Chicago Business Valuation Group provides high quality business appraisal reports nationwide at a reasonable cost. The First Chicago Method is a probability-weighted valuation of a company using different cases and a probability weight assigned to each case.Take a look at our Business Valuation page. Seek legal help from a Chicago business valuation lawyer at Arnoux Sharma Standeford, LLC. We'll obtain the right experts to value your business fairly. You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets. How do you value a private company? How do you value a small business with no public information available? Learn how to value your business with the EBITDA formula so that you can demonstrate your worth to buyers and investors. Retail businesses usually have a value between 1.5 to 3 times their earnings plus inventory at cost.