fallon, MO 63366
(636) 272-3600 staebell.law
The O’Rourke Law Firm LLC
202 S Main St, O'Fallon, MO 63366
(636) 275-1542 theorourkelawfirm.com
Kruse Law Office
103 Church St, O'Fallon, MO 63366
(636) 240-8000 kruse.law
Woodlawn Law Offices
410 Crestview Dr, O'Fallon, MO 63366
(636) 240-6667 woodlawnlawoffices.com
Missouri Legal Solutions, LLC
1001 Boardwalk Springs Pl #111, O'Fallon, MO 63368
(636) 896-5819 divorcemo.com
The Marks Law Firm, L.L.C.
1001 Boardwalk Springs Pl Suite 111, O'Fallon, MO 63368
(314) 993-6300 themarkslawfirm.com
Law Office of Kenneth P. Carp
4142 Keaton Crossing Blvd #106, O'Fallon, MO 63368
(636) 947-3600
Haynes Law Office LLC
1070 Bryan Rd, O'Fallon, MO 63366
(636) 978-4400
Business lawyers in O'Fallon, Missouri assist with entity formation, contract review, and regulatory compliance. Missouri law requires LLCs and corporations to file annual reports with the Secretary of State. Local counsel can help you navigate St. Charles County business ordinances and state tax requirements.
What Does a Business Lawyer in O'Fallon Cost?
Typical costs for a business lawyer in Missouri range from $200 to $500 per hour for general services. Flat fees for LLC formation often run between $500 and $1,500. Complex contract drafting or litigation may cost more. This is general information and not legal advice.
* Cost estimates are general ranges based on publicly available data and compiled using automated research tools. Actual fees vary by attorney and case complexity. This is not legal advice — consult directly with an attorney for fee specifics.
Frequently Asked Questions
What does a business lawyer in O'Fallon Missouri do?
A business lawyer advises on entity formation, contract drafting, employment law, and dispute resolution. They also help with Missouri business registration and compliance with state regulations.
What business structures are common in Missouri?
Common structures include LLCs, S corporations, and C corporations. Missouri also allows professional corporations and limited liability partnerships for licensed professionals.
What are Missouri business filing requirements?
Missouri requires LLCs and corporations to file articles of organization or incorporation with the Secretary of State. Annual reports are due by the end of the anniversary month of registration.
Need a Business Lawyer?
Contact this list of lawyers to find the right fit for your situation.
About Our Listings
Attorneys listed on BeforeAttorney.com are compiled from publicly available directories, state bar records, and business listings. Inclusion does not constitute endorsement. We do not verify attorney licensing, disciplinary status, or qualifications. Verify each attorney's current standing with the State Bar of Missouri.