Experience
Our tax advisors bring Big Four experience and a deep understanding of tax law and business economics.
Your team of tax advisors in Düsseldorf
More than just tax advisors – we are your partner for tax optimisation, financial security and business success.
What we stand for
Our values are the foundation of how we work with you
Client focus
We place great value on the individual needs of our clients and work closely with you to develop tailored solutions.
Innovation
We use state-of-the-art technology and digital solutions to optimise your tax and business processes efficiently.
Our team
Expertise, experience and a passion for tax advice
Alongside our tax advisors, two blockchain analysts work in our team. This combination — tax law and the ability to trace transaction chains on the blockchain — is why we can work through crypto cases even when the data situation is difficult.
Maximilian Klein
Tax Advisor (Steuerberater) & Founder
- Crypto taxation since 2014
- Bitcoin, Ethereum, NFTs, DeFi
- Healthcare & influencers
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Further specialisations
Staking, mining, airdrops, voluntary disclosures, historical crypto data, co-founder of several psychotherapy practices
Education
B.A. Taxation & Auditing (HS Niederrhein), M.A. Taxation (HS Aalen), Big Four experience, certified derivatives trader (Börse Stuttgart)
German, English
Lars Meyer
Tax Advisor (Steuerberater)
- SMEs & self-employed
- Succession & wealth planning
- Crypto, NFTs & DeFi
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Further specialisations
Annual financial statements, corporate restructurings, DeFi, staking, lending, mining, airdrops
Education
LL.B. Business Law (HS Bielefeld), M.A. Taxation and Accounting (HS Bochum), Big Four experience
German, English
Jonas Zitranski
Tax Advisor (Steuerberater)
- Influencers & content creators
- International tax matters
- Crypto & blockchain data
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Further specialisations
Crypto bookkeeping, wallet transactions, DeFi activities, staking, mining, lending, token trades
Education
B.A. Taxation & Auditing (HS Niederrhein), M.A. Taxation (HS Aalen), Big Four experience, licensed tax advisor since March 2024
German, English
Constantin Dobiczek
Chief Operating Officer
- Process management
- Blockchain analysis
- Digitalisation & data preparation
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Further specialisations
Blockchain data analysis & integration, process optimisation, digitalisation of internal workflows
Education
B.A. & M.Eng. Industrial Engineering (HS Niederrhein), senior management experience in process optimisation at Amazon
German, English, Vietnamese
Mario Klinkert
Tax Advisor (Steuerberater)
- Inheritance and gift tax
- International tax matters
- Forensic data analysis
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Further specialisations
Annual financial statements, crypto data analysis, DeFi activities, staking, mining, lending
Education
B.A. Taxation, dual study programme (HS Düsseldorf), Big Four experience, licensed tax advisor since April 2026
German, English
Thorsten Franke-Roericht
Lawyer (Rechtsanwalt), Of Counsel
- Certified advisor for crypto assets and taxes
- Certified Crypto Finance Expert (CCFE)
- Tax Compliance Officer (C.H. Beck)
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Further specialisations
Crypto crime, crypto tax law, tax criminal law, voluntary disclosures and blockchain forensics
Education
First and Second State Examinations in Law, LL.M. in Business Criminal Law
German, English
Björn Friedemann
Tax Clerk (Steuerfachangestellter)
- Crypto bookkeeping
- Blockchain data preparation
- Amended returns & voluntary disclosures
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Further specialisations
Private crypto transactions, tax returns involving crypto, financial accounting, annual financial statements
Education
Law studies (MLU Halle-Wittenberg), vocational training as a tax clerk, several years of professional experience
German, English
Moritz Meyer
Blockchain Analyst
- Crypto transaction analysis
- Tax computation of gains
- Portfolio tools & CoinTracking
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Further specialisations
Tax preparation of crypto and blockchain transactions, analysis and reconstruction of complex transaction histories (on- & off-chain), preparation of gain computations and tax expert reports, interface between clients, exchanges and the tax authorities
Education
B.Sc. Economics (Johannes Gutenberg University Mainz), experience in tax-relevant analysis of digital assets
German
Ivan Logvinenko
Tax Clerk (Steuerfachangestellter)
- CoinTracking data analysis
- Digital workflows
- Crypto trading
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Further specialisations
Data analysis, document management, structured workflows, digital support in tax matters, trading strategies and market monitoring
Education
Tax clerk training – Wirtschaftsschule Kahle, Mönchengladbach Experience in tax and trading with an interest in digital solutions, financial markets and data analysis
German, Russian
Moritz Schwenk
Blockchain Analyst
- Crypto transaction analysis
- Tax computation of gains
- Portfolio tools & CoinTracking
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Further specialisations
Tax preparation of crypto and blockchain transactions, analysis of complex transaction histories (on- & off-chain), development of internal tools for process automation and workflow optimisation
Education
IT specialist for application development, experience in blockchain technologies and smart contract development
German, English
Natalie Wawrzinek
Office Manager
- Office management
- Organisational talent
- Back-office management
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Further specialisations
Office management and fleet management
Education
Vocational training as an office management clerk
German, English
Kristian Zaifert
Tax Assistant
- Voluntary disclosures with penalty exemption
- Amended declarations in tax criminal proceedings
- Preparation of tax reports
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Further specialisations
Ongoing declaration of income from crypto assets, advice on complex crypto questions, emigration and tax considerations for investments, preparation of income tax, inheritance and gift tax and VAT returns, classification and valuation of crypto transactions
Education
Bachelor of Science in Business Administration – Taxation and Auditing
German, English
Cooperation in tax criminal law
Thorsten Franke-Roericht — lawyer (Rechtsanwalt), LL.M. in Business Criminal Law, Certified Crypto Finance Expert (CCFE, Zurich), Of Counsel to Steuerberatungskanzlei Klein GmbH. Focus areas: tax criminal law, business criminal law and crypto crime. Author in the Heidelberger Kommentar Steuerstrafrecht and in Praxis Steuerstrafrecht (PStR).
As Of Counsel, Mr Franke-Roericht is not employed by us and runs his own law firm in Düsseldorf. On tax criminal matters we work closely together: we are responsible for the tax analysis and the amended declarations, he for the criminal law assessment and, where necessary, the defence.
Our specialisations
Areas in which we bring particular expertise
Cryptocurrencies
Bitcoin, Ethereum, NFTs, DeFi, staking, mining & more
Learn more →Influencers
Content creators, social media & personal brands
Learn more →International tax law
Moving abroad, moving to Germany & cross-border income
Learn more →Inheritance & gifts
Wealth transfer & succession planning
Learn more →Memberships, cooperations & systems we use
Professional association, cooperation partners and the systems we work with
Next step
Get to know us in person
In a free initial consultation we discuss your tax situation and show you how we can support you.
Book an initial consultation
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