Smooth

Engineering, Product and Design B2B Software and Services Finance Financial Services Payments Real Estate

1 open

Tokyo, Tokyo, JapanFounded 20192+ employees$18.3M raisedSeries APrivate

Last round: series b · $10.2M · Dec 2025(2 rounds total)

“Fast, simple, reliable AI browser agent”

Backed by(10 investors)

Maezawa FundShizuoka BankValueup PartnersFlex CapitalMorgan Stanley JapanThe Hokkoku BankCyberAgent CapitalJapan Finance CorporationXTech VenturesHiroshima Venture Capital

Smooth is a financial services company that provides initial cost installment payment solutions for real estate rental contracts.

Careers ↗

YC F24

About the Company

Smooth is the most reliable AI browser agent yet while also being 5x faster and 7x cheaper than any other alternative available on the market.

Founders

Antonio Vespoli

Antonio is the co-founder and CEO of Circlemind. He holds a Master’s degree in Computing from Imperial College London, specializing in AI and Machine Learning. He spent three years as a Software Engineer at AWS, working on real-time streaming technology.