Stefan Widder

  • Partner
  • Warburgstrasse 50
  • 20354 Hamburg
  • Germany
  • T +49.40.4140.30


Dr. Stefan Widder is a partner advising on all aspects of M&A and Private Equity transactions.

Mr. Widder is recognized as one of the leading M&A lawyers of his generation in Germany (JUVE, MergerLinks, WirtschaftsWoche: “one of the best addresses for M&A”) and is regularly highly ranked for M&A as well as Private Equity and/or Corporate Law by other renowned directories, including Handelsblatt, The Legal 500, and IFLR1000.

Mr. Widder has almost 20 years of experience advising strategic as well as financial investors on all aspects of German and cross-border M&A transactions, including leveraged buy-outs, auctions, proprietary transactions, carve-outs, joint ventures, minority investments, and distressed M&A.

He regularly speaks and writes on M&A and corporate law topics and has published more than 60 articles in leading publications.


Mr. Widder’s representative experience includes advising:

  • ZF Friedrichshafen on the:
    • Acquisition of WABCO
    • Sale of its global Body Control Systems business to Luxshare
  • Aliaxis on the:
    • Sale of its ceramics business to Kyocera
    • Sale of Rheinhütte Pumps to ITT
    • Sale of the SED valves business to Samson
  • Capvis on the:
    • Acquisition of Amann Girrbach, a leading provider of digital dental technology, from TA Associates
    • Acquisition of BARTEC, a leading industrial safety technology provider, from Allianz Capital Partners
    • Sale of BARTEC to Charterhouse
    • Acquisition of Kaffee Partner
    • Acquisition, together with Triton, of Wittur, a leading provider of components for elevators, from Goldman Sachs, Credit Suisse, and Cerberus
  • Stirling Square Capital on the:
    • Acquisition of Cartonplast, a leader in reusable plastic layer pads, from Synergo 
    • Sale of Cartonplast to DBAG
  • Commerzbank as financial advisor to Chinese bidder Ningbo Jifeng on the public takeover of automotive supplier Grammer
  • SoftwareONE, a KKR portfolio company, on the acquisition of Comparex, a global IT solutions provider, from Raiffeisen 
  • Alpha Private Equity on the acquisition of commercial vehicle spare parts retailer EUROPART from Triton
  • The Carlyle Group on the:
    • Acquisition of wood processor Klenk Holz
    • Sale of Klenk Holz to Binderholz
    • Sale of Honsel to Ripplewood
  • Conergy on the sale of its inverter subsidiary voltwerk to Bosch
  • H.I.G. Capital on the:
    • Acquisition of Losberger, a leading provider of temporary housing solutions 
    • Sale of Losberger to Gilde 
  • Jesta Digital on its sale to freenet
  • Riverstone on the acquisition of the Wilhelmshaven refinery from ConocoPhillips
  • Consortium “Albert Ballin” on the acquisition of Hapag-Lloyd from TUI
  • BAE SYSTEMS on the sale of Atlas Elektronik to a consortium of Rheinmetall and EADS

Thought Leadership

  • How to Implement Contracts in Germany During the COVID-19 Crisis -  March 23, 2020
  • Corporate Reorganisations 2019 -  June 05, 2019
“One of the best addresses for M&A”WirtschaftsWoche 2018
Bar Qualification
  • Rechtsanwalt (Germany)
  • Second German State Exam, Higher Regional Court, Hamburg, 2002
  • Dr. jur., University of Hamburg, 2001
  • LLM, University of Stellenbosch, 1998
  • First German State Exam, University of Hamburg, 1997
  • Aerospace, Defense & Government Services
  • Automotive
  • Energy & Infrastructure
  • English
  • German
  • Mergers & Acquisitions
  • Private Equity