Ansgar C.Rempp

Partner-in-Charge Germany

Düsseldorf + 49.211.5406.5500 Frankfurt + 49.69.9726.3939 Munique +

Ansgar Rempp, the Firm's Germany Partner-in-Charge, focuses his practice on cross-border M&A and private equity transactions, post-M&A disputes, and high-stakes investigations and compliance matters.

Representative cross-border transactions include: Plastic Omnium's acquisition of ams Osram's Automotive Lighting Systems business, Hilti's acquisition of Fieldwire, EMERAM's sale of Meona Group, Fosun's acquisition of FFT, SAP's $8 billion acquisition of Qualtrics, Procter & Gamble's €3.375 billion acquisition of the worldwide consumer health business of Merck, the €2 billion takeover and subsequent taking private of GfK by KKR, WL Ross' sale of its majority stake in VTG AG, and MAHLE's sale of its thermostat business to ADMETOS.

In 2022, Ansgar led a team of Jones Day lawyers to a landmark victory in an ICC arbitration dismissing in their entirety multibillion EUR breach of contract and tort claims brought by BASF relating to the divestments that Bayer made in connection with its $66 billion acquisition of Monsanto.

Other clients Ansgar has represented include Aptiv, BorgWarner, Cerberus, Citigroup, Eastman Chemical, Goldman Sachs, Koch Industries, Lanxess, Merz Pharma, PAG, Panalpina, PHINIA, ProSiebenSat.1, Riverside, Steris, Tenneco, and Timken.

Ansgar has been the chairman of the supervisory board of several clients, including more than a decade for tier 1 automotive supplier Harman Becker Automotive Systems.

Ansgar was named a leading senior M&A partner in JUVE's Handbook 2023/2024, one of only 24 lawyers to be so recognized. In 2017, he was named Transatlantic Dealmaker of the Year by the American Lawyer, the first German lawyer so recognized. Chambers Europe, Chambers Global, European Legal 500, and Legal 500 Germany directories all have continuously recognized him as a recommended M&A and private equity lawyer for two decades.



