Financial results for two of Europe's largest electronic bond trading platforms have shown contrasting fortunes in profitability in a sector undergoing big change.

MarketAxess Europe, which allows dealers and investors to trade corporate bonds electronically, saw its revenues and other operating income rise by roughly 87% to £27.3 million in 2015, according to its latest accounts filed with Companies House. Pre-tax profits rose to £13.8 million from £3 million as a result.