LinkedIn ad revenue revealed to be US$51m in IPO filing

The company, in a filing, yesterday said, "We believe that our members and the enterprises and professional organisations that use our platform are only beginning to leverage the power and potential of our network and its underlying database of professional information."

In the nine months ended 30 September 2010, net revenue increased by 100 per cent to US$161.4 million and pre-tax income swung from US$3 million in the red to US$12.2 million in the black.

Marketing solutions, which includes its revenue from advertising on the site, generated US$51.3 million in the nine months ended 30 September 2010, up from US$23.8 million in the same period a year earlier.

Recruitment is the dominant income stream, generating sales of US$65.9 million, while premium subscriptions pulled in US$44.1 million.

The LinkedIn website launched in 2003 and claims to now have more than 90 million members worldwide, with one new member joining every second. It is available in over 200 countries, with 40 per cent of its members in the US.

In September last year it appointed former CBS Outdoor International chief executive, Clive Punter, to the newly created role of managing director of marketing solutions across EMEA.