SumoSan
Sumosan is a contemporary Japanese restaurant group founded in Moscow in 1997 by Alexander Wolkow. The London flagship opened in 2002 under the leadership of his daughter, Janina Wolkow, who is now the CEO. With over twenty years of experience, Sumosan is known for its elegant modernization of Japanese cuisine, featuring high-quality sushi, sashimi, and innovative dishes crafted by Executive Chef Bubker Belkhit. The group operates full-service restaurants with open kitchens, elegant dining spaces, and outdoor terraces. In addition to dine-in experiences, Sumosan offers Japanese catering and t
Investing activity
SumoSan appears in 1 AI deal tracked by the AI Lounge deals desk. The rounds are mostly Seed. The most recent is Madverse Music (Seed, Jun 2026).
SumoSan most often invests alongside Ahdritz Capital, Marigold Capital, 10X Global and Willard Ahdritz has, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about SumoSan
What AI companies has SumoSan invested in?
SumoSan's AI investments include Madverse Music. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is SumoSan based?
SumoSan is based in London, England, United Kingdom.
What stage does SumoSan invest at?
In the rounds tracked on AI Lounge, SumoSan has invested at Seed.
Who does SumoSan co-invest with?
SumoSan's most frequent co-investors on AI Lounge are Ahdritz Capital (1 deal), Marigold Capital (1 deal), 10X Global (1 deal) and Willard Ahdritz has (1 deal).
How can founders reach SumoSan?
Founders on AI Lounge can see SumoSan's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add SumoSan to their Investor Pipeline to track the conversation.