O'Connor, Wells & Vander Werff, LLC is a Waupun, WI tax and accounting firm serving individuals, small businesses, nonprofit organizations, and clients planning for business transitions. Its listed individual services include personal financial planning, estate planning, and elder care, alongside business support such as small business accounting, payroll, cash flow management, and new business formation.

The firm’s tax services include tax preparation and tax planning, as well as help with tax problems such as IRS audit representation, non-filed returns, back taxes owed, payroll tax issues, liens, levies, payment plans, and related IRS matters. Its business services also reference QuickBooks services, including setup, training, tips, and tuneups, plus audits, reviews, compilations, internal controls, strategic planning, and succession planning.