Certification: Royal Warrant, ISO 9001, ISO 14001, RISQS

 Royal Warrant

Frimstone was granted a Royal Warrant for the supply of crushed and graded aggregates on the 1st of January 1995. We are proud to have supplied Her Majesty Queen Elizabeth II at the Sandringham Estate and to hold her Warrant and support the Royal Family.


ISOThe Company also hold the British Standard Institute (BSI) ISO 9001 Quality Management System and ISO 14001 Environmental Management System. These are important and underpin our quarrying and recycling activities and ensure that we have good systems and processes to deliver high quality materials that satisfy our Customers.


RISQSFrimstone has a heritage of supplying Network Rail; we have operated several rail sidings from which we import virgin and recycled Type 1 aggregates. We have held the Railway Industry Supplier Qualification Scheme (RISQS) since 2011.