

Mark Morris
11 Mar 2026
Angel Guard has officially become a brand of Thomas Dudley Limited
Angel Guard becomes a brand of Thomas Dudley
We’re thrilled to announce that Angel Guard has officially become a brand of Thomas Dudley - marking an incredibly exciting step forward in our mission to deliver world‑class, innovative solutions to our customers.
Angel Guard is a pioneering leader in digital water-safety technology, offering the world’s first patented real‑time biofilm monitoring system, along with intelligent cloud‑based risk analysis through the Seraph Protect portal. The Clarence O‑1 monitoring system delivers high‑frequency insights into temperatures, flow events and biofilm development, helping organisations safeguard their buildings with unmatched accuracy and confidence.
By welcoming Angel Guard into the Thomas Dudley family, we are significantly expanding the services and capabilities we can offer - moving beyond mechanical solutions into a new era of smart, data‑driven building safety and compliance.
This fantastic addition strengthens our commitment to supporting customers with solutions that save time, reduce risk, cut operational costs and drive higher compliance across their estates. From water safety to digital transformation, the combined expertise of Thomas Dudley and Angel Guard opens the door to a powerful, future‑ready offering.
You can find our more about Thomas Dudley here: www.thomasdudley.co.uk