Halma buys hazard detection firm E2S for £230m

Dec 5, 2025

Safety equipment and technology group Halma Plc    has announced the £230m acquisition of E2S Group, a London-based manufacturer of industrial hazard detection devices. 
E2S, which has operations in the UK, US and France, makes notification, initiation and detection devices mainly used in highly hazardous environments in heavy industries and complex manufacturing. It is estimated to generate revenues of £44m in 2025.

The firm will sit within Halma's Safety Sector division and supports its ongoing expansion into the fire detection and alarm systems market.

Halma said it is acquiring E2S for £230m in cash on a debt-free basis, which will be funded by its existing facilities.

"We are excited that E2S is joining Halma," said Halma's chief executive Marc Ronchetti.

"The company brings new capabilities in growing, highly regulated industrial safety markets which are critical in protecting human life, and solutions and technologies which are complementary to our existing strengths in fire safety and gas detection. We look forward to supporting their continued development as they continue to scale their business globally."

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