Sotiris Filippidis

Sotiris is the co-founder and managing director of DotSee Web Services (https://www.dot-see.com), a Greece-based Umbraco Silver Partner agency specializing in website development, upgrades, and ongoing support. With extensive experience in web technologies, software development, and digital projects, he combines technical expertise with a practical understanding of business needs. He regularly shares insights on Umbraco, web development, emerging technologies, and the challenges businesses and digital agencies face in an ever-evolving digital landscape.

We Checked 22 Million Company Records for Umbraco, and Oh, Boy

Issue No 133 • 03 November 2026

Sotiris and his team ran an Umbraco checker across 22 million company records to find out how many sites run Umbraco, what version, and whether they’re still alive. The result: about 25,000 verified sites, and a startling 39% still on v7 or v8. He digs into what that says about how we really upgrade.