For more than 40 years, clients from Northwest Indiana and Chicago’s south suburbs have trusted locally-owned McMahon & Associates CPAs to help them grow their business and become more profitable. Why? Because we offer a unique blend of big firm services and small firm caring. From advanced technical tax expertise, including IRS Enrolled Agent designation, to basic bookkeeping and payroll services, clients find the services they need for every stage of business… and every stage of life. Whether you are a new entrepreneur or an established multi-state business owner, our dedicated professionals can help your bottom line. At McMahon & Associates your success is always our goal.