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All businesses located within the city limits of Atlanta are required to have a Business Tax Certificate (sometimes referred to as a "Business License"). Fully complete, sign and date the Business Tax Application and be sure to enclose the $75.00 registration fee in guaranteed funds (money order or certified bank check). Neither personal nor company checks are accepted. Payment should be made payable to the City of Atlanta. Applications received through the mail require six to eight weeks processing time because zoning requirements also have to be completed.
Your tax is based upon the gross receipts and number of employees from your business. Businesses located in the City of Atlanta are taxed on statewide receipts. Businesses located outside Georgia are taxed on receipts generated in the City of Atlanta, only.
Here is a link to the application
Here is link to the manual
You can use this link to register your business with the state of GA