On the surface, accounting firms seem a lot alike. But some firms leap out of the pack. So what makes KOS different?
Our people. Sincerely caring, really listening, and then putting your outcome ahead of our interests.
It’s our exuberant commitment: to put you above all else.

Based in Deerfield, a Chicago suburb, KOS serves businesses and individuals in multiple states
providing business consulting, auditing, accounting and bookkeeping, and tax services.

  • January 25, 2012 - A Few Tax Changes for 2012 - By Marisol Martinez, KOS Staff mmartinez@koscpa.com - Congress has had their plate full in deciding the fate of our tax consequences. Some changes have already been made and some are still in the making. - Filing Deadline - This year your individual tax return deadline has been extended to April 17, 2012. - E-filing - For the most part, all accounting firms have been mandated to e-file all of... More →
  • January 24, 2012 - Make 2012 a “Record Year” for Taxes - How to organize your key records - The IRS generally requires taxpayers to shoulder most of the recordkeeping responsibilities. If you have not kept the necessary tax records in the past—or if your recordkeeping has been inadequate—make it your New Year’s resolution to improve in 2012. - Despite the hassle, you can make the process go a lot smoother if you organize your records in a logical... More →
  • January 24, 2012 - How to Put Time on Your Side - Make use of better time management - Frequently, business owners deal in “commodities,” such as the goods that the company might produce or sell to the general public. Yet they may pay scant attention to one of the precious commodities: time. Successful businesspeople understand this concept and treat time as one of their most valuable resources. - Knowing how to use time wisely increases... More →
  • December 29, 2011 - Changes to Illinois Reporting for Household Employees - By Geoff Harlow, KOS Partner gharlow@koscpa.com - Effective for tax year 2011, household employers must separately report Illinois Withholding Income Tax and Unemployment Insurance Contributions. Form UI-WIT, Combined Return for Household Employers, has been discontinued. - Illinois Withholding Income Tax: You may report the 2011 Illinois Income Tax withheld from household employees on your 2011... More →
  • December 29, 2011 - New for 2012: Form 1099-K - By Michael Wall, KOS Manager mwall@koscpa.com - Over the last few years there have been a number of pieces of legislation passed by Congress that affect small business and will be implemented in the future. The Housing and Economic Recovery Act of 2008 contains many provisions that affect tax years 2012 and beyond. Section 3091 of the Housing and Economic Recovery Act of 2008 requires third party... More →

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