Sebastian supports his clients in M&A projects and other corporate transactions in Germany and internationally. He regularly advises on the acquisition and sale of businesses, the establishment and structuring of joint ventures as well as corporate reorganisations. Sebastian's practice also includes general corporate law and regulatory matters beyond transactional advice. He has particular expertise in energy law.

His clients include strategic investors and industrial businesses (in particular from the energy and from the telecommunications sector), as well as private equity and other financial investors, for whom he often acts in auction processes.

A particular focus of his work is on complex projects in the energy sector and other regulated industries as well as on large infrastructure undertakings. He advises on the structuring of transactions and on the relationships between shareholders and financial investors as well as on the regulatory feasibility of these projects and on their operational contracts.