Top 5 Market research companies in United States
This curated ranking covers the 5 largest market research companies in United States, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Nielsen Corporation, Forrester Research and Appinio lead the list with a combined estimated audience of 280,287 people. Across all 5 entries the average audience size is 56,081, and the largest, Nielsen Corporation, reaches around 207,073 people in United States. Audience size is the estimated number of unique people in United States who actively engage with each market research company, derived from search demand signals. Rankings reflect search-behavior signals collected across United States and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Nielsen Corporation |
207,073 | 30.7% | Market research company | Business & Career |
| 2 |  Forrester Research |
69,345 | 36.8% | Market research company | Business & Career |
| 3 |  Appinio |
3,869 | 5.0% | Market research company | Business & Career |
| 4 |  Survey Junkie |
79 | 100.0% | Market research company | Business & Career |
| 5 |  International Data Corporation |
42 | 6.2% | Market research company | Business & Career |
Frequently asked questions
How is this Top 5 list compiled?
Rascasse aggregates anonymized search-behavior signals across United States and ranks each market research company by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest market research company in United States?
Nielsen Corporation currently leads with an estimated audience of 207,073 people in United States.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across United States. Lists below 5 entries are not published. See methodology for full details.