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So & Sato Law Offices

Tokyo boutique law firm for capital markets, finance, corporate and new technology matters.

🇯🇵 Akasaka, Minato-ku, Tokyo, Japan (second office in Marunouchi, Chiyoda-ku) · Founded 2015 · 11–50 people

EstablishedLegal servicesFinTechBlockchain / Web3Capital marketsInvestment funds

So & Sato Law Offices (創・佐藤法律事務所) is a boutique law firm in Tokyo. It specialises in capital markets, finance, corporate work and new technologies such as blockchain and AI. The firm was established in 2015 as So Law Office and became So & Sato in 2019. It advises international and domestic corporate clients from two Tokyo offices, in Akasaka and Marunouchi.

Open to

  • Hiring

The firm has a Career page that invites people interested in joining to get in touch by email. It does not list specific open roles.

Services

Service

FinTech / Blockchain

Legal advice on crypto assets and derivatives, security tokens, DeFi, payment services and open banking.

Who it's for: Companies building or operating financial technology and blockchain businesses

  • Crypto assets and derivatives
  • Security tokens and DeFi
  • Payment services and open banking
Service

Capital Markets, Finance and Investment Funds

Advice on equity and debt capital, IPOs, securitization and regulation, and on the whole lifecycle of funds.

Who it's for: Domestic and foreign funds, and portfolio investors in Japan

  • Equity and debt capital, IPO, securitization, structured products, derivatives
  • Fund structuring, formation, capital raising, operation and liquidation
  • Private equity, venture capital and hedge funds, including regulatory matters
Service

M&A / Corporate and Tech / Innovation

Advice on private and public M&A, joint ventures, startups and general corporate matters, plus new technology fields.

Who it's for: Startups and established companies

  • Private M&A, public M&A and joint ventures
  • Startups and general corporate matters
  • AI, generative AI, big data, PropTech, AR/VR, IoT and BioTech

Customers

International and domestic corporate clients, especially those starting new businesses that involve technology. Also domestic and foreign investment funds, portfolio investors in Japan, startups and established companies.

Traction

Updated Oct 2026
2015year established, as So Law Office
2offices in Tokyo (Akasaka and Marunouchi)
22professionals listed on the firm's About Us page
5practice areas

Team