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Business Startups & Maintenance

Our Oak Brook Business Law Attorneys can help you Determine the right type of organization for your business. Call us at (630) 575-0400.

Our Business Focus: 

Creating, establishing or dissolving:


  • Small Businesses

  • Corporations

  • Subchapter S-Corps

  • Partnerships

  • Limited Liability Companies (LLCs)

  • Not-for-Profit Organizations


  • Business Purchases & Sales

  • Employment Contracts

  • Draft & Maintain Corporate Records

  • Design Ownership Agreements and Operating Agreements

  • Drafting Share Certificates

  • Shareholder Agreements and Buy-Sell Agreements

  • Registered Agent Services

  • Filing Annual Reports on behalf of Businesses

  • Representation of and Counsel to Small & Mid-size Businesses and Not-for-Profit Organizations

What Our Business Clients
Professionals Say About Us:

"Our Family has used Colleen for years to handle our legal needs and we have been nothing but impressed with her professionalism and ability to handle our family's needs. I would highly recommend Colleen to family and friends."

Jim - Glen Ellyn, Illinois

"Colleen has always been there for me. She is a consummate professional and has always assured that my matters are handled on time and perfectly. I highly recommend Colleen Sahlas as your lawyer."

Larry - Chicago, Illinois

"David and Colleen are absolute professionals. They know their stuff, don't push unnecessary things and to top it off, they are just good people. I would recommend them to anyone, family or friends. Keep up the great service David and Colleen, you are two of the good ones."

Craig Peterson, Peterson & Associates Insurance, Western Springs, Illinois

"Colleen Sahlas has been an EXCELLENT referral source for our clients. She is extremely knowledgeable in her field and professional and communicative with clients. It is truly a blessing to have a reliable referral source for clients who ask questions outside of our field of expertise and I proudly recommend Hoy and Sahlas to all of our clients seeking legal counsel. Thanks for doing what you do Colleen!"

Ryan Hickel, Certified Public Accountant -Hinsdale, Illinois

"Colleen Sahlas has provided excellent legal service, both for my incorporated business over the years, and personally for my family while we traversed an extremely painful loss. I would recommend her practice to anyone!"

James - Oak Park, Illinois

"I was introduced to David and Colleen by my parents. My parents worked with these two great people for 10+ years prior to their passing. Colleen has continued to work for my family in many, many ways. Real estate sales, trust work, LLC work and closing my parents estate. I would not go to any other firm or consult with any other attorney. I highly recommend Colleen and David for their professionalism, knowledge and caring heart."

Margaret - Mokena, Illinois

"I have known Colleen and David for over 15 years, and used their legal services for various business and real estate as well as private matters. They have high integrity and care about their clients. I highly recommend them."

Kinga - Elmhurst, Illinois

"I just got a chance to read the article '[Oak Brook Area] Welcomes Father-Daughter [Legal] Team,' in the Oak Brook Business First Spring Newsletter. And, yes, your practice does help us feel 'comfortable and cared for throughout the entire legal process.' Chris and I can vouch for that! Thanks again."

Kristen - Hinsdale, Illinois

"I have been using their services since 2003 in business, real estate and personal [law]. It has been great experience with all they did for us - recommended to many of our Family and friends."

Joseph - Elmhurst, Illinois

"I have sent Colleen a lot of cases. Everybody I send to Colleen comes back and tells me she was wonderful, she did such a good job she made me feel so comfortable!"

Bob Nyberg, Edward Jones - Western Springs, Illinois

"What a load you have taken off my mind. Thank you for your incredible professional and personal support."

Laura - Downers Grove, Illinois

"I have found Colleen Sahlas to be an excellent lawyer--honest, meticulous, understanding, and kind. I would not hesitate to recommend her to others. I think it would be difficult to find a better lawyer than Colleen Sahlas."

Ted - Bellwood, Illinois.

"Thank you for handling our clients in such a professional manner. It is comforting to be able to make a consistent, confident referral."

a Certified Public Accountant in Chicago's western suburbs

"I've been an insurance agent for nearly 30 years & worked with Colleen to protect her client. She was efficient, timely, & capable; a pleasure work with from a professional perspective. What stood out most was her genuine concern for her client's well-being. Having the skills is one thing, caring is much more rare."

Howard Brundage - Schulz-Brundage, Inc., Downers Grove, Illinois

Business FAQS:

Your guide to starting a business

  • Our Oak Brook Business Law Attorneys can help you Determine the right type of organization for your business

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