Guillaume Isautier
Image of Guillaume Isautier

Guillaume Isautier

Partner

Email

guillaume.isautier@aoshearman.com

Phone

33140065144

Offices

Paris

V-CARD
Guillaume advises domestic and international clients in a wide variety of M&A transactions, including acquisitions and disposals of listed and non-listed companies, strategic mergers and joint ventures, as well as business carve-out acquisitions and divestitures.

His practice focuses on a broad range of industry sectors including banking, telecom, energy and consumer goods & retail sectors.

Expertise

Industries

Experience

Representative matters

  • A subsidiary of a global financial institution in the context of: 
    - the sale of Magyar Cetelem Bank ZRT to Cofidis (Hungary). 
    - the sale of a Bulgarian subsidiary of a global financial institution to Eurobank Bulgaria AD (Bulgaria). 
    - the sale of a portfolio of consumer credit and loan agreements in the Czech Republic to česká spořitelna, a subsidiary or Erste Group Bank AG.
    - the sale of its consumer finance business in Slovakia, comprising in particular personal and consumer loans, credit card products and services, as well as insurance products and services.
  • A subsidiary of a global financial institution on its exclusive negotiations with Neuflize OBC to form strategic partnership in life insurance in France.
  • A multinational financial institution on the formation of its joint venture with AllianceBernstein (France, US, UK). 
  • A multinational financial institution in connection with various acquisitions and divestments around the world including: 
    - in Poland, the sale of Euro Bank to Bank Millennium. 
    - in the United Kingdom, the acquisition of BHF Kleinwort Benson. 
    - in Germany, the acquisition of Gefa Bank and ALD. 
    - in Greece, (i) the acquisition of General Bank of Greece and (ii) the sale of Geniki Bank to Piraeus Bank. 
    - in Morocco, the restructuring of Eqdom. 
    - in Norway, (i) the acquisition of Elcon Finans AS and (ii) the sale of SG Finance to Nordea. 
    - in France, the sale of ECS to Econocom. 
    - in Brazil, (i) the acquisition of Banco Pecunia and (ii) the sale of the assets of Banco Pecunia and Banco Cacique. 
  • M&A Deal of the Year – American Lawyer 2015 – Algerian Fonds National d’Investissement (FNI) in its acquisition of a 51% stake in Orascom Telecom Algérie (Djezzy).
  • Banco Comercial Português in connection with the sale of Millenium Bank to Piraeus Bank. 
  • Nokia in its acquisition of Withings and in the sale of its Digital Health business. 
  • M&A Deal of the Year – IFLR Europe Awards 2019 - A multinational pharmaceutical corporation on its $3.9 billion acquisition of Nasdaq-listed Advanced Accelerator Applications. 
  • Vivendi in the acquisition of a 60% stake in Havas. 
  • Florac (a French private equity fund) in connection with various private equity transactions, including: 
    - its investment in Dentius group. 
    - its joint acquisition with L Capital of Groupe SMCP and the subsequent sale of Groupe SMCP to KKR. 
    - its acquisition and sale of BricoPrivé. 
    - its acquisition of a stake in the TCR Group from Chequers Capital (Belgium). 
    - its investment in Salto (Spain). 
    - its investment in DocCity. 
    - its investment in the Sani and Ikos resorts alongside a global asset management firm (Greece and Spain). 
    - its investment in Experienced Capital. 
    - its investment in Les Domaines de Fontenille. 
    - its investment in GrandiStazioni (Italy). 
    - its investment in Fusalp. 
    - its investment in Spinecap. 
    - its investment in Padi (US), and 
    - its investment in Samson & Surrey (US). 
  • ICG in connection with its investment in Exail Technologies. 
  • Siparex (a French private equity fund) in connection with the following private equity transactions: 
    - its acquisition of NG Travel, and 
    - its investment in Batibig Group. 
  • Edenred in connection with the sale of its ""cleanway"" payment business to 5àSec.
  • ExxonMobil in connection with (i) the sale of its Fos-sur-Mer refinery to Rhône Energies and (ii) the sale of Esso to North Atlantic.
     

Recognition

“Guillaume has world-class technical expertise in FIG M&A and is extremely helpful and level-headed in all negotiations, with an outstanding ability to anticipate painful discussions.”
Chambers France 2025 (Corporate/M&A: High-end capability)
“Guillaume Isautier is very smart in how he approaches negotiations. He is not looking for conflict; rather, he looks to find solutions. He knows how to handle complexity and adversity, as well as how to adapt to make the deal work.”
Band 4 - Chambers Global 2024 (Corporate/M&A: High-end capability)

Qualifications

Admissions

Paris Bar, 2000

Academic

Post Graduate Degree, International Commercial Law, University Paris X Nanterre, 1998

LL.M, Taxation, Golden Gate University, San Francisco, 1997

Disclaimer
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.