One Accounting Tax, Inc. is a Braintree, MA tax and accounting firm serving individuals, small businesses, and real estate investors. The firm is identified as a Federally Licensed IRS Enrolled Agents firm and provides tax preparation, tax planning, accounting, bookkeeping, and payroll-related services.

Its listed capabilities include business and individual tax preparation, IRS notice and audit support, sales tax, payroll tax compliance, and new business formation. The firm notes service options for in-person and remote work, and QuickBooks is listed among its software tools. Source materials also describe experience with small business, real estate, and individual tax matters.