UK companies and initiatives can now seek money for their creative or product-based ideas using the platform, with 5% of any successful pledges going to Kickstarter.
Projects are built by clicking on the "Start a new project" button on the Kickstarter website, and then selecting the UK as the chosen country.
The three-year-old Kickstarter has already generated some huge sums for new companies in North America, including the record of $10 million (£6,433,000) for the Pebble smartwatch this year.
Since its launch in 2009, more than 70,000 projects have been posted on Kickstarter, with just over 40% successful in their funding drives.
The online platform works by allowing entrepreneurs, established or not, to post or pitch for their idea on Kickstarter and then make an impassioned plea for donations from the community.
Users can pledge as much as they want, including amounts totalling up to $10,000 (£6,433), depending on how much they believe in the idea.
Instead of an equity share as in traditional investment, they are offered a reward on a sliding scale depending on their pledge, often including some exclusive items for the larger donations.
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The mechanics for the UK Kickstarter are exactly the same as for the US. However, backers of UK projects will enter their payment information directly through Kickstarter, as the site was unable to complete a deal with Amazon Payments, which it uses in the US.
Just like in the US, Kickstarter will make money by charging a 5% fee to successfully funded projects (unsuccessful ones won't be charged anything). Pledges of less than £10 will be charged at 5% + 5p, while pledges of £10 or greater incur 3% plus 20p.
UK creators are able to add international shipping costs to their pledges, or limit rewards to just domestic backers if they don't want the cost of sending rewards to overseas backers.
In a blog post announce the UK launch earlier this month, Kickstarter said: "We're really excited! This is the product of months of work by our team, and we want to thank them for their hard work.
"Thanks as well to all the UK creators who have patiently waited for this day. We can't wait to start backing your projects."