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

  • Tax Extenders Legislation - Congress Passes; President Signed - On Tuesday December 16th, the Senate approved a “Tax Extenders” bill previously approved by the House of Representatives. President Obama signed this bill on Friday December 19th. The legislation extends for one year a number of tax deductions and credits that had expired on January 1, 2014. - We expect that the following provisions included in the legislation will be relevant for many KOS... More →
  • Kessler Orlean Silver & Co., P.C. (KOS) and Ruzicka & Associates, Ltd. Announce Merger - Two firms join forces to expand scope of services offered to clients - Kessler Orlean Silver & Co., P.C. (KOS) is pleased to announce that it has merged in Ruzicka & Associates, Ltd. of Northbrook, IL effective December 1, 2014. Ruzicka & Associates, Ltd. and its three principals have moved into the KOS offices in Deerfield, IL and operate under the KOS name. - Founded 38 years ago,... More →
  • Year-End Tax Planning Tips - Jeffrey Arnol, Managing Partner jarnol@koscpa.com - The end of another year is fast approaching and it is an important time to evaluate, review and take steps to reduce taxes on your personal and business returns. Planning advice for 2014 includes strategies for accelerating deductions and deferring income as well as managing assets. - Tax planning should be a year-long process, but many people... More →
  • Beware of Charitable Deduction Pitfalls - Special Rules May Limit Annual Deductions - When you make a donation to a qualified charitable organization, you probably think you can write off the full amount of the contribution, no questions asked. In fact, you might not even give the matter a second thought. But the tax rules for charitable deductions are fraught with perils, including numerous limitations and special restrictions. - It is... More →
  • Cost of Parenthood - Olga Bernick, KOS Senior Accountantobernick@koscpa.com - According to the U.S. Department of Agriculture (USDA), I will spend half a million dollars to meet the basic needs of my two children before they are off to college. That price tag excludes the cost of college. - Since 1960, the USDAhas published estimates of expenditures on children from birth through age 17 in its report known as the... More →

Firm Profile

Learn more about the firm's people, philosophies, and client service commitment.
read more

Our monthly newsletter is available online and keeps you current on tax and financial matters.
read more