• Welcome to Kessler Orlean Silver!

    With an over 80-year history, the mid-sized accounting firm of Kessler Orlean Silver & Co., P.C., provides innovative accounting solutions to business owners, executives and managers, private investors, and professionals.

    Our down-to-earth style and practical experience come from a long-time culture of helping people and feeling passionate about doing so!

  • What Sets Us Apart

    We care. Pure and simple.

    ‘Above and beyond’ dedication to client service is our highest priority. Clients tell us they appreciate our accessibility and outstanding service. We believe it’s essential that you receive our close personal attention with prompt answers and new ideas.

    No situation is too tough or too routine. Every challenge is viewed with a fresh eye and resolved with a creative solution.

    By placing our service standards front and center in the way we conduct business, you can expect to receive the highest quality service while we help you improve your business or personal financials.

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


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

Firm Profile

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


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

KOS News Ticker

  • Cut Down on Employee Turnover - Practical ideas for small business owners - It is a fact of life for small-business owners: You spend considerable time “investing” in an employee so that he or she meets your expectations through training and experience. Then, the employee suddenly leaves for another job, and you have to climb the learning curve all over again with a replacement. This frustrating process takes time and costs... More →
  • Counting the 12 Days of Tax Scams - The IRS releases its "Dirty Dozen" list for 2015 - Every year, the IRS issues a list of “Dirty Dozen” tax scams for taxpayers to watch out for. The list has not varied much in recent years, but this year the IRS posted a separate press release over 12 business days for each one. The following is a summary of the Dirty Dozen in the order of posting. - 1. Telephone scams. Someone may pretend to... More →
  • Guilty Until Proven Innocent - Generally, joint filers on a tax return can be held jointly or severally liable for tax understatements, meaning that the IRS can come after either one or both parties. But you may not be held liable if you qualify as an “innocent spouse” under the following rules: - *You must have filed a joint return that has an understatement of tax. - *The understatement must be due to erroneous items of... More →
  • Facts and Figures - Timely points of particular interest - Marketing Checkup—With midyear fast approaching, this is a good time to check whether your marketing strategies are meeting your objectives. Conduct a preliminary assessment, and then dig deeper by conducting a marketing audit. Don’t be afraid to venture into this area if you are fearful of what you will find or how your firm is lacking. Devote the time... More →
  • Should You File an Amended Return? - Determine when it makes sense - Suppose you just discovered an omission on your 2014 federal tax return. Does this warrant an amended return? It depends. - Clearly, you should file an amended return if you owe the IRS more money as a result of an error, especially if you under reported income from interest, dividends, stock transactions and the like. Because the IRS receives matching Form 1099s... More →
"[KOS is] friendly, approachable, and always willing to help me find the answer to a question." - Joan Meyer La James International College