Custom Software Developer Home / Software Development / California, USA / Santa Monica / 90405 / Closegap Closegap - Software Development services, California, USA ClosegapClosegap - Software Development services, California. Closegap, 2219 Main St, Santa Monica, CA 90405, United States, 90405, USAhttps://www.closegap.org Custom Software Developer Services offered in California: Bespoke Software Development, Custom Software Development, Software Design, Application Development, Embedded Software Development, Business Software Solutions