Belfast’s Cloudsmith raises $72M Series C to secure the AI-generated software supply chain

TCV led the Series B one year ago and now doubles down on the Series C. Insight Partners also returns. The thesis: AI coding agents are generating software so fast and at such volume that human code review is no longer sufficient, and enterprise artifact management must function as the primary control and security layer.

Cloudsmith, the Belfast-based artifact management platform, has raised $72 million in a Series C round led by TCV, with participation from Insight Partners and other existing investors.

Both TCV and Insight Partners had backed the company’s $23 million Series B in March 2025, meaning the Series C represents a renewed conviction less than thirteen months later.

The round will fund product development and go-to-market expansion. The company was founded in Belfast in 2016 by Lee Skillen (CTO) and Alan Carson (now Chief Strategy Officer); Glenn Weinstein, formerly Chief Customer Officer at Twilio, joined as ...