Sainsbury's Nectar360: the retail media network for Sainsbury's and Argos, explained

Nectar is a coalition scheme, not a single-store card. Members collect and spend points at Sainsbury's and Argos and with more than 500 partner brands; in April 2026 Uber became its first ride-hailing partner (Nectar360, 9 April 2026). Nectar360 says it uses "transactional and lifestyle data" to reach 24 million customers (Nectar360). The network can therefore serve both grocery suppliers and general merchandise brands sold through Argos. A toy brand and a yoghurt brand can buy from the same team.

Second, Sainsbury's built its own platform. Pollen was "built in-house by Sainsbury's and Nectar360" and co-created with brands and agencies (Nectar360, 16 June 2025). It joins audience building, planning, activation, optimisation and measurement in one tool. Its UK rival Tesco Media rents its new self-serve layer from Kevel, and Ocado Ads uses Zitcha. Owning the tool gives Nectar360 control of the roadmap; it also means buyers learn a platform used by one retailer group.

Third, Nectar360 had its measurement audited. On 1 July 2026 it became the first UK retail media network to achieve IAB Europe's Retail Media Certification, after an audit by ABC (Nectar360, 1 July 2026). The scope matters. It covers display and video sold on Meta, Google DV360 and YouTube, not onsite or in-store media. A buyer can rely on audited definitions for offsite reporting, and should still ask how onsite numbers are calculated.

Onsite. Nectar360 manages retail media for the Sainsbury's and Argos websites and apps (Nectar360). It has not published a public format list; ask for current specifications.

In-store. Sainsbury's Live is a screen network built with Clear Channel. In September 2024 Nectar360 reported more than 550 full-motion screens, part of a plan for over 800 internal and front-of-store screens (Nectar360, 17 September 2024). The current count is n/d.

Offsite and TV. Display and video run on Meta, DV360 and YouTube. In November 2022 Channel 4 and Nectar360 launched addressable ads on Channel 4's streaming service using Sainsbury's shopping segments, with PepsiCo, McCain and L'Oréal as first testers (Nectar360, 17 November 2022).

Audiences come from Nectar purchases and, in Pollen, from generative AI tools that build segments through conversation (Nectar360 Pollen, accessed 9 November 2026). For the Channel 4 deal, the two companies matched data inside a clean room run by InfoSum, so neither side handed over raw records.

Data use draws public scrutiny in the UK. In December 2023 Sainsbury's chief executive Simon Roberts defended selling Nectar-based advertising, saying the platform works with "anonymised customer data" (Retail Gazette, 13 December 2023). The Information Commission, which replaced the Information Commissioner's Office on 30 September 2026, oversees such processing under UK GDPR (Data (Use and Access) Act 2025 (Commencement No. 9) Regulations 2026). A Competition and Markets Authority (CMA) review of loyalty pricing, published in November 2024, found no consumer-law concerns about how grocers collect and use data when shoppers join a scheme (Grocery Gazette, 27 November 2024).

Pollen reports through a multi-touch attribution model, so brands see the effect of each channel rather than only the last click. Nectar360 says early omnichannel campaigns delivered more than 2.5 times the incremental sales of single-channel ones (company claim, Nectar360, 23 June 2026). It also reports up to 10 times higher conversion from targeted activity (company claims, Nectar360, 23 June 2026). The IAB Europe certification adds audited definitions for offsite metrics; the retail media measurement standards page explains what such certification checks.

1. Contact your Nectar360 client team or your agency. Omnicom Media Group UK is a strategic beta partner for new products (Nectar360, 22 May 2025).
2. Ask for Pollen access. Onboarding was under way in June 2026; confirm which formats you can book yourself.
3. Build audiences from Nectar data, by category buyers, lapsed buyers or Argos shoppers.
4. Combine channels. Pair onsite and in-store with certified offsite display and video.
5. Agree measurement first. Confirm which metrics fall under the certification and how the attribution model credits each channel.

It suits:

• FMCG brands stocked by Sainsbury's;
• general merchandise brands sold through Argos;
• buyers who want audited offsite metrics.

It suits less:

• brands with little Sainsbury's or Argos distribution;
• advertisers who need certified onsite or in-store reporting today;
• teams that prefer one shared tool across many retailers.

• Nectar360 revenue. We could not read Sainsbury's results documents by script and found no disclosed figure elsewhere (Sainsbury's Annual Report 2026 page).
• The date Nectar360 was formed.
• The current number of Sainsbury's Live screens.
• A public list of onsite formats, prices or minimum spend.

1. Nectar360, "About Us" (accessed 9 November 2026). https://www.nectar360.co.uk/about-us/
2. Nectar360, "Nectar360 Unveils Game Changing Unified Retail Media Platform" (16 June 2025). https://www.nectar360.co.uk/news/nectar360-pollen/
3. Nectar360, "Nectar360 Pollen delivers strong early results for brands" (23 June 2026). https://www.nectar360.co.uk/news/nectar360-pollen-delivers-strong-early-results-for-brands/
4. Nectar360, "Nectar360 First UK Retail Media Network to Achieve IAB Europe Certification" (1 July 2026). https://www.nectar360.co.uk/news/iab-europe-retail-media-certification/
5. Nectar360, "Channel 4 and Nectar360 sign pioneering data partnership" (17 November 2022). https://www.nectar360.co.uk/news/channel-4-nectar360-sign-pioneering-data-partnership/
6. Nectar360, "Expanding Sainsbury's Internal Digital Screen Network" (17 September 2024). https://www.nectar360.co.uk/blog/innovating-retail-expanding-sainsburys-internal-digital-screen-network/
7. Nectar360, "Nectar360 launches digital trading platform" (8 September 2022). https://www.nectar360.co.uk/news/nectar360-launches-digital-trading-platform/
8. Nectar360, "Nectar360 & Omnicom Media Group UK expand strategic partnership" (22 May 2025). https://www.nectar360.co.uk/news/omnicom-strategic-partnership/
9. Nectar360, "Nectar members can now turn their points into Uber rides or Uber Eats orders" (9 April 2026). https://www.nectar360.co.uk/news/uber-and-uber-eats-nectar-loyalty/
10. Nectar360, "Nectar360 Pollen" product page (accessed 9 November 2026). https://www.nectar360.co.uk/nectar360-pollen/