Best Business Attorneys near St. Peters, MO
We have 3 firms in St. Peters on file, and all of them are on this list, along with 12 from towns including St. Charles (5, 5 mi), Chesterfield (2, 9 mi) and St. Louis (2, 22 mi).
1 open 24/7 · 2 open weekends · 14 rated 4.5+
Data verified October 21, 2026
The Frahm Law Firm
Niewald Law Firm
Welch Law
Flesner Wentzel
The Kline Law Firm
The 15 firms shown for St. Peters, 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. Peters, MO
The 15 firms on this page are rated from 4.3 to 5.0 across 1,351 reviews; 9 have 50 or more reviews and 14 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise responsiveness (100%), professionalism (97%) and quality (81%). The topics that come up most in reviews of the firms on this page are "trust", "knowledge" and "understanding". 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 (5), probate (4), trusts (3), wills (3) and criminal defense (2). 5 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 41 years. 1 offers urgent consultations; 4 offer a free initial consultation and 2 are family- or locally-owned. 1 has Spanish-speaking staff. We have a website on file for all 15 of the firms on this page; 13 publish a contact page; 6 list a public email and 4 take bookings online. 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.
Why are business law firms outside St. Peters listed on this page?
3 of the 15 firms give an address in St. Peters, and the others come from other towns. Corporate files run on email and video anyway, so which state a lawyer is admitted in usually matters more than the drive.