The site that streams popular shows such as 'Family Guy' and 'Desperate Housewives' is one of the most popular video-on-demand sites in the US.
A Wall Street flotation is potentially lucrative for its owners, which includes News Corporation, Walt Disney and NBC Universal.
In July, Hulu generated video ad impressions of 783 million, ahead of Microsoft, according to Comscore.
However, in terms of unique users the data reveales that Hulu boasts only 28.45 million unique viewers, behind rival You Tube, which has 143.2 million unique viewers, according to Comscore.
In April, Hulu's chief executive Jason Kilar said it had been profitable for two quarters, generating $100 million revenue in 2009. Kilar said another $100 million was expected for the first half of 2010.
Hulu, which launched in 2007, was expected to launch in the UK last year. However, it delayed its plans due to difficulty in obtaining streaming rights, according to industry insiders.
On the company's website it has said it is still committed to "making its content available worldwide. To do so, we must work through a number of legal and business issues, including obtaining international streaming rights."
The service charges subscribers $9.99 (£6.58) for a more comprehensive offering, which includes access to entire series of programming, including hits such as 'Glee' and the US version of 'The Office.'
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