Markus Ernst advises on tax issues in connection with transactions, reorganisations, financing transactions, tax audits and contentious proceedings. In addition to tax law issues arising in M&A transactions and reorganisations, another focus of his work is on assisting financial institutions in tax-driven internal investigations.

His clients include German and foreign companies, financial institutions and private equity firms. Most recently he advised Bank of America Merrill Lynch on the refinancing of The Squaire and the subsequent securitisation, Bain Capital on the sale of a participation in the Wittur Group, VTG on acquiring the NACCO Group, as well as Tata Steel on the 50/50 steel joint venture with thyssenkrupp. In addition, he assists financial institutions in connection with the analysis of tax-motivated structures and represents them in their dealings with tax and criminal authorities.

Markus Ernst publishes and lectures on tax issues on a regular basis.