Kate Winslet starred in Burberry's 'London in Love' campaign in February 2025, featuring a series of films inspired by British romantic comedies alongside Richard E Grant and other famous faces.

Kate Winslet became the global ambassador for Oslo Skin Lab in June 2025, promoting their premium collagen supplement, The Solution™. This partnership emphasizes her commitment to skincare from within.

Kate Winslet has been the Ambassador of Elegance for Longines, known for featuring in campaigns and collaborating on exclusive timepieces.

Kate Winslet was appointed as an ambassador for The King's Foundation in June 2025, supporting initiatives focused on sustainable communities and environmental conservation. The foundation expressed their excitement, stating, 'We’re delighted to welcome Kate Winslet as our newest King’s Foundation Ambassador.'