Financial Accounting Services is a CPA firm in Lisle, Illinois, serving tax and accounting needs for individuals and small businesses. The firm focuses on tax preparation, tax planning, and IRS taxation, with support for changing life and business events that can affect filing and planning decisions.

The practice also provides accounting, bookkeeping, payroll, and audit help, along with business consulting, financial planning, transaction structuring, and strategic tax consulting. Its source materials describe online document access through a secure client portal and remote filing workflows for clients who prefer not to work only in person. The firm presents its role as helping clients understand options for managing taxes, accounting responsibilities, and small business planning.