Palm oil companies, which have faced criticism in recent years for widespread deforestation, said on Monday that ensuring sustainability across the supply chain was the new business norm as scrutiny on responsibly produced palm oil mounts.

In an online conference, plantation companies with estates in top producers Indonesia and Malaysia said supply chain traceability, and policies surrounding no deforestation, no planting on peatland and no exploitation were now a standard requirement from major global buyers such as Nestlé and Unilever...