MARSHMALLOW TECHNOLOGY LTD Company number 10473308 · Monitor this company Active Overview People 11 Financial Pay gap Control Charges Documents Analysis Location Related Registered office Address1st Floor The Featherstone Building, 66 City Road, London, England, EC1Y 1BD PostcodeEC1Y 1BD Companies at this postcode 10 Average house price in EC1Y 1BD £356,000 (3 sales) Map