• Welcome to KOS!

    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.

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    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.

Newsletter

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

KOS News Ticker

  • Be Sure About Estimated Tax Payments - How to avoid underpayment penalties - Even though you just put your 2016 tax return to bed, you cannot rest easy. It is already time to pay attention to your tax liability for 2017. Significantly, you may be required to pay installments of “estimated tax” for this year, especially if you are self-employed or retired. - The next due date for quarterly installments is June 15, 2017. The first... More →
  • This Retirement Planning Move Avoids Tax - Benefit from a rollover to an IRA - If you receive a distribution from an employer’s retirement plan, such as a 401(k), you are generally required to pay ordinary income tax on the payout. However, with a timely maneuver, you can continue to postpone paying the tax until you are ready to make withdrawals. - Basic rules: There is no current income tax liability on a distribution from a qualified... More →
  • Last Minute Email Scams - Reprinted From the IRS Website – www.irs.gov - The IRS, state tax agencies and the tax industry urged both tax professionals and taxpayers to be on guard against suspicious activity, especially email scams requesting last-minute deposit changes for refunds or account updates. - Recommendations for tax professionals: - Verbally reconfirm any change of address or direct deposit change to a refund... More →
  • Another Successful Peer Review for KOS - As members of the American Institute of Certified Public Accountants (AICPA), our firm is required to have a peer review every three years. A peer review is an external review of our firm’s quality control system in accounting and auditing and is also known as the AICPA’s practice monitoring program. - The program is designed to be educational for firms in public accounting to further enhance... More →
  • Do You Have to Pay the NII Tax? - Computing tax liability on 2016 returns - As the deadline for filing 2016 tax returns approaches, some taxpayers are still struggling with the rules for the 3.8% tax on “net investment income” (NII). The tax law provision authorizing this special tax was included in the Affordable Care Act (ACA), the law known as Obamacare. Although the ACA may be repealed by the new Trump administration, it... More →
"[KOS is] friendly, approachable, and always willing to help me find the answer to a question." - Joan Meyer La James International College