Grandiz | 133 followers on LinkedIn. Grandiz is a software outsourcing company that builds web-based technologies and mobile apps. Some of the most recognized clients include PSFK.com, Skift.com, Digiday.com and Heartland Payment Systems. Founded in 2007, Grandiz has become the IT talent and solutions provider for a range of companies, including online media, Travel, e-Commerce and Internet startups.