The Knee Law Firm
“Bill and his staff did an excellent job of updating our estate planning, will, POA, etc.”
Best Business Attorneys in Mount Prospect, IL
15 firms listed · 9 in Mount Prospect · 2 open 24/7 · 2 open weekends · 12 rated 4.5+
Data verified October 24, 2026
Young John S
“Very easy to talk to, accommodating to my busy schedule, and thorough.”
Skyles Law Group
“James has walked me through the entire process and made sure I was completely comfortable with everything involved.”
Law Office of Gene S Bobroff
“He's helped our family and extended family through numerous closings on both the selling and buying ends.”
Law Office of Kevin C. Wille
“He understood the significance of my property transaction and the impact it would have on my life, and he went above and beyond to ensure that best interests were safeguarded every step of the way.”
Thrun Tallman & Cohn
“Brad consulted about an code issue, not his area of focus but was extremely helpful.”
The 15 firms shown for Mount Prospect, IL 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: Mount Prospect, IL
Of the 15 firms we list here, 9 are in Mount Prospect itself and 6 come from towns including Arlington Heights (2, 3 mi), Rolling Meadows (2, 4 mi) and Des Plaines (1, 3 mi). 14 of the firms on this page have a rating, from 4.0 to 5.0 across 562 reviews; 4 have 50 or more reviews and 12 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (98%), responsiveness (88%) and quality (73%). The topics that come up most in reviews of the firms on this page are "trust", "knowledge" and "communication". 2 are 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 (4), commercial real estate (2), elder law (2) and probate (2). 4 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 35 years. 2 offer urgent consultations and 3 offer a free initial consultation. 1 has Spanish-speaking staff. 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.
Which business law firms listed for Mount Prospect describe their corporate work online?
A website is on file for 13 of the 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.
Law Office Coryo
Vold Jonathan
Dlugajczyk Robert
Mirae Law
“We just processed our green card application through Mirae Law, and our experience has been positive.”
Bott & Associates
“The entire process was simple and quick, but they also answered all of my questions and made the documents easy to understand.”
Law Office of Fedor Kozlov
“He explained and made sure I understood all my option!”
Cosley Law Office
“Don is a no-nonsense attorney who works quickly and gets the job done right.”
Drost Kivlahan McMahon & O'Connor
“They helped us go over the fine print for the sale of our old home.”
Chie Law
“Amazing experience working with an amazing attorney who truly made our transaction smooth.”
Why these companies made our list
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