Pier & Associates, Ltd. was founded by Mary Lou Pier in 1991. Ms. Pier worked for a local, national, and international accounting firm before founding Pier & Associates, Ltd. She has experience in the areas of accounting, taxation, and business advisory services. Our clients have been developed over the years through long standing professional and personal relationships of Mary Lou Pier. Our clients are spread throughout the United States and work in a variety of industries.

Pier & Associates, Ltd. has diversified its practice to meet the needs of our clients. Our focus of adding value through quality client service demands that our service be focused on improving our client's abilities to attain their goals. We treat each client as an individual and customize our services to ensure that all financial needs are met.

Our mission is to provide timely and efficient accounting, tax, and business advisory services at a minimum cost to our clients within the guidelines of the American Institute of Certified Public Accountants and the Illinois CPA Society in an environment conducive to growth and development for our employees.

The firm is a member of the American Institute of Certified Public Accountants, Illinois CPA Society, the Tax Division of the American Institute of Certified Public Accountants and the Private Companies Practice section of the American Institute of Certified Public Accountants.