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.

Contact Us


About Us

Thomas M. Carnahan | CPA

Tom graduated from Kent State University in 1978 with a degree in Business Administration and Accounting. Over the next few years, he worked in both public accounting and as an accountant in industry. In 1982, Tom joined his father in Ohio Valley Accounting. Tom later took over as the managing partner of the business, and he has continued to oversee the daily operations and growth of Ohio Valley since that time.

Tom and his wife, Pam, live near Hanoverton, Ohio, and have two adult daughters and two granddaughters. Pam joins the Ohio Valley team every year during tax season and lends a hand in a variety of roles to keep things running smoothly. Both Tom and Pam value the relationships they have established with their clients and the local community, and they look forward to the opportunity to continue serving the accounting and tax needs of the area over the coming years.

Brent Woolf

Brent is the most recent addition to Ohio Valley, having joined the team in May of 2017. Brent is a graduate of Youngstown State University, from which he earned a Bachelor’s of Science in Business Administration with a major in accounting. He is currently enrolled in the Masters of Science in Accounting Program at Kent State University and is concentrating his studies in taxation. Prior to joining Ohio Valley, Brent worked for an agricultural commodity trading, export and processing firm in a variety of trading and managerial roles.

Brent’s primary duties at Ohio Valley will include individual and business tax consultation, IRS notice resolution, business analysis, and filling in the gaps when needed. He is working toward his CPA certification with the goal of having the process completed by the summer of 2018. Brent and his family - his wife, Teryn, and their two children, William and Hazel - reside near Winona, Ohio.

Sue Simons

Sue joined Ohio Valley in an administrative role during tax season of 1995, and has been working with the firm dutifully ever since. Sue continues to manage many of the administrative functions of the office; in addition, she focuses on payroll services that the firm provides to its business clients.

Sue and her husband, Richard, reside near East Rochester, Ohio, where they enjoy spending time with their family, especially their seven grandchildren.


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