Halma plc

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Halma plc
Public limited company
Traded asLSEHLMA
HeadquartersAmersham, Buckinghamshire, UK
Key people
Paul Walker, (Chairman)
Andrew Williams (CEO)
Revenue£1,076.2 million (2018)[1]
£223.7 million (2018)[1]
£154.2 million (2018)[1]

Halma plc is a group of technology companies that makes products for hazard detection and life protection. It is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.


The company was established in 1894 in Ceylon as The Nahalma Tea Estate Company Limited.[2] It switched to rubber production in 1937 and became The Nahalma Rubber Estate Company Limited.[2] During the early 1950s the company's rubber estates were nationalised by the Sri-Lankan government, and in 1956 the company became Halma Investments Limited, thereby severing its connections with both tea and rubber and becoming an investment and industrial holding company.[2]

In the early 1970s the company began a sequence of acquisitions in the mechanical, electrical and electronic engineering sectors. The company was renamed Halma Limited in 1973 and registered as a public limited company in 1981, becoming Halma plc.[2] In 1984, the company acquired Apollo Fire Detectors, the largest manufacturer of smoke detectors in the UK.[3]


The company is organised as follows:[4]

  • Process safety
  • Infrastructure safety
  • Medical
  • Environmental & Analysis


  1. ^ a b c "Annual Report 2018" (PDF). Halma. Retrieved 3 March 2019.
  2. ^ a b c d "Halma history – Halma plc". halma.com. Retrieved 28 March 2015.
  3. ^ "Fire Detection Solutions, Apollo Fire Detectors Ltd - Our History". www.apollo-fire.co.uk. Retrieved 2016-06-30.
  4. ^ "Sectors – Halma plc". halma.com. Retrieved 28 March 2015.

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