This formula substantially reduces Georgia income tax for companies based in the state but that deliver a large portion of products or services to customers outside Georgia. Under the law, Gross Receipts, or sales in Georgia, are the only factor used to determine the amount of a company’s income that is subject to Georgia’s 6% corporate income tax. To many companies, Georgia’s single factor apportionment formula could mean savings of hundreds of thousands or even millions of dollars over the long term. Locally, Barrow County continually strives to improve our business-friendly environment.