frenchCALIFORNIA is a New York–based, Architectural Digest Pro–listed interior design, staging, and branding studio with a strong presence in New York City and California, and projects across Tennessee, Florida, and beyond.
Founded by Guillaume Coutheillas eight years ago, the studio creates unmatched commercial and residential interiors—including model residences—for some of the most iconic buildings in the country.
We specialize in luxury condominium new development projects, including ground-up developments, conversions, and takeovers. Our work seamlessly bridges high-end interiors with strategic market positioning to elevate the value and desirability of each residence.
We also maintain a robust interior staging practice for resale properties.
Our work has been featured in Architectural Digest, ArtNet News, Robb Report, Galerie, Modern Luxury, House Beautiful, Town & Country, Departures, and Interior Design Magazine, among others.