About Us

Since first opening its doors in 1920, O’Connor, Brooks & Co., P.C. has dedicated itself, through the efforts of its employees, to fulfill the firm’s mission statement. The mission statement “to provide quality professional services, which contribute to the growth and success of our firm. our clients, and our community while never losing the local identity and personal relationships that are the ¬†foundation of our practice” defines the everyday operations of ¬†O’Connor, Brooks & Co., P.C.

Although the company’s formal organization type has evolved from the sole proprietor to partnership to the current professional corporation, the efforts of the firm remain constant and true to its commitment of time and expertise to each of its clients. Whether it be income tax preparation, payroll services, financial statement compilation, or management advisory services, firm personnel strive to maintain the highest standards during their performance in accordance with the mission statement.

Many changes have occurred at the firm over the past ninety-five years including the opening of an office in Galena, Illinois and an expansion of the Dubuque, Iowa location.

Each location has staff qualified to provide the best professional service to its clients. Company staffing includes certified public accountants licensed to practice in the states of Iowa, Illinois and Wisconsin, as well as income tax professionals, payroll processing specialists and financial statement analysis.

O’Connor, Brooks & Co., P.C. is proud to continue the rich tradition established in 1920 by its founder M.E. Brooks through integrity, wisdom and stability in the performance of services to its clients.