  • Mahle sells its thermostat business to ADMETOSJones Day is advising Mahle GmbH in the sale of its thermostat business to ADMETOS, an owner-managed industrial holding and investment company for medium-sized businesses.
  • GfK sells European Consumer Panel (GfK CP) business to YouGovJones Day is advising GfK SE in the €315 million sale of its European Consumer Panel business (GfK CP) to YouGov PLC, a leading international online research data and analytics technology group headquartered in the United Kingdom and listed on the London Stock Exchange (LSE: YOU).
  • Bayer secures landmark victory in post-M&A ICC arbitration against BASFJones Day lawyers secured a landmark victory on behalf of Bayer AG in a multi-billion post-M&A arbitration against BASF SE.
  • ProSiebenSat.1 Media SE’s investment arm SevenVentures invests in GroverJones Day advised SevenVentures, the investment arm of ProSiebenSat.1 Media SE, in its investment in Grover, the leading consumer-tech subscription platform.
  • Plastic Omnium acquires ams OSRAM Automotive Lighting Systems from ams OSRAM GroupJones Day advised Plastic Omnium in the acquisition of the Automotive Lighting Systems (AMLS) business of ams OSRAM Group in a highly complex international carve-out transaction.
  • ProSiebenSat.1 sells to XXXLutzJones Day advised ProSiebenSat.1 Media SE in the sale by subsidiary NuCom Group, in which General Atlantic also holds a stake, of Einrichten & Wohnen AG to XXXLutz Group.
  • Hilti Group acquires Fieldwire for approximately $300 millionJones Day advised the Hilti Group in its acquisition of Fieldwire, a San Francisco, California, based construction technology company specialized in construction project management software, for approximately $300 million.
  • SAP forms strategic partnership with Dediq for financial services industriesJones Day advised SAP in the formation of SAP Fioneer, a joint venture with the Munich based investor DEDIQ GmbH whereby SAP contributed its Financial Services and Insurance Services business and DEDIQ will invest more than €500 million.
  • SevenVentures invests in GroverJones Day represented SevenVentures, the investment arm of ProSiebenSat.1 Group, in connection with its investment in Grover, Europe's market leader in consumer tech subscriptions.
  • EMERAM Capital Partners sells portfolio company MEONA to Trill ImpactJones Day represented EMERAM Capital Partners GmbH, one of the leading investment companies for medium-sized companies in the German-speaking region, in the sale of its portfolio company MEONA, an innovation leader for clinical software, to the private equity firm, Trill Impact.
  • Timken acquires BEKA Lubrication for $165 millionJones Day advised The Timken Company in its $165 million acquisition of BEKA Lubrication (BEKA), a leading global supplier of automatic lubrication systems.
  • Deutsche Beteiligungs AG sold investment in InfianaJones Day advised DBAG Fund VI, a fund advised by Deutsche Beteiligungs AG (DBAG), on the auction sale of the portfolio company Infiana Group GmbH and indirectly all of its subsidiaries to funds advised by Pamplona Capital Management.
  • Panalpina and DSV join forces by way of CHF 4.6 billion (US$4.6 billion) public exchange of stockJones Day advised Panalpina Welttransport (Holding) AG, Basel, Switzerland, one of the world's leading freight forwarders, with respect to German, EU, and U.S. securities law aspects and foreign direct investment filings in connection with the combination with DSV A/S, Hedhusene, Denmark, by way of a CHF 4.6 billion (US$4.6 billion) public exchange offer of DSV to all Panalpina shareholders to tender their Panalpina shares (listed at SIX Swiss Exchange) against DSV shares (listed at NASDAQ Copenhagen).
  • Fosun acquires FFT GroupJones Day advised Fosun International Limited with the acquisition of FFT GmbH & Co. KGaA ("FFT") from ATON GmbH.
  • SAP acquires Qualtrics for $8 billionJones Day advised SAP in its $8 billion acquisition of Qualtrics International Inc., the global pioneer in the experience management software category.
  • Compagnie Plastic Omnium acquires 33.3 percent in HBPO joint venture and increases its overall stake to 66.6 percentJones Day advised Compagnie Plastic Omnium in the acquisition of 33.3 percent of the shares in HBPO Group held by Mahle GmbH for an enterprise value of €350 million (US$431 million).
  • Procter & Gamble acquires consumer health business of Merck KGaAJones Day advised The Procter & Gamble Company (“P&G”) in its €3.375 billion ($4.2 billion) acquisition of the worldwide consumer health business of Merck KGaA.
  • PAG invests in Key Safety Systems to finance acquisition of global assets of Takata CorporationJones Day represented PAG Asia Capital Ltd. and PAG Asia II LP in connection with its investment in Key Safety Systems, a subsidiary of China-based Ningbo Joyson Electronic Corporation, to finance the acquisition of substantially all of the global assets of Takata Corporation out of bankruptcy in the U.S. and Japan and certain non-bankruptcy transactions elsewhere in the world.
  • Compagnie Plastic Omnium acquires Swiss Hydrogen SAJones Day advised Compagnie Plastic Omnium in its investment in Swiss Hydrogen SA, a Swiss-based company, specialized in the design and production of solutions for the management and control of energy in fuel cell systems dedicated to mobility.
  • EMERAM Capital Partners invests in MeonaJones Day represented EMERAM Capital Partners GmbH in connection with its investment in Meona GmbH, a Germany-based innovative clinical software leader.
  • EMERAM Capital Partners invests in E.careJones Day represented EMERAM Capital Partners GmbH in connection with its investment in bvba, a developer of software supporting patient treatment processes in hospitals.
