Ohio's CAT is an annual tax paid for doing business in the state. It's based on the taxpayer's gross receipts from business activities in Ohio.A purchaser of the assets of a business will be liable for any unpaid sales tax of the seller, as well as any accrued interest and penalties related thereto. Upon determining the type of business entity you would like to form, our office can assist you in the filing process. Through Ohio Business Central, you can file a number of forms online, obtain and request publications, search existing businesses, and sign up for our. You can look up your local sales and use tax rates with TaxJar's Sales Tax Calculator. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. To start an LLC in Ohio, file Articles of Organization with the Ohio Secretary of State. In the current environment, service at the local level may be more challenging than ever before. This handbook is one small way my office seeks to assist you in.