CHICAGO & NEW YORK–(BUSINESS WIRE)–Grant Thornton LLP today announced that it has acquired CBIZ CPAs P.C., marking another step in the broader combination of Grant Thornton and CBIZ announced earlier this week. Grant Thornton operates in the U.S. through two specialized entities: Grant Thornton LLP, a licensed certified public accounting firm that provides audit and assurance services, and Grant Thornton Advisors LLC, which provides non-attest services, including tax and advisory services. To