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Hubert Segain

Hubert Segain


Hubert is the head of Corporate, Paris.



He advises clients on domestic and cross border mergers & acquisitions, capital markets, stock exchange regulations, corporate governance and group reorganisations. Hubert works with both French and international clients, with a focus on industrial groups, financial institutions and investment funds. He works for listed companies as well as for private ones, for the private sector as well as for the public sector. He regularly collaborates with regulatory bodies (such as the AMF) and other professional organizations on matters affecting corporate and financial regulations and has published more than thirty papers on these topics. Chambers Europe/Chambers Global, The Legal 500, IFLR1000, Who's Who Legal, Best Lawyers, Acritas and Corporate Law Experts list him as a leading lawyer. He is also the exclusive winner of the Lexology Client Choice Awards 2019 for M&A in France.

He currently acts as Head of Corporate and served as Managing Partner of the Paris office for four years.

Hubert’s recent experience includes advising:

  • April, a French insurer listed on Euronext Paris, on the acquisition by British fund CVC Capital Partners of the majority stake of its share capital to be followed by a mandatory takeover offer
  • ERAMET (French listed miner) on its non-solicited takeover bid to acquire 100% of the share capital of Australian listed company Mineral Deposits Limited 
  • E Ink (a Taiwanese listed company specialised in the Electronic Shelf Labels and Retail Signage Displays activity) on its investment in the French listed company SES-imagotag through the subscription by E Ink's wholly-owned Taiwanese subsidiary to a reserved share capital increase of SES-imagotag
  • CMA-CGM affiliate (Terminal Link), an international container terminal operator, as member of a consortium with German and Russian investors, on the acquisition from the Greek State of a controlling (67%) stake in Thessaloniki Port Authority, the company operating the port of Thessaloniki and listed on the Athens stock exchange (2017-2018)
  • Futuren, an independent producer of electricity from onshore wind energy, on the succesful public tender offer initiated by EDF Energies Nouvelles
  • UBS (France) on
    • (i) its acquisition of 100% of Banque Leonardo, an independent French bank focused on wealth management and investment banking, which was at the helm of a regulated group including wholly-owned asset management and insurance subsidiaries, from Banca Leonardo,
    • (ii) a large-scale reorganisation of the UBS group in France, involving one holding company and six regulated companies operating in the banking, asset management, insurance and real estate sectors, and which included numerous operations on the share capital, two intragroup share transfers, two simplified mergers including one between two banks, a sideways merger between a bank and an asset management company under the full merger regime and the contribution by the bank of the asset management business under the full spin-off regime and
    • (iii) the creation of an asset management joint-venture, which manages approximately 4.5 billion euros worth of assets, through a combined share sale and increase of capital, with La Maison, a prestigious investors' club launched in 2014 by Michel Cicurel and Marc Lévy. 
  • CBRE Holding on its acquisition of the entire share capital of Convergences Immobilières et Commerciales and its subsidiary Convergences Gestion 
  • Shaanxi Ligeance Mineral Resources (Chinese aerospace and mining company) on its acquisition of Gardner Aerospace (aerospace parts manufacturer), in particular in relation to receiving the approval by the French Ministry for the Economy and Finance 
  • Caisse des Dépôts et Consignations, Solvay Participations Belgique, and Marubeni Europe plc on setting up a joint venture for the holding, financing and operation of European cogeneration plants operated at Solvay industrial sites, including an initial portfolio of four SPVs operating in France and Italy - European Power deal of the Year Award, IJGLobal Award 2016
  • Maurel & Prom (France-based oil extraction and production company) on the successful public tender offer launched by Pertamina (Indonesian state energy firm)
  • Kohlberg Kravis Roberts & Co (KKR) on the French aspects of the acquisition by Lonza Group AG (Swiss chemistry group) of the leading biopharmaceutical company Capsugel S.A. for an amount of USD 5.5 billion 
  • Euler Hermes on its collaboration with Moody's to launch credit ratings services for European SMEs
  • Danone on the acquisition of Michel et Augustin
  • Publicis Groupe on the structuring of its venture capital programme to invest in 90 start-ups in twelve months through convertible bonds
  • Maurel & Prom on its merger with MPI, both companies being listed on Euronext in Paris
  • Danone on its acquisition, in partnership with the Abraaj Group, of Fan Milk International, a leading manufacturer and distributor of frozen dairy products and juices operating in West Africa
  • The shareholders (Virgin, Carphone Warehouse and Financom) on the sale of 100% of Virgin Mobile France to Numericable
  • Farallon Capital Management on the €1.25 billion acquisition by Powerhouse France of Financière SELEC, a company owning a portfolio of approximately 7,600 individual residential properties, from funds managed by LBO France and RREEF
  • Air France KLM on its partnership with Senegal Handling Services in relation to the handling of airplane maintenance services at the Dakar airport through the acquisition of 49% of SHS Technics
  • Theolia on the takeover offer launched by Macquarie European Infrastructure Fund 4
  • BNP Paribas on the acquisition of Fédéris Epargne Salariale
  • BNP Paribas on the sale of Cortal Consors Select to Groupe Primonial 

