SigmaRoc PLC is a UK-headquartered quarried materials group focused on lime, limestone and related industrial minerals, as well as aggregates and other essential construction materials. Listed on London’s AIM, the company operates a portfolio of quarries, lime kilns and processing facilities across the UK, the Channel Islands and Northern Europe.
Its products include quicklime, hydrated lime, limestone fillers and aggregates used in infrastructure and building, and in industrial applications such as steelmaking, chemicals, environmental remediation, water treatment and flue-gas cleaning. SigmaRoc’s operations emphasize local supply, vertical integration and logistics through ports and regional hubs to serve construction and industrial customers efficiently.
The group pursues operational efficiency and emissions reduction in lime and limestone processing, including initiatives in energy efficiency, alternative fuels and carbon capture partnerships, reflecting the sector’s transition toward lower-carbon production.