Asos has posted a jump in third-quarter revenues as it recorded strong growth in its domestic UK market and overseas.

The fashion etailer said total retail sales advanced 22% to £823.9m on a reported basis in the four months to June 30, buoyed by a 23% spike in the UK, where it raked in £288m.

Sales jumped 31% to £257.4m across its European markets, while its US operations grew 15% to £108.1m.

Asos said gross margins improved “ahead of plan” by 130bps during the period, while active customer numbers swelled 20%. Conversion rates were up 10bps.

The pureplay business, which last week named former ITV boss Adam Crozier as its new chairman, said it expected retail sales to increase “towards the lower end” of the 25% to 30% range it had guided for the full year.

But pre-tax profit is expected to be “in line with consensus”.

Asos boss Nick Beighton said: “I am pleased with the way the business has traded over the last four months and we are on track with our plans for the year.

“We delivered good sales growth, particularly in the UK, better than planned gross margin alongside significant progress on our infrastructure investments.”

Beighton added that Asos’s fourth quarter had “started well” and said the business was “confident of delivering another year of strong growth”.