Founded in 1998, Perfexion, Inc. is a digital marketing agency that is located in King of Prussia, a suburb of Philadelphia. It offers a variety of services to improve the profitability and business workflow of its clients. Such services include website design, search engine optimization (SEO), pay-per-click (PPC) management, email marketing, custom software development, and search engine marketing (SEM). Perfexion has worked with clients from a wide range of industries, which include law, e-commerce, manufacturing, construction, accounting and financial services, food service, and real estate. In May 2015, the Philadelphia Business Journal picked Perfexion as one of the area's top software development companies.