Simon Lange advises private equity firms and companies in private corporate transactions, with a particular emphasis on leveraged buyouts.

Mr. Lange advises leading private equity sponsors and their portfolio companies, listed investment firms, venture capital firms, and mid- to large-cap industrial companies.

He regularly helps clients navigate complex cross-border transactions with a French nexus, including:

  • Leveraged buyouts (LBOs)
  • Mergers and acquisitions
  • Joint ventures
  • Restructurings
  • Majority/minority investments

Mr. Lange brings clients a sophisticated global sense of what is at market, so they can efficiently bring deals to close. He draws on a deep technical knowledge of French law and a complementary understanding of a full spectrum of industries. Given his experience working in New York, he brings a direct and practical approach to dealmaking. 

Mr. Lange maintains an active pro bono practice, advising global non-profits on fundraising, governance, and restructuring matters.

Mr. Lange’s experience includes advising: 


  • PSG Equity, a leading growth equity firm partnering with software and technology-enabled services companies, on its acquisition of Diapason, a high-profile French provider of treasury and risk management software for large and mid-sized companies
  • Summit Partners, a global alternative investment firm, on its majority growth investment in Doctrine, a leading provider of legal intelligence solutions
  • Astorg in:
    • The signing of a binding agreement with Alpha Private Equity whereby Astorg will acquire IPCOM, a pan-European leading B2B specialty distributor of technical and building insulation products
    • Its binding agreement to acquire CordenPharma, a leading pharmaceutical contract development and manufacturing organization, from International Chemical Investors Group (ICIG), a privately owned industrial group
    • Its acquisition of Corialis from CVC Capital Partners Fund VI
    • Its acquisition of Nemera from Montagu
  • Bridgepoint in:
    • In the acquisition of Nexity SA’s residential property management services business
    • The sale of eFront, the world’s leading end-to-end alternative investment management software and solutions provider to BlackRockElsan Group, a portfolio company of KKR, in its acquisition of  Groupe C2S, a France-based company operating private clinics
    • The acquisition of the Spartfin Group, specialists in debt consolidation, insurance, and mortgage brokerage, with an option for Bridgepoint to contribute to the new structure one division (Empruntis) of its portfolio company Kereis (former CEP)
  • Ardian in the sale of its majority stake in Unither Pharmaceuticals (Unither), a global leader in the development and manufacturing of sterile unit-doses
  • KKR in its acquisition of a controlling interest in French hospital operator Elsan alongside CVC, Téthys, Ardian, and other French institutional investors
  • KKR and the founders of Webhelp, one of the world’s leading providers of customer experience and business process outsourcing (BPO) in the €2.4 billion sale of the company to Groupe Bruxelles Lambert
  • Ardian Expansion, a world-leading private investment house, in its acquisition of Syclef from Latour Capital
  • Permira in its minority investment in New Immo Group
  • Platinum Equity in its acquisition of Biscuit International from Qualium Investissement
  • The founders and TA Associates in the investment of Antin Infrastructure Partners in Babilou, a leading private network of daycare facilities and Early Years Education in Europe

Private M&A

  • Tradesy, a pioneer in the US second-hand fashion industry, in its acquisition by Vestiaire Collective
  • Biscuit International, a portfolio company of Platinum Equity, in its acquisition of Netherlands-based Continental Bakeries from Goldman Sachs Asset Management 
  • Elsan Group, a portfolio company of KKR, in its acquisition of Groupe C2S, a France-based company operating private clinics
  • Albéa in the contemplated sale of its dispensing business to Silgan, supplier of rigid packaging for consumer goods products 
  • Burger King in its sale of Quick, one of the leading burger fast food chains
  • Fraikin in its acquisition of VIA Location, a long-term truck rental company

Public M&A

  • Calliditas in its acquisition of a controlling interest in Genkyotex, a leader in NOX inhibition therapies, followed by a public tender offer
  • TechnipFMC in the planned spin-off transaction to separate into two industry-leading, independent, publicly traded companies 

Venture Capital 

  • General Catalyst on the €385 million Series A financing round of Mistral AI, a French startup specializing in generative artificial intelligence
  • Leonard Green & Partners in the €64 million Series B financing round of TreeFrog Therapeutics
  • Vitruvian in the €60 million Series B financing round of Singulart

Bar Qualification

  • Avocat (Paris)


  • Postgraduate Law Degree Banking and Finance, University of Paris II (Panthéon-Assas), 2011
  • Postgraduate Degree Business Tax Law, University of Paris II (Panthéon-Assas), 2010
  • Master in Corporate Law, University of Paris II (Panthéon-Assas), 2009
  • Bachelor Degree in Law, University of Paris II (Panthéon-Assas), 2008