Innovare Law
“The office was friendly and the cost of services was very reasonable.”
Best Business Attorneys in O'Fallon, MO
15 firms listed · 4 in O'Fallon · 1 open 24/7 · 2 open weekends · 11 rated 4.5+
Data verified October 21, 2026
David E Woods Law
“David helped us through the process of setting up an LLC and he made the process easy and flawless!”
Woodlawn Law Offices
“David Schmidt was very proficient and helpful in dealing with a sensitive matter for me.”
Douglas R. Smith, Attorney
“Doug's communication through the process was constant and overall our experience was more than we could have hoped.”
Welch Law
“Scott was very personable, thoroughly explained everything and answered all of our questions.”
Flesner Wentzel
“I'd recommend them to anyone who wants an attorney that will fight for your best interests.”
The 15 firms shown for O'Fallon, MO advise companies on formation, contracts, ownership agreements and transactions. Whatever each one says about its practice areas and fee arrangements is drawn from its own website, and the ratings come from public reviews.
Area overview: O'Fallon, MO
Of the 15 firms we list here, 4 are in O'Fallon itself and 11 come from towns including St. Charles (7, 11 mi), Lake St Louis (1, 3 mi) and Wentzville (1, 9 mi). The firms on this page are rated from 4.1 to 5.0 across 1,083 reviews; 8 have 50 or more reviews and 11 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (96%), responsiveness (96%) and value (84%). 1 is open around the clock; 2 are open on Saturdays and 1 on Sundays. The practice areas the firms on this page list most often on their websites are estate planning (6), family law (3), probate (3), business law (2) and criminal defense (2). 6 have a BBB rating of A or A+. Domain records put 10 websites of the firms on this page at ten or more years old; the oldest dates from 2000. 1 offers urgent consultations; 3 offer a free initial consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. 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.
Do business law firms listed for O'Fallon take bookings online?
3 of the 15 firms publish an online booking link. For transactional work that slot is usually an intake call, not time with the lawyer who would run your deal. Put the nature of the matter and its stage in the booking notes so the call starts usefully.
The Kline Law Firm
“Wes and the staff on Main Street in St Charles, did not make me feel ashamed or embarrassed for filling bankruptcy.”
Shea Kohl Law
“Kohl did a wonderful job on helping me win my disability case..”
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Polaris Estate Planning and Elder Law
“The firm has been very helpful and informative throughout our entire process.”
Vitale Law
“Wise and creative bringing a unique planning mindset around how to transfer wealth through generations!!”
Boehmer Law
“Eric took care of my ticket super fast with little to no effort on my part.”
Schnurbusch Law
“He is knowledgeable in estate planning and reminds you of all the things that could happen that you never thought of in your family.”
The Kaiser Law Firm
“Staff was friendly, efficient and quick to respond to any questions and concerns we had.”
Federer & Federer
“His understanding of Real Estate law is unrivaled, superb customer service, timely replies, and I believe his overall total experience in real estate law, combined with the customer service of him and his staff-is what enables this Law Firm to provide such excellent service, &at a good value!”
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Haymon Law Office
“As a small business owner, I am very mindful of who is on my team, and I truly believe I am set up for success under her care.”
Why these companies made our list
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