By 1989, Eurotherm International controlled a network of subsidiaries and agents in the UK, USA, Switzerland, Germany, France, Hong Kong, Italy, Japan, Australia, Holland, Belgium, Scandinavia, Spain, Korea, India and Ireland.

In 2009 Eurotherm, along with the Invensys businesses Foxboro, IMServ Europe Ltd, Skelta, Triconex and Wonderware, formed Invensys Operations Management, a provider of automation and information technologies, systems, software, services and consulting on manufacturing and infrastructure.

In 2022, Watlow acquired Eurotherm from Schneider Electric, expanding the company’s presence in Europe and product offering in sophisticated thermal controls.

[4] In the UK, design and assembly is carried out at the company's sites in Worthing, West Sussex.

Eurotherm now manufacture their products in Worthing, UK; Milan, Italy and Tychy, Poland.