Operating a business in today’s complex legal environment demands reliable legal guidance. Regas & Dallas P.C. is dedicated to supporting clients with the various aspects of commercial law, from drafting and negotiating business agreements to handling commercial disputes and enforcing corporate policies. A skilled commercial law lawyer at our firm can provide thorough legal services designed to protect your business interests and facilitate your commercial operations. At Regas & Dallas P.C., our approach combines detailed legal analysis with a practical understanding of the challenges that businesses face in the marketplace. We’re committed to helping you manage risks and leverage opportunities through sound legal advice.
Contact Regas & Dallas P.C. at (312) 702-1809 to discuss the ways a commercial law attorney can help you.
Regas & Dallas P.C.
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"Bill Dallas has helped with numerous entities and always delivered a desired end result." Bill Dallas has helped with numerous entities and always delivered a desired end result. It is a good feeling to have him and his team to turn to when the occasion warrants the need. I highly recommend them for any legal matter. - Mary Ellen H.
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"Bill represented me well and helped settle a dispute that would have otherwise dragged on and caused a much bigger headache." Bill was incredibly helpful with providing me information regarding a contract breach. He represented me well and helped settle a dispute that would have otherwise dragged on and caused a much bigger headache. I highly recommend you consider William Dallas and his firm for all your legal issues! - Mo A.
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"He went above and beyond my expectations, with empathy and compassion that I never expected from an attorney." By far the best attorney I have ever come across. William Dallas went out of his way to help me with my situation. He went above and beyond my expectations, with empathy and compassion that I never expected from an attorney. I will use him for all future legal matters, and recommend him to everyone. - Former Client
Why Choose Us
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Prompt Service
We provide a same-day follow-up to your calls and messages. We are fully dedicated to high-quality legal services.
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Client-Focused Advocacy
We take the time to understand your case and provide aggressive, yet compassionate representation.
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Award-Winning Attorneys
Attorneys achieved the highest rating of AV Preeminent® Attorney by Martindale-Hubbell®.
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Extensive Experience
Over 115 years of combined legal experience between our professional team of attorneys.
Areas We Serve

- Chicago