Iglo, owner of the Birds Eye brand in Europe, was bought by present owner Permira from Unilever for €1.7bn six years ago.
50% stake
If the deal goes ahead, BC Partners and Blackstone will both a 50% stake in the business.
Iglo produces and markets premium branded frozen food products in 11 countries and distribute across a number of other countries in central and eastern Europe.
A spokeswoman for Iglo told FoodManufacture.co.uk: “We are working with Blackstone.” But she refused to confirm or deny press reports of a joint bid for Iglo, which valued the group at $3bn.