Sponsoring the hit TV show 'Britain's Got Talent' helped Moneysupermarket.com maintain its status as one of the country's best known price comparison websites to post a sharp rise in profits in the half year to 30 June.Pre-tax profits climbed to £8.8m from £2m over the same period the previous year on revenues that rose to £91.7m from £71.6m. The company announced a special dividend of £20m, or 3.93p a share."We have seen strong trading momentum through the period and delivered double digit growth in both revenue and profits, driven by our investment in our brand and technology," said chief executive Peter Plumb. "MoneySupermarket.com is the UK's leading price comparison site and our continued success comes from our proven strategy and our determination to help every household make the most of its money."Trading in July has been in line with expectations, the company said. "Looking ahead, while the outlook for the economy remains uncertain, we are confident that our markets will continue to grow," said Plumb. "More and more consumers are going online to find the best deals and the unrivalled strength and breadth of our offer makes us well-placed to make the most of those opportunities."At 11.05am shares in Moneysupermarket.com were up by 8.7% at 121.6p.---RG