Guinn, Vinopal & Zahradka, LLP is a Wisconsin accounting firm serving individuals, businesses, trusts, estates, and nonprofits. The firm provides tax services, bookkeeping, payroll, and business consulting, with a business model described as flexible to client needs.

Its work includes business and individual tax preparation, tax planning, compliance support, new business formation, and QuickBooks setup. The firm lists two Wisconsin office locations, including New Richmond, WI and Hudson, WI, and describes its accountants as providing modern tax and accounting services for a wide variety of businesses and people.