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S+C is an architecture, design, and development practice founded on a process of creative and interdisciplinary collaboration by Michiko Sumi and Louis Cobben. Following their prior professional partnership, Michiko Sumi takes a creative design leadership role, enriched by her academic experience teaching at the Bartlett School of Architecture. Louis Cobben contributes his architectural, development and investment experience. Operating across a range of scales, encompassing master planning, residential, retail, office, and cultural projects, as well as furniture design. Apart from functioning as a full scale architectural and interior design practice, S+C also operated as a platform connecting young architects with clients, while providing all the infrastructure and knowledge needed to operate in the professional world of architecture. We therefore welcome creative collaborations.
Founders
Michiko Sumi ARB RIBA
Michiko Sumi is a London-based architect and educator, originally from Tokyo, Japan, who moved to the UK in 2000. She holds a Postgraduate Masters MArch from the Bartlett School of Architecture, UCL, where she is currently a Lecturer and leads Studio 3A of the MSci course, having previously led Master's Unit 17 and Undergraduate Unit 0.
In 2025, she co-founded S+C with Louis Cobben, following as a Director at Kohn Pederson Fox Associates, where she served as lead designer for significant mixed-use developments such as Bermondsey and Floral Court in Covent Garden.
Her prior professional experience includes roles at Ay-architects, Rogers Stirk Harbour and Partners, David Chipperfield Architects, and Kajima Construction UK. Alongside her practice, she actively collaborates on research initiatives and architectural projects.
Louis Cobben ARB RIBA MBA
Louis Cobben is a Dutch-trained architect, developer and investor, who relocated to the UK after residing in Singapore. He holds an MBA from Imperial College Business School, as well as a MSc in Architecture from the Eindhoven University of Technology. He enjoys integrating his architectural expertise with a strong understanding of real estate development and investment.
He co-founded S+C with Michiko Sumi. As an architect Louis worked as an Associate Principal at Kohn Pederson Fox Associates, where he led the design for notable projects such as Draka in Amsterdam and various international masterplans, including large masterplans and offices in China.
Having lived in diverse global cities, including Singapore, New York, Amsterdam, and London, he possesses a broad perspective on real estate globally and through his dual expertise in architecture and investment management Louis enjoys to originate future development opportunities, assessing feasibilities for various development projects
Collaborating Partners
Niall Mclaughlin
Stuart Piercy
Minh Tran
Magdalena Skop
Krystal Tsai
Hiro Matsuzaki
Charles Gibault