Work with a Chicago Business Lawyer Who Puts Clients First

If you’re looking for the top Chicago business lawyers, look no further than Sullivan Royko. We’re a solutions-oriented, client-focused, commercial litigation law firm with over thirty years of experience navigating and overcoming legal challenges in the courtroom and the boardroom.


Chicago Business Attorney: Our Practice Areas

When you need a Chicago business attorney, you don’t just need someone to help you handle your legal issues — you need someone who will advise and advocate for your business at all stages of growth, and when you work with our law firm, you’ll find exactly that.

Commercial Litigation

The attorneys at Sullivan Royko have significant experience in commercial litigation involving complex business litigation matters, including, but not limited to, contract litigation, partnership and shareholder disputes, and breach of fiduciary duty and fraud claims. Further, our attorneys have prosecuted multiple preliminary and permanent injunctions and temporary restraining orders, as well as serving as separately engaged trial counsel.

Outside General Counsel

Sullivan Royko uses its significant experience in commercial litigation to act as outside counsel for companies to advise them into how to build their business and mitigate risks.

Class Actions

Class action cases can occur in a wide variety of industries. In such settings, litigation arises on behalf of a group of individuals with a common claim. Attorneys at Sullivan Royko have significant experience in class action cases representing both plaintiffs and defendants in a range of industries.

Employment Litigation

Employment lawsuits which occur between staff and employers because of activities that occur at work can lead to complex litigation for those involved. Sullivan Royko’s attorneys have represented plaintiffs and defendants in a variety of claims, for example, wrongful termination and constructive termination claims, as well as representing unionized employees in hearings and arbitration proceedings.

Looking for a Chicago Business Lawyer?

Standing among the top Chicago business lawyers, Sullivan Royko is a Chicago-based law firm with Chicago character. The principals were born and raised in Chicago, we understand Chicago, and we know how to win in Chicago.

The team has experience taking more than fifty cases from inception to verdict. While our trial experience separates us from our competitors, at Sullivan Royko, the client is the focus, and we understand that trial is not always the best solution. We work diligently on behalf of our clients to find, create, and pursue all solutions. We believe in developing a winning strategy at the outset and executing that strategy efficiently and flawlessly to find the best resolution for our clients.

Best Business Lawyer in Chicago

At Sullivan Royko, we place immense value on the success of our clients’ businesses, which is why we’ve dedicated our careers to being the best business lawyers in Chicago, Illinois. 

The team at Sullivan Royko has obtained multiple seven-figure verdicts in commercial cases, mediated eight-figure settlements, and prevailed over some of the largest, most reputable law firms. We take great pride in our ability as litigators and trial lawyers. 

We have worked on cases ranging from commercial partnership disputes to complex and cutting-edge contract disputes between contracted parties and streaming internet services. We have served as outside counsel for businesses in environmental recycling, chemical production, distributing, hospitality, and brewing and distilling, among a range of other matters and industries. 

Our experience in the courtroom also uniquely prepares us to provide a critical service to our clients as outside legal counsel, preparing and advising large and small businesses and corporations on all forms of legal risk and potential litigation. 

All our client engagements have one thing in common: finding the best solution for the client. In difficult situations, we often work with PR firms to provide a full crisis management solution to our clients, including PR and legal solutions. Contact us to find out what we can do for you.

Why Hire a Chicago Business Litigation Lawyer?

Starting a business in the state of Illinois can be an exciting experience, but you may encounter some legal obstacles along the way. More specifically, you could be sued, and when that happens, you need a skilled legal advocate on your side to preserve the integrity and reputation of your business. 

Experienced, innovative, and solutions-oriented, Sullivan Royko is home to some of the top business litigation lawyers in Chicago, Illinois. When you turn to our attorneys with your legal dispute, we’ll give you the information you need to understand every detail of the situation you are facing and create a comprehensive strategy to help you successfully mitigate its potential consequences. From there, we’ll immediately begin providing aggressive representation to get the results you need.

Whether you own a small business or a multinational corporation, a business dispute should never be taken lightly. With everything you’ve worked so hard to build at stake, retaining the services of a reputable business law firm is essential. As your Chicago commercial litigation attorneys, our primary goal will be to settle your dispute outside of court, but if the other party refuses to reach a favorable resolution, we’re fully prepared to go to trial. 

No matter what it takes, we’ll act diligently and strategically, applying our creative, outside-the-box thinking to each stage of the litigation.

Sullivan Royko, Chicago’s Newest Law Firm

Sullivan Royko, Chicago’s Newest Law Firm

Ken Sullivan and Sam Royko Announce PartnershipChicago Lawyers Ken Sullivan and Sam Royko announce the formation of Sullivan Royko, LLC. Sullivan Royko is a Chicago-based law firm with Chicago character. The principals were born and raised in Chicago, they understand...

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Request a Free Consultation & See Why We’re the Business Lawyer Chicago, IL Trusts

Smart and savvy. Creative and engaged. These are just a few of the highlights you’ll notice when you reach out to our business attorneys in Chicago, IL. 

The team at Sullivan Royko takes great pride in creating a strong attorney-client relationship with Chicago business owners. We focus on growth and sustainability, never losing sight of the personal and professional goals of our clients. Whether you’re a seasoned entrepreneur with several successful enterprises or a new business owner starting your first small business, our Chicago business lawyers can help you skillfully navigate all areas of your company’s legal matters and offer the peace of mind you need to keep moving forward. 

For more information on our legal services, we invite you to contact us online or by phone at 312-600-8105 to schedule a free consultation. From the time you begin working with us to the moment you obtain your desired results, we’ll remain responsive and solutions-focused at every turn with the ultimate goal of helping your large or small business not just survive, but thrive.