The Export Adviser toolkit has been put together by the search giant, which is hosting the , alongside HSBC, Royal Mail, UK Trade and Investment, the Institute of Export and translation specialist Applied Language Solutions.
It is aimed at businesses which are interested in finding overseas markets to sell into.
The application created by Google shows them a map highlighting the countries where Google search queries for the kind of products they sell are popular.
Also highlighted will be the ability to buy keyword advertising in those markets through Google's AdWords system.
The site offers advice on exporting and marketing and discounts on services provided by the backers, such as delivery fulfilment from Royal Mail, cross-border payments from HSBC and translation services from ALS.
Lord Davies of Abersoch, minister for trade and investment, said: "UKTI is proud to work with Google to provide real help for businesses looking to export.
"There is a world of business opportunities out there, and they're just a click away."
Dan Cobley, marketing director at Google UK, said: "The fantastic thing about the web is that anyone with a computer and an internet connection can tap into a global market from day one, opening up new revenue streams for their business."
Google and Royal Mail have already linked up this year to help small businesses. The pair sponsor a marketing advice website called