Ohio Valley Accounting

113 S. Market St
Minerva, OH 44657


Tax Preparation

From individuals to C-Corps, we have navigated several types of tax returns, and we would appreciate the opportunity to help you complete yours in a manner that both minimizes your tax liability and helps you realize the value that a professional tax preparer can provide.

Small Business Consulting

If you are a proprietor trying to decide on an entity type under which to operate your business, we are happy to sit down with you and go over the pros and cons related to each entity type in regard to their respective tax treatment.

Tax Consultation and Planning

Is your business considering a capital investment? As an individual, is your financial picture about to make a significant change? We can help with that! Ohio Valley has a depth of knowledge pertaining to the tax code and can help you manage your financial situation in order to put you in a favorable tax position. We strongly encourage clients or potential clients of our firm to reach out and ask questions throughout the year, so that when your taxes are due, everything has been done to put you in a position that allows you to succeed. Please feel free to call or schedule an in-person appointment. Initial consultations and quick calls about potential tax situations are always free of charge!


We understand that small business owners often have multiple irons in the fire. Solid financial reporting can go a long way in allowing you to operate your business in an efficient manner. We are flexible in our approach and have worked with several clients with a variety of different needs. Whether you want us to analyze hard copy ledgers or go through your records remotely via QuickBooks, we will help you put together financial reports that clarify the bottom line.

Payroll Services

We have the staff in place to handle a variety of payroll needs, from simple calculation to complete filing of all quarterly and annual payroll reports.


QuickBooks is a cost-effective method to manage your company’s accounting records, and Ohio Valley can help you through the process of installing the software that allows you to best utilize the QuickBooks program. We are here to listen to and evaluate your needs and to help you develop a system for taking advantage of the efficiencies that QuickBooks provides.

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About Us

Brent Woolf | CPA

Brent joined Ohio Valley Accounting and Tax Services in 2017. Brent is a graduate of Youngstown State University, from which he earned a Bachelor of Science in Business Administration with a major in accounting. He is a licensed CPA with the state of Ohio. Prior to joining OVATS, Brent worked for an agricultural commodity trading, export, and processing firm in a variety of trading and managerial roles. In the fall of 2023, Brent and his wife, Teryn, completed the purchase of OVATS from Tom and Pam Carnahan. They look forward to the opportunity to work with the Minerva community and surrounding areas in the future.

Brent's primary duties at OVATS include individual and business tax consultation, IRS notice resolution, business analysis, and accounting needs of clients. Brent, Teryn, and their five children - William, Hazel, Calvin, Silas, and Frances - reside near Winona, Ohio.

Thomas M. Carnahan | CPA

Tom and his wife Pam had been the owners of Ohio Valley Accounting and Tax Service for over 40 years. They are pleased to have the business now in the capable hands of Brent and his staff.

Tom graduated from Kent State University in 1979 with a BBA in Accounting and has thoroughly enjoyed working with many clients over the years. Tom will continue to do personal income tax returns.

Tom and Pam have two adult daughters and four grandchildren and love spending time with them. Travel is also in the plans as Tom is reducing his time in the day-to-day business. They reside outside of Hanoverton.

Seth Williams

Seth joined Ohio Valley Accounting and Tax Services in October 2022. Seth earned an Associate's Degree at Eastern Gateway University in 2021, majoring in business management. He is currently in the process of becoming an Enrolled Agent, which will allow him to represent clients before the Internal Revenue Service. Before working with OVATS, Seth worked in management for Fresh Mark in Massillon, Canton, and Salem.

Seth's primary responsibilities include preparing payroll for clients, filing payroll taxes and preparing tax returns. Seth, his wife, and their children live outside of Lisbon, Ohio.

Christine Hardman

Christine Hardman joined Ohio Valley Accounting and Tax Services in March of 2023 to provide administrative assistance. She holds an Associate's Degree in Human Resource Management from Stark State University and is currently pursuing her Bachelor of Science degree in Labor & Human Resource from Penn State University World Campus. With 7 years of experience in the HR and administrative field, Christine combines her academic knowledge with practical expertise to drive organizational excellence.

Residing in Minerva, she shares her life with her husband, Vince, and their two children: Victor and Violet.


Ohio Valley works with a variety of businesses, ranging from a European antiquities retailer to a small manufacturing firm that contracts with NASA.

If you do not see your specific industry listed below, please do not hesitate to call and see if there is a way that we can add value to your endeavor. Initial consultations are always done at no charge.

Machining and Machine Repair
Professional Service Firms
Healthcare & Homecare