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.

KOS News Ticker

  • Save the Date! - 2015 Economic Outlook Breakfast - Thursday, January 15, 2015 - 8:00-10:30am - Chicago Botanic Garden - Glencoe,... More →
  • Wise Up: Protecting Intellectual Property - Know basic rules for company assets - It does not take a genius to recognize the importance of your company’s “intellectual property,” including trademarks, copyrights, patents and trade secrets. Although an item of intellectual property is not as tangible as an automobile, a desk or a piece of equipment, it may be among the most valuable assets owned by your company. This is particularly... More →
  • Five Year-End Moves for a Small Business - Tax-planning ideas in the business sector - Year-end tax planning is not restricted to individual taxpayers. Some astute moves by the owners or managers of a small business can also shave dollars off your tax bill. As it does with individual tax planning, uncertainty exists, but here are five practical ideas to consider in any event. - *Wait and see on equipment purchases. Unless Congress takes... More →
  • Saving for College? Don't Stress Out; Chill Out - Diana Spatoulas, KOS Senior Accountant dspatoulas@koscpa.com - Now that a new school year is underway and your children are continuing their learning, it is a good time to consider their future education. Whether they are in preschool or high school, it is never too early (or too late) to start planning for your child’s college costs. Time goes by quickly and as college-age rapidly approaches,... More →
  • KOS Participated in IL CPA Day of Service - On Friday, September 12th, KOS employees participated in the Illinois CPA Day of Service. Employees packed food boxes at the Feed My Starving Children facility located at 742 East Park Avenue in Libertyville, IL. Everyone had a great time working together outside of the office and being a part of this rewarding day. KOS was honored to help out and give back to the... More →

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