Russell Sage is the eponymous interior design studio founded by the British designer in 2005. Located in southwest London, the firm employs a team of 40 design staff that work from its Belgravia practice, including space planners, interior designers and FF&E specialists. The company's area of expertise is in developing luxury residential and hospitality interiors across the UK and Europe, including hotels, restaurants and bars.

Pictured above is Teatulia, a central London tea shop and bar that features Bangladesh-inspired interiors.