Tesco has begun the roll-out of the collaborative system, TescoLink, to 100 suppliers, which will allow them direct access to daily store reports to see how lines are selling. It will also use the online resource to show supplier performance to encourage improvement.
Asda, meanwhile, is rolling out a similar collaborative planning, forecasting and replenishment system.
Tesco plans for all 3,500 of its suppliers to be using its system by the end of the year. It is the first time that all its suppliers, regardless of size, can use one system. The reports are the same ones seen by Tesco's buyers and merchandisers, and suppliers who subscribe to Clubcard can access loyalty card information through the platform.
Contact details for stores and store managers can also be accessed, enabling any individual issues to be investigated by suppliers.
Meanwhile, Asda's drive to improve on-shelf availability will give its suppliers direct and on-demand links to consumer demand data.
In February, Sainsbury launched its own online platform, Marketmax, to allow suppliers to develop planograms remotely. Unilever was the first to sign up to the initiative, enabling it to view the entire range for its category.