SIG plc

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, and is a constituent of the FTSE 250 Index.

SIG plc
Traded asLSE: SHI
IndustryConstruction Products, off site manufacturing
HeadquartersSheffield, South Yorkshire, United Kingdom
Key people
Les Tench, Chairman
Meinie Oldersma, CEO
Revenue£2,683.2 million (2018)[1]
£90.6 million (2018)[1]
£17.9 million (2018)[1]


The company was founded by Ernest Adsetts in 1957 Sheffield as Sheffield Insulations Limited.[2] His son Norman Adsetts joined the firm in 1966, becoming managing director in 1970, and then chairman in 1985.[3] The company was first listed on the London Stock Exchange in 1989, when it became Sheffield Insulations Group plc.[2] The company expanded rapidly in the start of the 1990s, acquiring Ceilings Distribution Ltd, a supplier in the United Kingdom of ceilings products, in 1990, Freeman Group, a large British insulation distributor, and Isokauf in Germany in 1994 and Komfort Systems, a supplier of partition systems for offices, in 1995.[2]

The company was renamed SIG plc in 1995.[3] Norman Adsetts retired the following year.[3] Acquisitions in the end of the 1990s included WKT and Golinski of Germany in 1996, and Asphaltic, a major roofing supplier in the United Kingdom, CP Supplies and Branton Industries and Distribution International in the United States in 1997.[2] In 2000, the company bought Nouwens Group in the Netherlands, and in 2001, it bought Capco, suppliers of interiors, roofing and insulation in the United Kingdom and Ireland. This was followed in 2002 by the acquisition of AM Proos and Clydesdale Roofing Supplies.[2] In 2002, David Williams was appointed Chief Executive.[2]

In 2004, the company bought Orion Trent Insulation, another distributor for the United Kingdom,[4] with Leaderflush Shapland (formerly LS Group), a manufacturer of door sets for hospitals following in 2005.[5] It bought Wodan and WIG in Poland, and exited the United States in 2006.[2] The acquisition of Lariviere came in 2007, allowing the company to enter the French roofing market.[6]

Also, in 2007, General Fixings, based in Bristol, was acquired .[7] Also in 2007, SIG moved into the refractory business, by purchasing MacGregor and Moir, one of the United Kingdom and Europe's leading specialists of high temperature insulation and refractory solutions.[8] In 2008 it bought Air Trade Centre International B.V., a Dutch air conditioning business.[9] Also in 2008, David Williams retired, with Chris Davies taking his place as Chief Executive.[10] In March 2013, Stuart Mitchell was appointed as CEO[11] and, in March 2017, Meinie Oldersma took over the role.[12]


The company serves a wide range of markets across the building, construction, off site manufacturing and process sectors, from premises throughout Europe and the Middle East.[13]


  1. "Preliminary Results 2018" (PDF). Sig plc. Retrieved 20 March 2019.
  2. "- SIG plc". Retrieved 3 April 2015.
  3. Sheffield People: Sir Norman Adsetts
  4. "Orion Trent Holdings". Retrieved 3 April 2015.
  5. Acquisitive SIG surges on strong first half
  6. "NewRatings". Retrieved 3 April 2015.
  7. In Business South West
  8. MacGregor and Moir
  9. "". Retrieved 3 April 2015.
  10. "- SIG plc". Retrieved 3 April 2015.
  11. Where are they now? Stuart Mitchell, Sainsburys and Wilkinson The Grocer, 1 December 2012
  12. "SIG to sell assets, names new CEO to lead turnaround". Reuters. 14 March 2017. Retrieved 29 March 2018.
  13. "Insulation firm SIG-ning in". Retrieved 3 April 2015.
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