Diploma plc

Public (LSE: DPLM)
Industry Technical products and services
Founded 1931
Headquarters London, United Kingdom
Key people
John Rennocks, Chairman
Bruce Thompson, Group Managing Director
Revenue £333.8 million (2015)[1]
£52.9 million (2015)[1]
£37.4 million (2015)[1]
Website www.diplomaplc.com

Diploma is a leading British-based business supplying specialised technical products and services. It is a constituent of the FTSE 250 Index.


The company, which was founded in 1931, was first listed on the London Stock Exchange in 1960 and until the 1980s was a market leader in electronic component distribution, building products and special steels.[2] The electronic component distribution business (SEI Macro) was sold in 1999,[3] the building products business (Robert Lee) was sold in 2000[4] and the special steels business (Henry Whitham) was sold in 2001.[5]


The company now has operations organised as follows:[6]


  1. 1 2 3 "Annual Report 2015" (PDF). Diploma. Retrieved 3 April 2016.
  2. Diploma: Company History
  3. SEI Macro sold to Avnet in £37.5m deal Electronics Weekly, 3 September 1999
  4. "About Robert Lee Distribution". rlee.co.uk. Retrieved 28 March 2015.
  5. Diploma sells Henry Whitham for 11.1 mln stg AFX UK Focus, 20 March 2001
  6. "At a glance". Diploma plc. Retrieved 3 April 2016.

External links

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