Under the terms of the deal, Espotting will provide its paid listings throughout .
Espotting, which reported 67% growth in first quarter revenues in April 2004, will be providing two listings under the heading 'Sponsored Links' throughout The Sun's news pages, as well as across all channels, including sport, entertainment, movies, life and showbusiness column Bizarre.
Other deal highlights include "content solutions", which uses human editors to select the keywords that trigger ads that appear alongside the website's content.
News Group Digital, publisher of The Sun Online and its associated websites, generate 128m page impressions a month from 4.7m unique users.
David Roddick, News International digital sales director, said: "Espotting has vast experience in developing customised solutions for its partners and it was this experience that made it the right choice for The Sun."
The listing company's recent merger with FindWhat.com has created the largest independent performance-based marketing provider, delivering millions of targeted prospects to its clients each day.
"Our strategy has been to work with companies who are leaders in their field, and The Sun is one of the UK's most well-known brands," Sebastian Bishop, Espotting Media senior vice-president, said.
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