Guillaume Alan designs spaces where architecture, interior design and landscape come together as a single, coherent vision.

Founded in Paris in 1998 and later expanded to London, the studio works internationally on residential and hospitality projects.

Each project begins with a clear intention: to shape spaces that convey emotion while expressing a personal sense of balance and harmony.

Architecture becomes a means to craft atmosphere, comfort and well-being — in pursuit of happiness.

Light plays a central role throughout the process, structuring volumes, defining moods and lending each space a subtle, cinematic quality.

Guillaume Alan’s work is internationally acclaimed and regularly featured in the leading design press, including Architectural Digest, Elle, Vogue and Wallpaper.