- Synovate France
- Caberet
- Ipsos Mori UK
- Ipsos ASI Canada
- Kantar Operations
- Insitas Research
- Insight Research Group
- Direct Dialogue
- Doug Maclay
- Forza Foods Ltd
- YouGov UK Research
- British Red Cross
- London Economics
- McNeil Nutritionals
- Brass
- Catalyst Marketing Communications Ltd
- MRUK Research
- Firefish Ltd
- Nielsen Research Group International
- Nielsen Japan
- Leapfrog Research and Planning
