Matthias Taggeselle

Dr Matthias Taggeselle

Senior Associate

Matthias advises corporate clients, financial sponsors, banks and financial services providers on M&A transactions and complex, multi-jurisdictional reorganization projects.
He has extensive experience in advising on complex and cross-border M&A transactions (including auctions, bilateral transactions, joint ventures and exits) on both sell- and buy-side, as well as large and complex cross-border/multi-jurisdictional reorganisations, in particular in the banking, financial services and regulated industries but also in the mobility, technology and professional services sector. He also holds a Masters degree in Finance (MSc. Finance) providing additionally for a commercial and business-minded angle of his advice.


Representative matters

Avenga, an international IT service provider and consulting group and a portfolio company of a global asset management firm, on the acquisition of Ukrainian-based Perfectial Group. The deal focused on Ukraine and Malta and was negotiated and steered by us from Germany.

A multinational financial institution on the acquisition of assets of the European acquiring and issuing business from insolvent Wirecard group.

Converge Technology Solutions, a listed international IT solutions provider, on its European market entry and numerous M&A transactions in Germany.

House of HR, a leading European provider of specialized talent solutions and engineering and consulting provider, on numerous acquisitions in the German market.

A subsidiary of a multinational financial institution on the acquisition of MCE Bank from Mitsubishi.

Saham Group, Africa's leading multi-services group, on the merger of Bertelsmann's and Saham Group's CRM businesses.


Published Work

  • Taggeselle, Matthias (2018), “Die zivilrechtliche Haftung bei fehlerhaften Produktinformationsblättern und Basisinformationsblättern”, Univ. Diss., Mainz, Nomos, Studien zum Handels-, Arbeits- und Wirtschaftsrecht



Referendar, Germany, 2011

Assessor, Germany, 2013

Rechtsanwalt, Germany, 2017


Dr. iur., Johannes Gutenberg University Mainz, Germany, 2018
Master of Science in Finance (M.Sc.), Frankfurt School of Finance and Management, Germany, 2018
Second German Law Degree, Rhineland-Palatinate, Germany, 2013
First German Law Degree, Johannes Gutenberg University Mainz, Germany, 2011
Master of Laws (LL.M.), De Montfort University of Leicester, United Kingdom, 2009
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.