Callender Howorth is a leading international luxury interior design studio, founded in 1997 by award-winning British designer Mark Howorth. With offices in London and projects spanning Paris, the French Riviera, New York, and Los Angeles, the studio has over 25 years of experience creating exceptional residences across the globe.

Specialising in high-end residential design, Callender Howorth is renowned for transforming homes into timeless, tailored spaces that reflect a refined lifestyle and the true art of luxury living.