Kingfisher launches shared data platform Core IQ in France as part of growing retail media play

14 Oct 2025
Image © Kingfisher

DIY conglomerate Kingfisher has launched a data sharing platform across two of its French companies in a move that extends the reach of its retail media offering and, says the company, makes data a key customer satisfaction lever for the company.

Developed by Kingfisher in partnership with Converteo, the Core IQ platform offers first and third-party vendors more autonomous and real-time access to precise data, store by store and product by product, relating to the performance of their products. This includes a wide range of data relating to turnover, sales transactions, stock levels and others. 

This enables vendors to quickly identify levers to optimise their sales strategy, from assortment to product development while optimising stock management and investing in retail media opportunities. The platform offers both foundational insights and premium analytics, enabling vendors to choose the level of data access that best suits their needs.

Castorama and Brico Dépôt are the first companies in the Group to offer this service to vendors.

Developed in less than six months with Converteo, using the best technologies, the platform facilitates decision alignment, promotes a common vision, and allows quick adaptation to market needs and new opportunities.

More than 900 users are already actively using the data shared via the platform, in addition to the wider retail media solutions offered by Kingfisher brands in France. After the pilot phase in Castorama and Brico Dépôt France, Core IQ will launch in other Kingfisher brands, including B&Q and Screwfix in the UK. This gradual deployment will eventually see the platform become a one-stop shop for data and retail media, where all data will be accessible in one place.

Gwénola Coicaud, Director of Retail Media at Kingfisher says: “Thanks to Core IQ, we are transforming our data into a key performance lever for our vendors, to offer an enriched customer experience, both in-store and online. This will strengthen our collaboration with our vendors, and create a virtuous circle of growth for both their brands and ours, while further improving customer satisfaction.”

Guilhem Bodin, Partner at Converteo adds: “We are proud to have supported Kingfisher in developing Core IQ. This lays the foundations for an evolving data ecosystem that can gradually expand to become a hub for our vendors’ commercial performance. Core IQ will enable Kingfisher and its banners to more quickly adapt to the future needs of its vendors, paving the way for new synergies between data and retail media.”

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