Licenses, permits, taxes, incentives, and employment laws related to doing business in Philadelphia. Apply for a trade license Identifying and getting the necessary trade license to do business in Philadelphia. Business taxes Tax types and requirements for businesses that are located or operate in Philadelphia. Find out what license you need for your business Information and tools to help you determine which licenses and permits you need for your business. Get a commercial activity license Instructions for getting a commercial activity license, which is required in order to conduct business in Philadelphia. Paid sick leave Details on the City law that requires sick leave for employees, and how to report a Philadelphia business that isn’t following the law. Register a business Instructions for registering a business in Philadelphia, including how to choose your business structure and get a City tax account number. Report graffiti How to report graffiti to get it removed. Report wage theft How to determine if you've been the victim of wage theft, and how to report it. Vendor payments status Track payments the City owes you as a vendor.