Hubert’s recent experience in Equity capital markets includes advising: 

  • BNP Paribas on the setting up of a contingent equity line for SCOR for € 200 million
  • Euler Hermes Group, on the buyback of approximatively 4.9% of its own shares under the private share placement to institutional investors via an accelerated bookbuilt offer launched by Allianz Vie of an 8.6% stake
  • Safran SA on the issuance of bonds convertible into new shares and/or exchangeable for existing shares (OCEANEs) for a nominal amount of approximately € 650 million
  • BNP Paribas on the setting up of a contingent equity line for COFACE for € 100 million
  • XPO Logistics on the delisting of its shares from Euronext London
  • Theolia on its € 60 million capital increase by issuance of shares with subscription warrants attached (ABSA)
  • Maurel & Prom on (i) the issue of net share settled bonds convertible into new shares and/or exchangeable for existing shares (ORNANE) for a nominal amount of approximately €253 million (after exercise in full of the over-allotment option) and (ii) the repurchase of the bonds convertible into and/or exchangeable for new or existing shares (OCEANE), completed off-market as part of a reverse book building process and continued on the market under the same terms 

Hubert’s recent experience in Corporate governance includes advising several CAC 40 and SBF 120 companies in relation to their governance related matters such as compensation of executive officers and board members (remuneration and incentive plans), board of directors and committees (including board and committee composition and processes, board evaluation, succession and removal processes and policies and management and prevention of conflicts of interest), preparation of internal corporate governance codes of good conduct, registration documents, reports of the board, resolutions to be submitted to shareholders' meetings. Hubert also increasingly conducts corporate governance compliance audits of listed and non-listed companies or joint ventures.


Hubert's expertise is regularly highlighted by French, European and Global rankings, such as Chambers Europe/Chambers Global, The Legal 500, IFLR1000, Who's Who Legal, Best Lawyers, Acritas and Corporate Law Experts list him as a leading lawyer. He is also the exclusive winner of the Lexology Client Choice Awards 2019 for M&A in France.

