UMBERELLA SYSTEMS LIMITED Company number 07468780 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office Address1 St Georges Mews, Silver Street, Whitby, United Kingdom, YO21 3BX PostcodeYO21 3BX Companies at this postcode 53 Average house price in YO21 3BX £247,000 (18 sales) Map