The company has raised $400m from an undisclosed mix of new and existing public and private investors, compared to $950m raised by peer Groupon earlier this year.

LivingSocial, a US-based discount coupon company in which online retailer Amazon invested $175m in December, has taken its total raised to more than $600m.

The company said it had raised $400m from an undisclosed mix of new and existing public and private investors, compared to $950m raised by peer Groupon earlier this year.

The round values LivingSocial at about $2bn, according to press reports, and news provider Fortune said mutual fund manager T Rowe Price and venture capital firm Institutional…