ator Bet365 has announced operating profit of £406.4m for the 52-week period ended March 29 2015, up 88% year-on-year.

The figures, which were sent to Gambling Insider, showed that amounts wagered went up 31% to £34.68bn, while turnover went up 15% to £1.47bn.

Profit for Bet365 Group Ltd was £327.6m, which includes operations from its Barclays Premier League football club Stoke City, up 87%.

The group donated £10m to the Bet365 Foundation during the period, compared to a donation of £105.5m for the previous year.

Directors of the group paid a total dividend of £75m during the period, down from £95m.

Bet365 joint chief executive Denise Coates CBE said: “On behalf of the board I am pleased to report that the group continued to experience significant growth during the period, with overall revenues from the group’s gambling activities increasing by 15%.”