Open navigation
Search
Offices – Germany
Explore all Offices
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
Search
Expertise
Insights

CMS lawyers can provide future-facing advice for your business across a variety of specialisms and industries, worldwide.

Explore topics
Offices
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
CMS Germany Abroad
Insights
About CMS

Select your region

Jacob Siebert
Partner

Dr. Jacob Siebert

Rechtsanwalt | Head of Corporate / M&A, Germany

Languages
  • German
  • English
Social media

With over 20 years' experience advising strategic and private equity investors on M&A transactions, joint ventures and investments (buy- and sell-side), Jacob Siebert is a highly sought-after expert in the field. He has worked on a large number of complex, cross-border, multi-jurisdictional transactions, including dual-track, buy-and-build, SPAC IPO and de-SPAC transactions, as well as leverage buy-outs and strategic acquisitions and joint ventures.

With his particular expertise in the life sciences, healthcare, automotive, logistics and energy sectors, Jacob provides strategic support to his clients.

He joined the CMS Stuttgart office in 2003. In 2009/2010, he spent six months seconded to an investment advisory firm in London. He relocated to the firm’s Hamburg office at the end of 2010 and was made partner in 2012. Prior to studying law, he completed an apprenticeship at Deutsche Bank. Jacob holds a doctorate in law from the University of Bonn.

Awards & Recognitions
01
  • Quote
    Listed for Private Equity
    Deutschlands beste Anwälte 2025 – Handelsblatt in Kooperation mit Best Lawyers
  • Quote
    Listed for Corporate
    Deutschlands beste Anwälte 2025 – Handelsblatt in Kooperation mit Best Lawyers
  • Quote
    Listed for Mergers and Acquisitions
    Deutschlands beste Anwälte 2025 – Handelsblatt in Kooperation mit Best Lawyers
  • Quote
    „Oft empfohlen“ für Private Equity und Venture Capital
    JUVE Handbuch, 2024/2025
  • Quote
    „Oft empfohlen“ für M&A
    JUVE Handbuch, 2024/2025
  • Quote
    Listed for Corporate
    Deutschlands beste Anwälte 2024 – Handelsblatt in Kooperation mit Best Lawyers
  • Quote
    Listed as notable practitioner
    Chambers Europe, 2024
  • Quote
    Listed as notable practitioner
    Chambers Global, 2024
  • Quote
    „Oft empfohlen“ für Private Equity und Venture Capital
    JUVE Handbuch, 2023/2024
  • Quote
    „Oft empfohlen“ für M&A
    JUVE Handbuch, 2023/2024
  • Quote
    Listed as notable practitioner
    Chambers Europe, 2023
  • Quote
    Listed for Corporate
    Deutschlands beste Anwälte 2023 – Handelsblatt in Kooperation mit Best Lawyers
  • Quote
    "Recommended" for Private Equity and Venture Capital, M&A
    JUVE German Commercial Law Firms 2021 (GCLF)
  • Quote
    Listed as notable practitioner
    Chambers Europe, 2022
  • Quote
    "Recommended" for Private Equity and Venture Capital, M&A
    JUVE German Commercial Law Firms 2022 (GCLF)
  • Quote
    „Oft empfohlen“ für M&A
    JUVE Handbuch, 2022/2023
  • Quote
    „Oft empfohlen“ für Private Equity/Venture Capital
    JUVE Handbuch, 2022/2023

Relevant experience

  • Blue Elephant AG | In its majority acquisition by Antin
  • Otto Group | On entering the digital health sector
  • Synlab | On the sale of its veterinary diagnostics to Mars
  • MVZ Laaff | On its sale to amedes
  • Vattenfall | On its joint venture with BASF
  • Bruker | On its acquisition of the EliTech Group
  • DAL Deutsche Afrika-Linien GmbH & Co. KG | On the sale of the company’s container liner business to Hapag-Lloyd AG
  • ADS-TEC Energy GmbH | On the merger with European Sustainable Growth Acquisition Corporation
  • AFINUM Siebte Beteiligungsgesellschaft mbH & Co. KG | On the sale of Garz & Fricke Holding GmbH to Seco S.p.A.
  • Volkswagen and Porsche | On the establishment of the "Bugatti Rimac" joint venture
  • DEA Deutsche Erdoel AG | On the sale of three natural gas storage facilities

Publications

  • SPACs – Special Purpose Acquisition Companies, in: Christian Hoppe (Hrsg.), Praxishandbuch Finanzierung von Innovationen, SpringerGabler 2021, S. 657ff (- Zusammen mit Philipp Melzer)
  • SPACs - an attractive acquisition model for the German market - first experiences from legal point of view, Corporate Finance law 2010, p. 224 ff
  • SPAC - A new asset class in Europe, Corporate Finance law 2010, p. 13 ff
  • Debt-Equity-Swap-Transactions, Finance Magazin-Sonderbeilage 2009, p. 18
  • "The Liability of Members of the Take-Over Consortium under the Rules of Concealed Contribution in Kind", Neue Zeitschrift für Gesellschaftsrecht 2006, p. 366 ff
  • One-Man-Partnerships, 2005

Education

  • 2005: PhD at the University of Bonn
  • 2002: Second state examination in law
  • 2000 - 2002: trainee lawyer at Higher Regional Court Stuttgart
  • 1999: First state examination in law in Düsseldorf
  • Law studies at the University of Bonn
  • 1992 - 1994: Trained as a banker in Stuttgart
Back to top