• 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

  • Feeling Good About a Crummey Trust? - Consider this estate-planning technique - Despite its off-putting name, a “Crummey trust” can provide favorable results for individuals who have a significant amount of assets. This device might be incorporated into a comprehensive estate plan. - Background: One of the basic ways of saving estate tax is to utilize the annual gift-tax exclusion during your lifetime. Currently, this provision... More →
  • KOS Service Spotlight…Did You Know? - Not-for-Profit Services - MOST NOT-FOR-PROFIT ORGANIZATIONS START WITH A VISION, - THEN THEY EMBARK ON THEIR MISSION TO CARRY OUT THAT VISION. - But limited resources can hinder your ability to accomplish your mission. And making more budget cuts is hard to swallow when financial constraints are already in place. - Success depends on adequate funding, generous donations, and committed volunteers.... More →
  • KOS is Hiring! - KOS is a place where you can build a career that incorporates interesting assignments, training for new skill sets, a great company culture, and a reasonable balance between working and down-time. - Our firm is currently seeking talented, entrepreneurial-minded, advancement-oriented individuals for the following openings: Staff Accountant, Accounting Senior, Accounting Supervisor, Accounting... More →
  • How to Salvage a Home Sale Exclusion - Partial tax break may be available - One of the biggest tax breaks in the tax code is the home sale exclusion. If you qualify, you can exclude the tax on the first $250,000 of gain from the sale of your principal residence, doubled to $500,000 if you file a joint return. But the exclusion is not available if you do not meet certain requirements. - Saving grace: Even if you fall short, you may be... More →
  • Take Tax Credit for Making Money - Rundown on tax break for renovations - A real estate owner may be contemplating the renovation of an older building in a historic part of town or a place that otherwise has historical implications. Fortunately, the federal tax law provides some incentives. Before you start tearing down walls and putting up a new façade, follow the steps for having the building certified as a historic structure.... More →
"[KOS is] friendly, approachable, and always willing to help me find the answer to a question." - Joan Meyer La James International College