Bernd Keller

Bernd Keller started his career at the tax authorities of North-Rhine Westphalia. Having finished his studies in law, he worked as a tax lawyer (and tax adviser) at the leading international law firm Freshfields Bruckhaus Deringer in Frankfurt for 7 years. Thereafter, he worked for well-known international tax firms (KPMG, WTS) and joined Mazars in 2020, where he built up the Tax division at Mazars' Cologne office with his 30-strong tax team. 

• Advising on international M&A transactions on numerous projects incl. acquisitions for Scout24 SE, DEUTZ AG, SIMONA AG, DKSH
• Tax Structuring of spin-off of German based international first tier automotive supplier
• Advising Dutch based PE Triodos on investment in German based start-up in the renewables sector

Corporate tax matters:

• Cross-border project management
• Restructuring
• Transactions
• M&A
• Corporate taxes
• Technology

Dispute resolution:

• Audit defence
• Audit support
• Pre-litigation
• Litigation

Tax advisory:

• Tax consulting
• International tax advisory

• Automotive
• Consumer goods and services
• Industrials
• Media
• Real estate
• Tech and telecoms
• Transport and Logistics
• E-Commerce
• Specialty Chemicals
• Private Equity and Start-Ups

• Certified German Attorney-at-Law (2007)
• Certified German Tax Adviser (2010)

• IFA (International Fiscal Association)
• DStJG (Deutsche Steuerjuristische Gesellschaft e.V.)
• Bar association of Cologne
• Chamber of tax advisers of Cologne
• Working group of the Cologne Chamber of Industry and Commerce for International Tax and Transfer Pricing
• Forum Tax Law Castle Nordkirchen e.V.

• Diploma in tax law (Dipl.-FinW) at College of Fiscal Affairs, Nordkirchen, Germany (1998)