From the company's website:
Signal Studios is a Seattle-area developer of video games and interactive software applications. Signal’s founders combine years of experience across all disciplines in the games industry, working as leads and developers together at some of the industry’s top studios and publishers.
Signal is actively developing multiple projects across several platforms, using its proprietary engine and toolset, SigEngine™. Built from the ground up to facilitate today’s demanding content creation needs, SigEngine™ provides an extremely optimized and user-friendly production pipeline.