Octagonal Plc provided unaudited trading update for the six months ended 30 September 2017 for its wholly owned subsidiary, Global Investment Strategy UK Limited (GIS). GIS recorded revenues of £3.35 million and profits of £1.6 million for the six months to 30 September 2017 compared with £2.85 million and £1.14 million, respectively, for the six months to 30 September 2016. This represents an increase of over 17.5% in revenue and 40% in net profit compared with the same period in 2016. The business continued to show increases in net margins from 40% to 47.5% over the comparable period.