Picogrid raises $45M to become the neutral integration layer for modern defence

This article was published on May 29, 2026 The Pentagon is buying defence hardware faster than it can make any of it talk to each other. Sensors, autonomous platforms, edge compute, electronic-warfare payloads, space and undersea systems, all arriving at once, each speaking its own dialect. Picogrid, a six-year-old company in El Segundo, California, has raised $45 million to translate. The Series A, announced on Thursday under embargo, was led by Bessemer Venture Partners, with Washington Harbour and GSBackers joining alongside existing backers including Initialized Capital, Starburst Ventures and the Czech fund Credo Ventures. It follows the $12 million seed round the company closed in early 2024, and it lands as the round sizes in defence tech keep climbing. Picogrid’s pitch is that integration, not invention, is now the constraint on military power. A force can field the best drone and the best radar on the market and still lose time stitching them into a command network that was not built to accept either. The company calls itself the “open integration layer,” a deliberately neutral position: built once for the ecosystem, it argues, rather than rebuilt mission by mission. That