Maximilian Klein

Klein Tax Advisory is specialized in modern tax consulting with a particular focus on cryptocurrencies, blockchain-based business models, and digital sources of income. We support private individuals, investors, traders, and companies with complex tax matters related to digital assets as well as traditional tax issues.

Our team combines in-depth tax law expertise with a strong technical understanding of blockchain ecosystems and digital business models. This enables us to analyze even complex transaction structures, international tax situations, and extensive trading activities, and to provide strategic tax advice.

Our goal is not only to support our clients with tax reporting and compliance, but also to guide them strategically in tax optimization, regulatory compliance, and long-term wealth structuring.

Our services include, among others:

• tax analysis of crypto transactions
• preparation and documentation of complex wallet and exchange data
• preparation of crypto tax returns
• tax advisory for active traders and investors
• assistance with the taxation of staking, lending, and DeFi activities
• tax treatment of NFTs and token-based business models
• voluntary disclosures and subsequent tax declarations
• support during tax audits and tax authority reviews