About Us

American Institute of Certified Public Accountants

Peter Shannon & Co. is members of the American Institute of Certified Public Accountants (AICPA) and the Ilinois CPA Society. Our professional staff is also licensed and/or registered to conduct business in the State of Illinois and various other states. The AICPA requires its members to obtain a minimum of 40 hours of relevant training each year. Through continuing education, our professional staff receives sufficient training to meet the requirements set forth by the ever-changing accounting profession and by government regulations. The AICPA also requires a public accounting firm to receive a peer review of its quality control every three years. Since the inception of the AICPA Peer Review Program, we have consistently been in compliance with the AICPA standards.

Registered Public Company Accounting

In 2004, Peter Shannon & Co. was registered with the Public Company Accounting Oversight Board (PCAOB). The PCAOB is a private non-profit corporation, created by the Sarbanes-Oxley Act of 2002, which came in the wake of a series of corporate financial scandals. Its purpose is to oversee the auditors of public companies in order to protect the interests of investors and further the public interest in the preparation of informative, fair and independent audit reports. We are committed to conduct our practice with the highest standards of ethics and professionalism.

Our Mission at Peter Shannon & Co.

Our mission is to provide professional service that consistently exceeds the expectations of our clients. Technical competence as well as quality service is expected. We commit to open communication and timely responses to our clients throughout the year so we can address any concerns or ideas. Our staff places a high priority on working closely with clients and helping them define future needs and opportunities.

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