PorterKinney is a premier Certified Public Accountant firm located in the Tri-Cities, WA. We service the entire Mid-Columbia region of southeastern Washington State.. The tax professionals at PorterKinney, PC specializes in strategic tax preparation for individuals and businesses. Our philosophy is simple: Tax preparation should be more than just data entry. If you would like a data-entry specialist then any accounting firm will do. Do you want a CPA who will carefully search for additional tax deductions and discuss tax strategies? Then give us a call today! In addition to strategic tax preparation, we provide a full range of accounting services including bookkeeping, payroll, business consulting, and financial statement preparation. Our experience covers a wide range of market segments, from farmers' fields to physicians' offices.