Private company

SIG plc

Logo: SIG plc, PD, via Wikipedia⁴

British company

SIG plc is a British-based international supplier of insulation, roofing, commercial interiors and specialist construction products. It is listed on the London Stock Exchange.² It was founded by Ernest Adsetts.¹ Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1957Founded¹

HeadquartersSheffield¹
Websitewww.sigplc.com
Legal formpublic limited company¹
Listed onLondon Stock Exchange¹
LEI213800VDC1BKJEZ8PV53³
StatusActive³
LEI statusIssued and current³
Registered addressADSETTS HOUSE, S9 1XH Sheffield, United Kingdom³
Registered withCompanies House, 00998314³

See how the biggest companies compare on our leaderboards

Sheffield Insulations, Hillsborough Barracks, Sheffield - geograph.org.uk - 1103541 — Photo: Terry Robinson, CC BY-SA 2.0, via Wikimedia Commons⁵

SIG plc is a British-based international supplier of insulation, roofing, commercial interiors and specialist construction products. It is listed on the London Stock Exchange.²

Corporate structure

SIG plc sits at the top of its group. 3 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

SIG plc Sheffield, United Kingdom
- S.I.G. FRANCE Subsidiary · Malakoff, France
- SIG TRADING LIMITED Subsidiary · Sheffield, United Kingdom

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

The story

Founded by Ernest Adsetts in 1957.¹

Leadership

Who has led SIG plc, and when. Pick a name to see everywhere that person has worked.

FounderErnest Adsetts¹

Timeline

1957Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataSIG plc on Wikidata
2
WikipediaSIG plc on Wikipedia
3
GLEIFSIG plc LEI record (213800VDC1BKJEZ8PV53)
4
Wikimedia CommonsSIG plc logo by SIG plc, PD
5
Wikimedia CommonsSIG plc photo by Terry Robinson, CC BY-SA 2.0