  • FVB sold to TalanxJones Day advised the sole shareholder of FVB (Gesellschaft für Finanz- und Versorgungsberatung mbH) in the sale of 100 percent of the shares to Talanx Deutschland AG.
  • Hilti acquires Oglaend System GroupJones Day advised Hilti AG in its acquisition of Norwegian Oglaend System Group, a leading manufacturer of multidiscipline support solutions, cable ladders, cable trays and accessories for the oil and gas, infrastructure, shipbuilding, wind energy, water treatment, and clean room industries.
  • Voluntary public tender offer for all shares of GfK SE by KKR and shareholder agreement between KKR and GfK Verein resulting in joint shareholding of more than 95 percent in GfK SEJones Day advised GfK SE in connection with a voluntary public tender offer by Acceleratio Capital N.V., a holding company controlled by funds advised by Kohlberg Kravis Roberts & Co. L.P. (together with affiliates, "KKR") and a shareholder agreement between KKR and GfK Verein, GfK SE's majority shareholder.
  • MAHLE sells its industrial filtration business to Filtration GroupJones Day advised MAHLE in the sale of its industrial filter business to Filtration Group Corporation.
  • Plastic Omnium sells SULO Emballagen GmbH to FIELDS GroupJones Day advised Plastic Omnium Environment, the environment division of Compagnie Plastic Omnium, in the sale of SULO Emballagen GmbH to FIELDS Group.
  • WL Ross sells 20 percent of VTG AG, completing €358 million (US$401.4 million) divestitureJones Day advised WL Ross & Co. LLC in its sale of approximately 20 percent of the outstanding shares in VTG Aktiengesellschaft to Kuehne Holding AG, completing a €358 million (US$401.4 million) divestiture.
  • Mahle acquires thermal division from Delphi Automotive for $727 millionJones Day advised Mahle GmbH in the acquisition of the thermal division of automotive supplier Delphi PLC for $727 million.
  • SAP acquires enterprise multichannel e-commerce company hybrisJones Day advised SAP AG in connection with its acquisition of hybris AG.
  • Goldman Sachs sells stake in DNick to Wickeder WestfalenstahlJones Day provided advice to Goldman Sachs' European Special Situations Group in connection with the takeover by Wickeder Westfalenstahl GmbH ("Wickeder") of DNick Holding plc ("DNick"), a UK corporation traded in the German unregulated market (Freiverkehr), including the subsequent sale of Goldman Sachs' approximately 23% stake in DNick to Wickeder.
  • Riverside acquires KEYMILE GroupJones Day advised The Riverside Company in connection with its acquisition and related financing of KEYMILE Group, a leading global supplier of communication solutions in the area of access and transmission systems for public and private telecommunication networks, operating networks of railway companies, energy suppliers, and other private network operators.
  • OM Group acquires leading magnetic materials producer Vacuumschmelze for $1 billionJones Day advised OM Group, Inc. (NYSE: OMG) in its acquisition of VAC Vacuumschmelze GmbH & Co KG (VAC) from One Equity Partners, a private equity arm of JPMorgan Chase & Co.
  • Goldman Sachs, Cerberus Partners, and Credit Suisse complete sale of Wittur Group to Triton PartnersJones Day represented a private equity consortium comprised of Goldman Sachs, Cerberus and Credit Suisse in connection with the sale of the Wittur Group to Triton Partners.
  • SAP acquires Sybase for $5.8 billionJones Day advised SAP in its $5.8 billion agreement to acquire Sybase, Inc., an enterprise software and services company.
  • Quest Software acquires Völcker Informatik AGJones Day advised Quest Software Inc. in the acquisition of Germany-based Völcker Informatik AG, a privately held identity management solutions provider specializing in the management of user identities, access privileges and security across multiple applications and systems.
  • Mahle GmbH acquires Amafilter from ABN AmroJones Day advised a wholly owned subsidiary of MAHLE GmbH in connection with the acquisition of Amafilter Group Holding B.V. from ABN Amro.
  • Merz Pharma Group acquires BioForm Medical for $253 millionJones Day acted as Special Counsel to Merz Pharma Group in its $253 million acquisition of BioForm Medical, Inc.
  • Merz Pharmaceuticals establishes joint venture in BrazilJones Day advised Merz Pharmaceuticals GmbH, a wholly owned subsidiary of Jones Day's long standing client Merz GmbH & Co. KGaA, on the establishment of a joint venture in Brazil.
  • Onward Holdings acquires Jil Sander for $244 millionJones Day advised Onward Holdings Company as German counsel in the €167 million (USD $244 million) acquisition of Jil Sander AG, German luxury apparel brand, from Change Capital Partners LLP.
  • Riverside acquires SPX Air Filtration LimitedJones Day advised Riverside in its acquisition of SPX Air Filtration Limited, a subsidiary of SPX Corporation, a leading manufacturer and supplier of air filters.
  • Merz GmbH acquires Pharma Investment HoldingJones Day advised Merz GmbH & Co. KGaA in its acquisition of Pharma Investment Holding S.A. which holds a 100% share in BioteCon Therapeutics GmbH.
  • GfK acquires Blue Moon Group and Minority Stake in dmrkynetecJones Day advised GfK in its acquisition of 100% of the shares of the Blue Moon Group, one of Australia’s leading Custom Research companies as well as in its acquisition of a minority stake of 26% in dmrkynetec.
  • Mahle GmbH acquires Siemens VDO Automotive's air intake module and air filtration businessJones Day advised Mahle GmbH in its acquisition of Siemens VDO Automotive's air intake module and air filtration business segment for combustion engines.
  • Bayer AG acquires Icon GeneticsJones Day advised Bayer AG in the acquisition by its subsidiary Bayer Innovation GmbH of Icon Genetics AG from its founders and certain mostly state-owned venture capital funds.