- Australia
- Belgium
- Canada
- France
- Germany
- India
- Turkey
- United Kingdom
- United States
- References
{{pp-semi|small=yes}}This is a list of marketing research firms. In the case of research groups or conglomerates the location of the headquarters of the parent entity is given. Australia- OzTAM
- Roy Morgan Research
BelgiumCanada- Abacus Data
- Léger Marketing
- Print Measurement Bureau
FranceGermanyIndia- IMRB International
- RNB Research
TurkeyUnited Kingdom- Datamonitor
- Dunnhumby
- Euromoney
- Ipsos MORI
- Kantar Group
- Mintel
- NUS Services
- Progressive Digital Media
- Research International
- Survata
- Survation
- Synovate
- Taylor Nelson Sofres (part of the Kantar Group)
- YouGov
United States- Arbitron
- Decision Analyst
- Forrester Research
- Frost & Sullivan
- Gartner Group
- Hall & Partners
- Harris Interactive
- IMS Health
- International Data Corporation
- IRI
- J. D. Power and Associates
- Medimix International
- NPD Group
- Nielsen
- Off Madison Ave
- Rockbridge Associates, Inc.
- SIS International Research
- StrategyOne
- Survata
References{{Companies by industry}} 2 : Lists of service companies|Market research |