Flesner Wentzel
“The whole process from start to finish is explained and the expectations are clear.”
Best Business Attorneys in St. Charles, MO
15 firms listed · all 15 in St. Charles · 1 open weekends · 8 rated 4.5+
Data verified October 18, 2026
The Kline Law Firm
“Anytime I had a question or needed help throughout the process they were there.”
Shea Kohl Law
“Anyone in Missouri needing a great lawyer and staff give them a try!”
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Polaris Estate Planning and Elder Law
“I had the pleasure of meeting everyone in the group and can easily say everyone was professional, genuinely friendly and the business transaction was smooth.”
Boehmer Law
“I have used Adrian Barnello and Dominic a few different times, and each time I have gotten the best results I could hope for.”
Federer & Federer
“Tom Federer did an excellent job helping us in a legal matter.”
The 15 firms shown for St. Charles, 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: St. Charles, MO
All 15 firms we list here are in St. Charles itself. 14 of the firms on this page have a rating, from 4.1 to 5.0 across 728 reviews; 5 have 50 or more reviews and 8 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise responsiveness (96%), professionalism (92%) and quality (75%). 1 is open on Saturdays. The practice areas the firms on this page list most often on their websites are estate planning (4), personal injury (3), criminal defense (2), family law (2) and mediation (2). 4 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 41 years. 4 offer a free initial consultation. We have a website on file for all 15 of the firms on this page; 12 publish a contact page; 4 list a public email and 1 takes bookings online. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Which business law firms listed for St. Charles describe their corporate work online?
A website is on file for all 15 firms listed here. Corporate pages tend to be concrete about industries served, transaction types and the size of company the practice acts for. That detail rules firms in or out faster than any phone call.
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Haymon Law Office
“She is very relatable and expresses a great desire to help you through your issues and concerns.”
Burrows Law Group
“He was responsive, professional, kind, and attentive to what I want too see happen which was exactly what did happen!”
Law Office of Baerveldt & Boedefeld
“If you want a lawyer who is compassionate, understanding, full of experience and knowledge then Chris is your guy.”
Hamilton Weber
“Honest and very sound legal advice.”
Bridges Charles E
“He has represented myself along with my husband since 2013 in custody cases involving our children from our previous relationship.”
Kasper Law Firm
“Kevin, is extremely professional & took amazing care of my case!”
Pashos Law
“Detailed, efficient, consistent with a corresponding charge within the market”
Smith Estates & Trusts
“Super attorney at law lots of knowledge, extremely helpful, previously a judge down to earth”
Guinness & Buehler
Why these companies made our list
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