Private company

Speirs and Major Associates

UK lighting design practice based in London1

Speirs Major Light Architecture (SMLA) (formerly Speirs + Major, Speirs and Major Associates) is a UK lighting design practice founded by Jonathan Speirs (1958-2012) and Mark Major in 1993. The practice is noted for its illumination of many prominent buildings, including Barajas International Airport, 30 St Mary Axe (‘The Gherkin’), the Millennium Dome and the interior of St.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1992Founded1

Speirs Major Light Architecture (SMLA) (formerly Speirs + Major, Speirs and Major Associates) is a UK lighting design practice founded by Jonathan Speirs (1958-2012) and Mark Major in 1993. The practice is noted for its illumination of many prominent buildings, including Barajas International Airport, 30 St Mary Axe (‘The Gherkin’), the Millennium Dome and the interior of St.2

Timeline

  1. 1992Founded Founded1

Sources

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