The top 10 companies in global market research are:
1.Mielsen company (Nielsen market research company, a subsidiary of VNU group in the Netherlands), with a total turnover of 3 billion euros in 2007;
2.IMS Health (American Emmy Award Market Research Company), with total business volume of1.41.20 million euros;
3.Taylor Nelson Sofres (TNS Market Research Company, UK), with a total business of 65.438+35 billion euros;
4.GfK (German GfK Market Research Company), with total business165438+62 million euros;
5.Kantar Group (Kanta Market Research Company, a subsidiary of British WPP Advertising Media Group), with total business volume of165438+35 million euros;
6. Ipsos (France Ipsos Market Research Company), with a total business of 927 million euros;
7. Information resources (American IR Market Research Company), with a total business of 557 million euros (2006);
8.Synobate (Synobate Market Research Company, a subsidiary of British Hinkis Group), with a total business of 544 million euros;
9.Westat (American Vistat Market Research Company), with a total business of 297 million euros;
10. The total business of Abichuang (American Abichuang Market Research Company) is 2140,000 euros.
Several good domestic market research companies:
AC Nelson
GFK
Huatong Luo Ming
Ipsos
Twelve o'clock in the evening
That's all I know
As for the knowledge about these aspects: first, you can refer to books with special market research; Second, it is also related to statistics, psychology or marketing; You can check some recruitment information on the websites of these big companies to see what they need, so that you can or can need what kind of knowledge.
Answer finished ~!