/ By your Side.
Right from the Start.
BUSINESS AND TAX CRIMINAL LAW, INTERNAL INVESTIGATIONs – THIS IS WHERE WE ARE BEST.
WE DEFEND BUSINESS.
Accolades
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TOP Firm for white-collar crime
TOP Firm for tax criminal law
TOP firm for Compliance
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Oliver Sahan and Ramona Höft recommended for white-collar crime and Tax Criminal Law
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“Consistently available, exceptionally courteous, and highly competent—empathetic, patient, and experienced, with a strong ability to assess any new situation.”
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Law Firm particularly often recommended in business criminal law and Compliance
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ROXIN recommended in Criminal tax Law
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„Roxin is a highly experienced, highly qualified boutique firm specializing in white-collar criminal law. It assesses cases holistically and combines strong legal expertise with commercial insight to navigate complex fact patterns.“
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Oliver Sahan: “A criminal defense attorney any manager would want by his side.”
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Johannes Altenburg: “Great lawyer. Very analytical but also collegial and can lead teams well.”
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Johannes Altenburg recommended in Criminal Tax Law
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Ramona Höft recommended in white-collar crime and tax criminal law
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Mika Kremer recommended in Criminal Tax Law and White-Collar Crime
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Johannes Altenburg: „All-rounder and excellent coordinator in large-scale proceedings“ – „strong standing“ – „comprehensive understanding of economic contexts”.
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Oliver Sahan: „Open, appreciative, creative, competent“ – „assertive“ – „top professional“.
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ROXIN Rechtsanwälte recognised for Client Satisfaction – White Collar Crime and Criminal TAX Law (Corporate Advisory and Defence Counsel)
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ROXIN has been shortlisted at the Chambers Germany Awards 2026 – „White-Collar Crime Law Firm of the Year“
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„ROXIN is portrayed as a highly capable law firm with strong compliance expertise, offering clear, to-the-point guidance. They are praised for being client-oriented, readily available, and pragmatic—especially valuable when navigating complex, multi-jurisdictional regulatory matters.“
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„In a major matter, Roxin collaborated efficiently with other counsel and delivered pragmatic, high-quality solutions.”
News & Events
All events in 2026
Webinars, lectures, courses – get an overview of our annual program now.
