Serving Chicago Since 2003 Strategic & Creative Legal Solutions

Our team works closely to develop the right solution for your business and personal legal needs. Our goal is to deliver results efficiently and quickly so you can move forward.

Chicago Commercial Litigation Attorneys

Elite Counsel for Commercial Clients

Located in the heart of downtown Chicago since 2003, Regas & Dallas P.C. provides exceptional legal services to the business and real estate community at a cost well below that of other premier law firms.

Our Chicago commercial litigation lawyers have over 100 years of combined legal experience and have delivered results for hundreds of commercial clients.

Whether litigating a dispute or closing a deal, our accomplished team delivers innovative solutions that allow our clients to overcome obstacles and compete effectively in today’s business climate.

No matter the challenges you face, we pride ourselves on giving our clients prompt, immediate, and tailored attention. We understand that our clients have urgent needs, and you can expect us to be available to meet them.


Learn more about how our exemplary legal services can benefit your business by scheduling a complimentary consultation. Contact us online or call (312) 702-1809 to get started.


Decades of Powerful Advocacy

In addition to our commercial transactions and litigation services, our firm can also assist businesses and individuals in several other practice areas.

We represent employees in matters of employment litigation, including discrimination complaints. Our experience litigating these matters helps us counsel businesses in proactively addressing and avoiding employment-related conflicts.

Our lawyers can also support individuals with:

  • Estate planning
  • Business succession planning
  • And resolving conflicts of probate and trust administration

Whether you are a bank, a small business owner, a real estate investor, or a commercial developer, our team offers a consummate level of legal services unparalleled by even the largest of firms.

Our lead attorneys have achieved the highest rating of AV Preeminent® Attorney by Martindale-Hubbell® year after year. We are also consistently lauded by our clients and our peers as one of the premier law firms in Chicago.

Honest & Responsive Representation

Regas & Dallas P.C. is a boutique law firm that feels more like a family. We take the time to understand your needs and ultimate goals.

Developing Solutions

When you come to our firm, we take the time to understand your case and determine exactly what we can do to help.

We will thoroughly review the details of your particular situation and ascertain what your desired goals are for resolution.

Our diligent and insightful legal professionals can identify all solutions that can help you achieve your objectives and deliver the results your business needs to succeed.

  • Full dedication to high quality legal services.
  • Aggressive, yet compassionate representation.
  • Over 115 years of combined legal experience between our professional team of attorneys.
  • Client-focused advocacy. We take the time to understand your case.

Protecting Your Business Transactions

Successful business-to-business interactions are paramount to any company’s operations. Contractual terms and other legal agreements must be carefully drafted and enforced to guarantee the current and future viability of your enterprise.

We can vigorously work to protect your company's interests in numerous types of business transactions, including:

Safeguarding Your Interests in Litigation

Whether your venture becomes involved in a civil suit or a business dispute, any type of litigation can disrupt your day-to-day operations and may even threaten the future of your company.

Our firm is made up of skilled litigators who think outside the box and can aggressively champion your rights in and out of the courtroom.

Regas & Dallas P.C. has earned a strong reputation for consistently delivering favorable results for our clients.

Our Chicago commercial litigation attorneys can help safeguard your business during:


Put a team of skilled problem solvers on your side. Call (312) 702-1809 or contact us online to start your exploring your legal options with us.

Get Answers to Our Client's Most Frequently Asked Questions

Our Clients Share Their Experience

    Very knowledgeable and wonderful

    “Bill Dallas has help us so much over the last year. He made the whole process of starting our new business very easy. The whole team is very knowledgeable and wonderful to work with!”

    - Elise J.
    Nice, listened attentively

    “I had a complex legal issue relating to Contract Law, which on first glance, there was no good solution. I am an attorney, but I am not a specialist in Contract Law. I contacted Bill Dallas because I ...”

    - Dianne O.
    Great communication and service

    “Bill did an amazing job of guiding me through the process of forming my PLLC, as well as providing me insight and clarity about how to keep myself and my practice safe and thriving. Great ...”

    - Scott R.
    Response was quick and very efficient

    “Bill Dallas helped me so much with a former employer, he listened to my concerns, asked good questions and was able to explain things clearly to me. He was able to find a resolution and resolve my ...”

    - Sarah A.
    Really do care about their clients

    “Bill Dallas helped my company, and me, resolve a contentious business issue that had been plaguing us for months. Bill was attentive to every detail, responded quickly to my communications, and ...”

    - Kevin C.
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