Sumo Resources Plc announced earnings results for the full year ended December 31, 2019. For the full year, the company announced sales was GBP 143,922 compared to GBP 166,272 a year ago. Operating loss was GBP 72,311 compared to GBP 213,068 a year ago. Net loss was GBP 60,121 compared to GBP 230,592 a year ago.