The company carries out qualitative research, and works for clients including Coca-Cola, Kimberly-Clark, Bacardi Martini, Unilever and Vodafone.
Sadek Wynberg was founded in 1994 and has 28 employees, with gross revenues for 2002 of 拢5.6m.
Last week, WPP said it had bought a 40% stake in Lisbon-based Marktest Investimentos as it expands the market research arm Kantar Media Research. The company is strengthening its non-advertising assets, although it is still investing in advertising agencies.
Earlier this year, WPP bought the Zurich-based advertising agency Guye Benker as part of its Young & Rubicam network, as well as completing the acquisition of HHCL & Partners.
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