Dunnhumby
| Formerly | 
 | 
|---|---|
| Company type | Private (subsidiary of Tesco) | 
| Industry | Marketing | 
| Founded | 24 May 1989 | 
| Headquarters | Hammersmith, London, England, United Kingdom | 
| Number of locations | 50 offices in 30+ countries | 
| Area served | Worldwide | 
| Key people | Josh Bottomley (CEO; July 2023–present) | 
| Products | Tesco Clubcard, among others | 
| Services | 
 | 
| Revenue | £362.6m (2022) | 
| £32.1m (2022) | |
| Total assets | £247m (2022) | 
| Number of employees | 2,308 (2022) | 
| Parent | Tesco | 
| Subsidiaries | KSS Retail, BzzAgent, Sociomantic | 
| Website | www | 
Dunnhumby Limited (stylized in all lowercase) is a global customer data science company.