Welcome to Deverson & Tanack, CPA's! Deverson and Tanack is a Certified Public Accounting firm providing the Greater Pittsburgh area with professional expertise and cost-effective accounting services for 32 years.  We offer big firm expertise with a small firm price. Our firm offers a wide range of services, including accounting, auditing, taxes, financial planning, consulting, and estate planning. Whether you are new to our site, or returning for a visit, we hope to provide you with timely and valuable information. As your business partner, we understand your need to save time and will work with you to find effective solutions for your business needs. We strive to build and maintain long-lasting business relationships, and this website is an extension of our commitment to you. Please feel free to contact us for additional information about our firm and the services we offer.  We look forward to speaking with you soon.