  • Winner of the Client Choice Award for M&A in France granted by the Client Choice Awards 2019 and run by Lexology 
  • Nominated by Acritas Stars as a "Star Lawyer" - Acritas Stars 2019 
  • Recognised for Corporate/M&A for France by Chambers Europe 2009-2018 (High-End Capability)
  • Recognised for Corporate/M&A for France by Chambers Global 2012-2018 (High-End Capability)
  • Named as an Expert Lawyer for M&A in France by Expert Guides 2018 – Banking, Finance and Transactional Law
  • Recognised for Corporate Law in France by Best Lawyers 2018  
  • Recognised for Corporate/M&A: High-end Capability by Chambers Europe 2017 
  • Ranked as highly regarded in IFLR 1000 2018 (M&A, ECM, Private Equity)
  • Recognised by Who's Who Legal 2017 and 2018 among the world's leading M&A and Governance Lawyers
  • Recognised by Acritas Stars as a "Star Lawyer" - Acritas Stars Database and Report 2017
  • 'Hubert Segain has considerable experience advising French and international clients on merger, acquisition and joint venture operations. He is described as a "really smart guy and a pleasure to work with."' Chambers Global 2019
  • "Hubert has a vast knowledge of market intelligence and technical expertise." (Client Choice Awards 2019 (France, M&A))
  • "He is consist in the quality of legal service he provides." (Client Choice Awards 2019 (France, M&A))
  • "He is very effective and proactive; he is extremely professional and highly competent." (Client Choice Awards 2019 (France, M&A))
  • "Hubert is client focused; he has excellent knowledge of our needs and expectations." (Client Choice Awards 2019 (France, M&A))
  • "He identifies wider implications which is invaluable." (Client Choice Awards 2019 (France, M&A))
  • "Hubert gives realistic legal advice; we feel very comfortable working with him." Client Choice Awards 2019 (France, M&A))
  • "Hubert Segain is well known in the French corporate sphere for his first-rate work on international transactions" (Who's Who Legal, M&A, 2018)
  • "Hubert Segain continues to impress sources with his expert handling of a range of corporate governance matters for both domestic and international clients" (Who's Who Legal, Governance, 2018)
  • "According to clients, Hubert Segain is "very astute and good at moving a transaction forward," possessing particular expertise in international mandates. He also advises on regulatory and corporate governance aspects." (Chambers Global 2018)
  • Practice head Hubert Segain has ‘real business sense and is as good dealing with IP issues as antitrust or corporate matters’(Legal 500 EMEA 2017)
  • Paris corporate partner Hubert Segain has 'an acute business sense' and 'knows how to work with local counsel' (Legal 500 EMEA 2017 (Regional Summary: Africa)
  • “He is a go-to lawyer for any type of question related to a corporate transaction. He is an excellent lawyer, and Hubert has acute business sense and a very good knowledge of tax, HR and compliance issues. He managed to understand very well the needs and constraints we have in M&A transactions and to reflect it immediately in the draft agreements, without me having to ask for it. His anticipation of his clients’ needs is highly appreciated.” (Chambers Europe 2017)
  • 'Hubert Segain regularly handles mergers and acquisitions involving Africa'. ' He recently advised Danone on Danone Djurdjura Algérie's acquisition of some of Laiterie Trèfle's assets' (Chambers Global 2017)
  • "Further key contacts are Hubert Segain in Paris (…)" (Chambers Europe 2017)
  • 'Hubert Segain offers clients exceptional corporate expertise and is well known for his Africa-related experience' (Who's Who Legal, M&A and Governance 2017)
  • Practice head Hubert Segain is ‘a good negotiator, technically very capable, who plays a good mediating role in challenging circumstances’ (Legal 500 EMEA 2016)
  • He is described by clients as "a tier one lawyer" (Chambers Europe 2016
  • He is described by clients as "an exception on the Paris market because of his availability, flexibility and quality of advice" (Chambers Europe 2016)
  • Chambers Global 2015 reported that Hubert is appreciated by clients for his 'constructive approach' and 'good perception in M&A transactions', with a client mentioning that 'he's the kind of lawyer that any CEO would dream of working with; he has deep knowledge and expertise in his field while understanding strategic needs'. 
  • ‘Excellent technician’ and ‘fine negotiator’ Hubert Segain stands out for his ability to ‘find solutions' (Legal 500 EMEA 2015)




Hubert is a Member of the Paris and New York State bars and graduated in France (DEA droit privé at la Sorbonne and DEA droit des affaires at Assas) and in the US (Master of Laws at Yale Law School).

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