De La Rue plc is a British company headquartered in Basingstoke, England, that produces secure digital and physical protections for goods, trade, and identities in 140 countries. It sells to governments, central banks, and businesses. Its authentication division provides government revenue technology, brand protection, and ID security, such as polycarbonate data pages for passports. Its currency division designs and produces banknotes, secure polymer substrate and banknote security features. This includes security holograms, security threads and security printed products for central banks and currency issuing authorities. It is listed on the London Stock Exchange. It is the world's largest commercial printer of banknotes. Wikipedia