SIG PLC operates as a specialist distributor of building products across Europe, focusing on roofing and interior solutions. The company supplies a range of products, including insulation, ceiling tiles, roofing materials, and construction accessories, serving over 75,000 customers in the construction and renovation sectors. SIG operates in the UK, France, Germany, Ireland, Poland, and the Benelux region, leveraging established national brands and its own SIG brand to connect suppliers with a diverse customer base in both commercial and residential markets.