Masaru Sakai is the founder of Paytner. Latest round: Series B. Backed by Mizuho Bank, UPSIDER Capital, Fukoku Mutual Life Insurance. Based in Tokyo, Japan.
Masaru Sakai is identified as the founder and representative of Paytner, a Tokyo-based B2B payment and factoring company. The company, originally founded as yup in 2019, offers invoice and factoring services for freelancers and B2B payments. Japanese-language sources also refer to him as Yuu Sakai, the company's president.
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