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.