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58 Great Sutton Street
London
EC1V 0DG
Tel: +44 (0)20 7566 3197
MRS Membership
Company Partner
MRS Accreditations
MRS Fair Data Accreditation
Awards
Young Researcher of the Year (Research Live Award 2023)
Business-to-Business Research (MRS/BIG Award 2022)
Young Researcher of the Year (Research Live Award 2022)
New Consumer Insights (MRS Award 2022)
International Research (MRS Award 2021)
Agency of the Year (Research Live Award 2021)
Young Researcher of the Year (Research Live Award 2021)
Opinium
Company Profile
Opinium is an award winning strategic insight agency built for a world of uncertainty and complexity, grounded in rigorous, evidence-based understanding. We deliver insights with impact that drive clarity, action, and meaningful change, empowering our clients to make the decisions that matter.
Our specialisms
Our people
Senior Contacts
James Endersby (Chief Executive)
Breakdown of Personnel
Admin/Support staff: 4
Executive/Research staff: 89
Non-research: 6
Data processing: 10
Total Number of Employees: 51 to 100
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©2026 The Market Research Society,
15 Northburgh Street, London EC1V 0JR
Tel: +44 (0)20 7490 4911 Email: info@mrs.org.uk
The Market Research Society (MRS) is the world's leading research association. For all those who need, generate or interpret the evidence for making good business and policy decisions. Click here to find out more about us.
©2026 The Market Research Society,
15 Northburgh Street, London EC1V 0JR
Tel: +44 (0)20 7490 4911 Email: info@mrs.org.uk