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Northstone Materials Limited is a private limited company, incorporated on 28 August 1941, with its registered office in Newtownards. Companies House lists its business as quarrying of ornamental and building stone, limestone, gypsum, chalk and slate, operation of gravel and sand pits; mining of clays and kaolin and manufacture of concrete products for construction purposes.
Its latest accounts were filed on 2 January 2026.
Latest accounts are filed as a PDF at Companies House — no machine-readable financial data to chart. View accounts on Companies House ↗