Hitwise helps clients target their online ad spend more effectively by monitoring web site performance. The intelligence company has more than 1,200 clients across numerous sectors including retail and financial services, such as Ikea, eBay and HSBC.
Hitwise chief executive Andrew Walsh said: 'Over the past 10 years, Hitwise has developed a truly unique digital intelligence service. We will now be able to accelerate Hitwise's growth and profitability through access to Experian's wider pool of data, tools and clients, while more quickly expanding our global footprint.'
Experian chief executive Don Robert said: 'Hitwise, which is a rapidly growing, successful business, brings new, unique data to Experian and complements the existing data, tools and expertise that we already offer to clients in other areas, such as research services and e-mail distribution.'