Get a license Find out how to get the licenses you need to run your business, practice a trade, and more. 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 business or trade license Information on business and trade licenses and how to apply using eCLIPSE. Get a gun license Application and instructions for getting a gun license in Philadelphia. Get a license for your dog Rules and instructions for getting a dog license in Philadelphia. Get a marriage license Requirements, fees, and instructions for obtaining a marriage license from the City of Philadelphia. Search for property history and business license information Search for information on a property's trade licenses, violations, and permits or search for business license information.