Callero & Callero is a certified public accountant located in Niles, Ill. The firm has been specializing in personal financial planning, accounting services and financial advisement for more than 40 years. The accounting services offered by the firm include business plans including cash flow and profit sharing, audit of financial statements and other reports, financial statement preparation including compilations and reviews, write-up and bookkeeping, litigation support and forensic accounting, and benchmarking. Its taxation services include tax planning, protest letters and letter rulings, tax compliance, partnerships, property transactions, sale of businesses, and incorporation and corporate structure. The services also include estate tax planning, corporate taxation, family companies, and restructuring, retirement and state sales and use taxes. The firm provides various financial calculators to its clients, including mortgage loan, amortizing loan, retirement planner, college savings, and life insurance.