Welcome to Broman & Kosar, Ltd.

Broman & Kosar, Ltd., Certified Public Accountants, is a business consulting firm serving the metropolitan Chicago area from offices in Crystal Lake and Wheaton, Illinois. With combined experience in excess of 50 years, we are able to offer a complete range of services for businesses and individuals. From individual tax planning to complex corporate consulting, we have the knowledge and experience to be your full service accounting and consulting firm. So check out our services -- we look forward to working with you.


  • American Institute of CPAs
  • Illinois CPA Society
  • National Association of Certified Valuators and Analysts

Tax Center

Our convenient Tax Center provides an array of tax information all in one place. Click here for more information...

Financial Calculators

Our convenient Financial Calculators can help you plan for your future. Click here for more information...

Paycheck Calculators

Click here to use our handy Paycheck Calculators...