John Morrissey Accountants, Inc. is a Belvidere, IL tax and accounting firm serving individuals, businesses, and nonprofit organizations. Its listed services include individual and business tax preparation, tax planning, bookkeeping, payroll, small business accounting, and part-time CFO support.

The firm also provides IRS notice and audit help, estate and trust tax services, assistance with non-filed returns and back taxes owed, and business advisory support for areas such as cash flow management, financial reporting, internal controls, succession planning, and new business formation.

For clients using accounting software, John Morrissey Accountants lists QuickBooks setup, training, tune-ups, and answers among its services. The source material also notes a 50-year history and describes the firm as focused on relationship-based accounting and tax support.