O2K.tech

About O2K.tech

@O2K is a tax and legal consulting firm established in 2020 in Amsterdam, specialised in crypto assets, international taxation, and regulation.

We advise individuals, companies, institutions, and governments on complex cross-border matters involving crypto and traditional assets. Our work sits at the intersection of international tax law, financial regulation, and emerging technologies, with a strong focus on practical, defensible solutions.

@O2K provides one-on-one advisory services and tailor-made training, supporting clients throughout the full lifecycle of digital assets — from structuring and compliance to regulatory engagement and audits.

Our services include: • International crypto tax, accounting, and compliance • Crypto regulation, legal advice, and legal opinions • KYC & AML frameworks for crypto and Web3 businesses • Company formation, structuring, management, and liquidation • Crypto licensing and regulatory authorisations in Europe • NFT valuation and legal opinions • International tax planning for digital nomads • Part-time Head of Tax and Head of Legal roles

In addition to advisory work, @O2K developed the “Ultimate Guide to Taxation and Regulation of Crypto Assets”, a 10-lesson professional course. It is the only course on the market that approaches crypto taxation and regulation from a fully international tax perspective.

Key focus areas: Crypto tax · Crypto regulation · Crypto law · Crypto compliance · Cryptocurrency taxation · International tax · Web3 regulation · Digital assets · Cross-border structuring

Keywords

• Aml Crypto Training
• Blockchain
• Cross
• Crypto Asset Training
• Crypto Compliance
• Crypto Currency
• Taxation Of Bitcoin
• Taxation Of Crypto Assets
• Taxation Of Defi
• Taxation Of Ethereum
• Taxation Of Nft
• Taxation Of Stablecoin
• Taxation Of Tokens
• Virtual Currency
• Web 3.0

Address

• Headquarters

  AmsterdamNoord-Holland, Netherlands

Team by function

Based on 6 public job profiles as of 3 September 2026.

• Legal / Compliance3
• Finance / Accounting2
• Founder / Owner1