Professional Auditing Services
Quality Auditing Services in Sheboygan County Wisconsin
At Corson, Peterson & Hamann, we deliver thorough and dependable professional auditing services tailored to meet the unique needs of public entities, educational institutions, not-for-profit organizations, and small businesses.
With decades of experience in financial oversight and compliance, our CPAs and audit professionals are committed to accuracy, transparency, and practical guidance throughout the entire audit process. Whether you are required to meet regulatory standards or are seeking reliable financial insight to guide decisions, we’re here to help you with clarity and confidence.
Types of Auditing
Governmental / Municipal Audits
Our governmental and municipal audit services ensure that cities, villages, towns, utilities, and other public entities maintain financial integrity and comply with state and local reporting requirements. We conduct comprehensive year-end audits that assess financial statements, internal controls, and compliance with applicable regulations. We also assist with annual filings to the Department of Revenue and Public Service Commission, helping your government organization meet all statutory deadlines with confidence and precision.
School District Audits
School district audits require specialized knowledge of education finance and state-level requirements. Our team will manage your entire audit with an eye for detail and an understanding of Department of Public Instruction standards. We examine budgetary compliance, review financial reporting, assess internal controls, and ensure that funding and expenditures are accurately reflected and properly documented. With our support, administrators and boards can focus on educational outcomes, knowing that their financial compliance is in expert hands.
Not-For-Profit Audits
Not-for-profit organizations face unique reporting obligations and donor expectations. We provide customized audit services for local non-profits, including those requiring audits for County, United Way, or other grant-related requirements. Our team evaluates financial statements for accuracy and integrity, reviews adherence to fund restrictions, and helps prepare year-end information such as IRS Form 990. With thoughtful analysis and transparent reporting, we help your organization maintain trust and demonstrate financial stewardship.
Small Business Audits
For small businesses seeking assurance, lending support, or regulatory compliance, our audit services provide valuable insight into financial operations. We perform detailed audits in accordance with recognized government auditing standards, helping business owners validate their financial statements, assess risk areas, and establish stronger internal controls. Whether you are preparing for growth, securing financing, or simply want a clearer picture of your company’s financial health, our team delivers reliable results with practical recommendations.

Our Accounting Services
Auditing
We deliver thorough and dependable professional auditing services tailored to meet the unique needs of public entities, educational institutions, not-for-profit organizations, and small businesses.
Bookkeeping & Payroll Processing
We provide your small business with full service bookkeeping and payroll processing, including direct deposits, payroll reports, tax planning, business planning, and more.
Tax Prepartion & Planning
We work to make sure your year-end taxes are done properly so you get the tax refund you’re entitled to. For your peace of mind, we’ll complete your electronic filing for you.
Contact Us
Quality auditing, accounting, payroll, and tax services from Corson, Peterson & Hamann S.C. in Sheboygan, Wisconsin.
