Hidden Founders is a startup accelerator that provides support for startups in the early stages of development. Targeting technical founders, the company offers assistance in building Minimum Viable Products (MVPs) through a structured program. Their services include technical development, mentorship, and guidance to help startups refine their ideas and reach product-market fit. The website for Hidden Founders is http://gethillo.com, where more details about their programs and application processes can be found.