Best Business Attorneys in Boulder, CO
24 firms listed · all 24 in Boulder · 1 open 24/7 · 2 open weekends · 23 rated 4.5+
Data verified November 6, 2026
Kottke & Brantz
Frascona, Joiner, Goodman and Greenstein
The Law Office Of Harvey J. Williamson
Law Office of James Newell
Weinberger Law
The 24 firms shown for Boulder, CO 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: Boulder, CO
All 24 firms we list here are in Boulder itself. We have 52 firms in Boulder on file; this page shows the highest-rated 24. The firms on this page are rated from 4.2 to 5.0 across 816 reviews; 4 have 50 or more reviews and 23 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "knowledge", "patient" and "trust". 1 is open around the clock and 2 are open on weekends. The practice areas the firms on this page list most often on their websites are estate planning (4), real estate (3), business formation (2), business law (2) and criminal defense (2). 1 shows a license on its website and 8 have a BBB rating of A or A+. Domain records put 20 websites of the firms on this page at ten or more years old; the oldest dates from 1995. 1 offers urgent consultations; 1 offers payment plans; 5 offer a free initial consultation and 1 is family- or locally-owned. 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 Boulder describe their corporate work online?
A website is on file for all 24 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.